Built 2026-10-18 (18 October 2026)

Huajuapan de Leon (Smn) Weather Records (MXN00020035)

Record envelope, standing records and threshold days for Huajuapan de Leon (Smn) (MXN00020035), Mexico, with 51 years of record.

Key Facts for Huajuapan de Leon (Smn)

  • Huajuapan de Leon (Smn) (MXN00020035) is a weather station in Mexico at 17.80 latitude and -97.77 longitude, 1,600 m (5,249 ft) above sea level.
  • The station reports from 1923 to 1973, 51 years of record.
  • 1,464 records set at Huajuapan de Leon (Smn) still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Huajuapan de Leon (Smn) set a daily record high minimum temperature of 15.6 C (60.1 F) on 21 March 1973.

About the Station

  • Location: Mexico, 17.80 latitude, -97.77 longitude.
  • Elevation: 1,600 m (5,249 ft).
  • Period of record: 1923 to 1973, 51 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Huajuapan de Leon (Smn), with 2026 drawn through them The band shows the record high and record low for each calendar day at Huajuapan de Leon (Smn). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Huajuapan de Leon (Smn). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Huajuapan de Leon (Smn), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan35.6 C (96.1 F)-1.1 C (30.0 F)n/an/a
Feb37.8 C (100.0 F)-5.0 C (23.0 F)n/an/a
Mar38.9 C (102.0 F)0.6 C (33.1 F)n/an/a
Apr40.0 C (104.0 F)1.7 C (35.1 F)n/an/a
May41.7 C (107.1 F)3.9 C (39.0 F)n/an/a
Jun38.9 C (102.0 F)5.0 C (41.0 F)n/an/a
Jul36.7 C (98.1 F)8.9 C (48.0 F)n/an/a
Aug37.8 C (100.0 F)7.8 C (46.0 F)n/an/a
Sep37.8 C (100.0 F)1.7 C (35.1 F)n/an/a
Oct38.9 C (102.0 F)3.9 C (39.0 F)n/an/a
Nov38.9 C (102.0 F)0.0 C (32.0 F)n/an/a
Dec41.1 C (106.0 F)-2.2 C (28.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Huajuapan de Leon (Smn) by the year they were set 1,464 records at Huajuapan de Leon (Smn) still stand. 1923 holds the most, with 190. 0501001502001923: 1901924: 211925: 451926: 541927: 461928: 171929: 91930: 261931: 61932: 481933: 121934: 181935: 291936: 191937: 211938: 441939: 1091940: 151941: 51942: 491943: 381944: 111945: 211946: 231947: 81948: 61949: 61950: 81951: 61952: 151953: 431954: 661955: 161956: 431957: 111958: 71959: 31960: 101961: 181962: 651963: 141964: 131965: 201966: 181967: 201968: 271969: 891970: 441971: 61972: 51973: 1192319291935194119471953195919651971
1,464 records at Huajuapan de Leon (Smn) still stand. 1923 holds the most, with 190.
Standing records at Huajuapan de Leon (Smn) by the year they were set
Year setStanding records
1923190
192421
192545
192654
192746
192817
19299
193026
19316
193248
193312
193418
193529
193619
193721
193844
1939109
194015
19415
194249
194338
194411
194521
194623
19478
19486
19496
19508
19516
195215
195343
195466
195516
195643
195711
19587
19593
196010
196118
196265
196314
196413
196520
196618
196720
196827
196989
197044
19716
19725
19731

All-Time Record Progression

5 new records
When Huajuapan de Leon (Smn) set new all-time records 5 all-time records were set at Huajuapan de Leon (Smn) between 11 February 1962 and 11 January 1967. Each dot is a new record. Record low minimum temperatureRecord low maximum temperatureRecord daily precipitation11 February 1962: Record low minimum temperature -5.0 C (23.0 F)22 January 1965: Record low maximum temperature 13.9 C (57.0 F)3 August 1965: Record daily precipitation 119.9 mm (4.7 in)3 July 1966: Record daily precipitation 261.9 mm (10.3 in)11 January 1967: Record low maximum temperature 11.7 C (53.1 F)1965
5 all-time records were set at Huajuapan de Leon (Smn) between 11 February 1962 and 11 January 1967. Each dot is a new record.
When Huajuapan de Leon (Smn) set new all-time records
DateKindDetail
1962-02-11Record low minimum temperatureRecord low minimum temperature -5.0 C (23.0 F)
1965-01-22Record low maximum temperatureRecord low maximum temperature 13.9 C (57.0 F)
1965-08-03Record daily precipitationRecord daily precipitation 119.9 mm (4.7 in)
1966-07-03Record daily precipitationRecord daily precipitation 261.9 mm (10.3 in)
1967-01-11Record low maximum temperatureRecord low maximum temperature 11.7 C (53.1 F)

Wettest Day of Each Month

Jul: 261.9 mm (10.3 in)
Record daily precipitation for each month at Huajuapan de Leon (Smn) The wettest day on record for each calendar month at Huajuapan de Leon (Smn). The most was 261.9 mm (10.3 in) on 3 July 1966. 0100200300 Jan: 35.8 mm (1.4 in), 19 January 1958 Jan Feb: 15.5 mm (0.6 in), 10 February 1925 Feb Mar: 18.5 mm (0.7 in), 3 March 1938 Mar Apr: 69.9 mm (2.8 in), 10 April 1967 Apr May: 91.2 mm (3.6 in), 13 May 1925 May Jun: 84.8 mm (3.3 in), 15 June 1954 Jun Jul: 261.9 mm (10.3 in), 3 July 1966 Jul Aug: 119.9 mm (4.7 in), 3 August 1965 Aug Sep: 71.9 mm (2.8 in), 27 September 1966 Sep Oct: 55.9 mm (2.2 in), 18 October 1966 Oct Nov: 39.9 mm (1.6 in), 10 November 1946 Nov Dec: 35.6 mm (1.4 in), 7 December 1925 Dec
The wettest day on record for each calendar month at Huajuapan de Leon (Smn). The most was 261.9 mm (10.3 in) on 3 July 1966.
Record daily precipitation for each month at Huajuapan de Leon (Smn)
MonthRecord daily precipitation (mm)Date
Jan35.8 mm (1.4 in)19 January 1958
Feb15.5 mm (0.6 in)10 February 1925
Mar18.5 mm (0.7 in)3 March 1938
Apr69.9 mm (2.8 in)10 April 1967
May91.2 mm (3.6 in)13 May 1925
Jun84.8 mm (3.3 in)15 June 1954
Jul261.9 mm (10.3 in)3 July 1966
Aug119.9 mm (4.7 in)3 August 1965
Sep71.9 mm (2.8 in)27 September 1966
Oct55.9 mm (2.2 in)18 October 1966
Nov39.9 mm (1.6 in)10 November 1946
Dec35.6 mm (1.4 in)7 December 1925

Period of Record Coverage

1923 to 1973
Days with data per year at Huajuapan de Leon (Smn) 51 years of record at Huajuapan de Leon (Smn), 1923 to 1973. 7 years have data for under 90 percent of days and are left out of rankings: 1931, 1932, 1941, 1952, 1971, 1972, 1973. 1923: 349 of 365 days1924: 365 of 366 days1925: 361 of 365 days1926: 362 of 365 days1927: 364 of 365 days1928: 361 of 366 days1929: 363 of 365 days1930: 340 of 365 days1931: 241 of 365 days1932: 308 of 366 days1933: 354 of 365 days1934: 340 of 365 days1935: 353 of 365 days1936: 361 of 366 days1937: 361 of 365 days1938: 358 of 365 days1939: 361 of 365 days1940: 350 of 366 days1941: 178 of 365 days1942: 357 of 365 days1943: 352 of 365 days1944: 351 of 366 days1945: 348 of 365 days1946: 364 of 365 days1947: 361 of 365 days1948: 366 of 366 days1949: 365 of 365 days1950: 365 of 365 days1951: 362 of 365 days1952: 107 of 366 days1953: 365 of 365 days1954: 365 of 365 days1955: 365 of 365 days1956: 366 of 366 days1957: 364 of 365 days1958: 364 of 365 days1959: 365 of 365 days1960: 366 of 366 days1961: 362 of 365 days1962: 364 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 364 of 366 days1969: 347 of 365 days1970: 356 of 365 days1971: 259 of 365 days1972: 271 of 366 days1973: 89 of 365 days19301940195019601970
51 years of record at Huajuapan de Leon (Smn), 1923 to 1973. 7 years have data for under 90 percent of days and are left out of rankings: 1931, 1932, 1941, 1952, 1971, 1972, 1973.
Days with data per year at Huajuapan de Leon (Smn)
YearDays with dataShare of yearComplete
192334996%Yes
1924365100%Yes
192536199%Yes
192636299%Yes
1927364100%Yes
192836199%Yes
192936399%Yes
193034093%Yes
193124166%No
193230884%No
193335497%Yes
193434093%Yes
193535397%Yes
193636199%Yes
193736199%Yes
193835898%Yes
193936199%Yes
194035096%Yes
194117849%No
194235798%Yes
194335296%Yes
194435196%Yes
194534895%Yes
1946364100%Yes
194736199%Yes
1948366100%Yes
1949365100%Yes
1950365100%Yes
195136299%Yes
195210729%No
1953365100%Yes
1954365100%Yes
1955365100%Yes
1956366100%Yes
1957364100%Yes
1958364100%Yes
1959365100%Yes
1960366100%Yes
196136299%Yes
1962364100%Yes
1963365100%Yes
1964366100%Yes
1965365100%Yes
1966365100%Yes
1967365100%Yes
196836499%Yes
196934795%Yes
197035698%Yes
197125971%No
197227174%No
19738924%No

Latest Records

20
Latest records at Huajuapan de Leon (Smn)
DateStationRecordValueBeat old record byOld record stoodSignificance
21 March 1973Huajuapan de Leon (Smn), MXdaily high min15.6 C (60.1 F)0.6 C (1.1 F)47 years21 of 100 (Routine)
27 February 1973Huajuapan de Leon (Smn), MXdaily rain0.3 mm (0.01 in)0.3 mm (0.01 in)50 years20 of 100 (Routine)
27 February 1973Huajuapan de Leon (Smn), MXdaily high min (Tie)13.9 C (57.0 F)tie47 years4 of 100 (Routine)
21 January 1973Huajuapan de Leon (Smn), MXdaily high min (Tie)15.0 C (59.0 F)tie48 years4 of 100 (Routine)
30 December 1972Huajuapan de Leon (Smn), MXdaily low max21.7 C (71.1 F)1.1 C (2.0 F)47 years22 of 100 (Routine)
29 December 1972Huajuapan de Leon (Smn), MXdaily low max21.7 C (71.1 F)1.1 C (2.0 F)46 years21 of 100 (Routine)
17 December 1972Huajuapan de Leon (Smn), MXdaily low max18.9 C (66.0 F)1.7 C (3.1 F)6 years10 of 100 (Routine)
16 December 1972Huajuapan de Leon (Smn), MXdaily low max18.9 C (66.0 F)1.7 C (3.1 F)29 years17 of 100 (Routine)
19 November 1972Huajuapan de Leon (Smn), MXdaily rain24.9 mm (1.0 in)17.5 mm (0.7 in)34 years20 of 100 (Routine)
1 November 1972Huajuapan de Leon (Smn), MXdaily high min (Tie)15.6 C (60.1 F)tie46 years4 of 100 (Routine)
6 October 1972Huajuapan de Leon (Smn), MXdaily low min (Tie)8.9 C (48.0 F)tie9 years1 of 100 (Routine)
22 August 1972Huajuapan de Leon (Smn), MXdaily low min (Tie)10.6 C (51.1 F)tie42 years4 of 100 (Routine)
19 July 1972Huajuapan de Leon (Smn), MXdaily rain38.9 mm (1.5 in)22.1 mm (0.9 in)24 years26 of 100 (Routine)
17 June 1972Huajuapan de Leon (Smn), MXdaily rain41.9 mm (1.6 in)0.5 mm (0.02 in)46 years18 of 100 (Routine)
13 June 1972Huajuapan de Leon (Smn), MXdaily low max21.7 C (71.1 F)1.1 C (2.0 F)29 years16 of 100 (Routine)
7 June 1972Huajuapan de Leon (Smn), MXdaily rain64.8 mm (2.6 in)43.0 mm (1.7 in)9 years42 of 100 (Notable)
6 June 1972Huajuapan de Leon (Smn), MXdaily rain34.8 mm (1.4 in)4.3 mm (0.17 in)43 years20 of 100 (Routine)
14 April 1972Huajuapan de Leon (Smn), MXdaily rain9.7 mm (0.38 in)3.9 mm (0.15 in)38 years20 of 100 (Routine)
15 December 1971Huajuapan de Leon (Smn), MXdaily low max20.6 C (69.1 F)1.1 C (2.0 F)28 years15 of 100 (Routine)
9 December 1971Huajuapan de Leon (Smn), MXdaily high min (Tie)11.7 C (53.1 F)tie48 years4 of 100 (Routine)

Climate Trend

44 complete years, 1923 to 1970
Annual mean temperature at Huajuapan de Leon (Smn) as warming stripes, 1923 to 1970 One stripe for each of 44 complete years at Huajuapan de Leon (Smn), 1923 to 1970. Blue stripes are years cooler than the station's own mean of 20.0 C (68.1 F); red stripes are warmer. The coolest year was 1967, at 18.0 C (64.4 F), and the warmest was 1939, at 23.0 C (73.3 F). The strongest colour marks a difference of 3.0 C (5.4 F). 1923: 22.4 C, +2.3 C from the station mean1924: 21.5 C, +1.5 C from the station mean1925: 21.7 C, +1.6 C from the station mean1926: 21.2 C, +1.1 C from the station mean1927: 21.1 C, +1.1 C from the station mean1928: 19.9 C, -0.1 C from the station mean1929: 20.0 C, -0.1 C from the station mean1930: 19.7 C, -0.4 C from the station mean1933: 20.1 C, 0.0 C from the station mean1934: 19.5 C, -0.6 C from the station mean1935: 19.2 C, -0.9 C from the station mean1936: 19.5 C, -0.5 C from the station mean1937: 21.5 C, +1.4 C from the station mean1938: 22.3 C, +2.2 C from the station mean1939: 23.0 C, +2.9 C from the station mean1940: 20.5 C, +0.5 C from the station mean1942: 19.1 C, -1.0 C from the station mean1943: 18.6 C, -1.4 C from the station mean1944: 20.9 C, +0.8 C from the station mean1945: 21.4 C, +1.3 C from the station mean1946: 20.7 C, +0.6 C from the station mean1947: 20.9 C, +0.9 C from the station mean1948: 21.0 C, +0.9 C from the station mean1949: 19.7 C, -0.3 C from the station mean1950: 19.5 C, -0.6 C from the station mean1951: 20.5 C, +0.5 C from the station mean1953: 19.6 C, -0.5 C from the station mean1954: 22.0 C, +1.9 C from the station mean1955: 19.3 C, -0.8 C from the station mean1956: 19.0 C, -1.0 C from the station mean1957: 19.7 C, -0.3 C from the station mean1958: 20.0 C, 0.0 C from the station mean1959: 19.7 C, -0.4 C from the station mean1960: 19.3 C, -0.8 C from the station mean1961: 18.4 C, -1.6 C from the station mean1962: 20.4 C, +0.3 C from the station mean1963: 18.7 C, -1.4 C from the station mean1964: 18.8 C, -1.3 C from the station mean1965: 18.4 C, -1.6 C from the station mean1966: 18.1 C, -2.0 C from the station mean1967: 18.0 C, -2.1 C from the station mean1968: 18.2 C, -1.8 C from the station mean1969: 20.8 C, +0.8 C from the station mean1970: 18.5 C, -1.5 C from the station mean1923193019351940194519501955196019651970
One stripe for each of 44 complete years at Huajuapan de Leon (Smn), 1923 to 1970. Blue stripes are years cooler than the station's own mean of 20.0 C (68.1 F); red stripes are warmer. The coolest year was 1967, at 18.0 C (64.4 F), and the warmest was 1939, at 23.0 C (73.3 F). The strongest colour marks a difference of 3.0 C (5.4 F).
Annual mean temperature at Huajuapan de Leon (Smn) as warming stripes, 1923 to 1970
YearAnnual mean temperatureDifference from the station mean
192322.4 C+2.31 C
192421.5 C+1.45 C
192521.7 C+1.63 C
192621.2 C+1.12 C
192721.1 C+1.09 C
192819.9 C-0.14 C
192920.0 C-0.06 C
193019.7 C-0.36 C
193320.1 C+0.03 C
193419.5 C-0.56 C
193519.2 C-0.88 C
193619.5 C-0.54 C
193721.5 C+1.41 C
193822.3 C+2.22 C
193923.0 C+2.92 C
194020.5 C+0.47 C
194219.1 C-0.97 C
194318.6 C-1.41 C
194420.9 C+0.81 C
194521.4 C+1.34 C
194620.7 C+0.61 C
194720.9 C+0.86 C
194821.0 C+0.91 C
194919.7 C-0.35 C
195019.5 C-0.57 C
195120.5 C+0.49 C
195319.6 C-0.46 C
195422.0 C+1.92 C
195519.3 C-0.80 C
195619.0 C-1.01 C
195719.7 C-0.31 C
195820.0 C-0.02 C
195919.7 C-0.39 C
196019.3 C-0.79 C
196118.4 C-1.64 C
196220.4 C+0.31 C
196318.7 C-1.39 C
196418.8 C-1.26 C
196518.4 C-1.62 C
196618.1 C-1.96 C
196718.0 C-2.06 C
196818.2 C-1.81 C
196920.8 C+0.76 C
197018.5 C-1.51 C

The annual mean temperature here has fallen by 0.5 C (0.3 to 0.7) per decade over 1923 to 1970. In Fahrenheit: 0.9 F (0.5 to 1.3) per decade. The slope is a straight line fitted to 44 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Huajuapan de Leon (Smn)
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature-0.5 C (-0.7 to -0.3) per decade-0.9 F (-1.3 to -0.5) per decade1923 to 197044Fall
Mean daily maximum-0.1 C (-0.5 to 0.3) per decade-0.2 F (-0.9 to 0.6) per decade1923 to 197044Not clearly different from zero
Mean daily minimum-0.9 C (-1.1 to -0.7) per decade-1.6 F (-2.0 to -1.2) per decade1923 to 197044Fall

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1923 to 1973
Yearly extremes at Huajuapan de Leon (Smn): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)192435.6 C (96.1 F)51
Coldest night (TNn)-5.0 C (23.0 F)19620.6 C (33.1 F)51
Wettest day (Rx1day)261.9 mm (10.3 in)196649.8 mm (2.0 in)51
Wettest five days (Rx5day)336.6 mm (13.3 in)196699.7 mm (3.9 in)51
Longest dry spell (CDD)153 days195567 days51

Hottest day (TXx)

Hottest day (TXx) at Huajuapan de Leon (Smn) by year The hottest day of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 41.7 C (107.1 F) in 1924, marked on the chart; the median year is 35.6 C (96.1 F). 3032.53537.54042.519301940195019601970Record: 41.7 C (107.1 F) in 1924
The hottest day of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 41.7 C (107.1 F) in 1924, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Huajuapan de Leon (Smn) by year
YearHottest day (TXx)
192338.9 C (102.0 F)
192441.7 C (107.1 F)
192538.9 C (102.0 F)
192639.4 C (102.9 F)
192736.1 C (97.0 F)
192835.6 C (96.1 F)
192936.1 C (97.0 F)
193035.0 C (95.0 F)
193138.9 C (102.0 F)
193235.6 C (96.1 F)
193337.8 C (100.0 F)
193433.9 C (93.0 F)
193533.3 C (91.9 F)
193635.0 C (95.0 F)
193738.9 C (102.0 F)
193838.9 C (102.0 F)
193938.9 C (102.0 F)
194035.6 C (96.1 F)
194132.8 C (91.0 F)
194232.8 C (91.0 F)
194332.8 C (91.0 F)
194438.9 C (102.0 F)
194538.9 C (102.0 F)
194635.0 C (95.0 F)
194736.7 C (98.1 F)
194838.9 C (102.0 F)
194935.0 C (95.0 F)
195035.0 C (95.0 F)
195135.6 C (96.1 F)
195235.0 C (95.0 F)
195337.8 C (100.0 F)
195441.1 C (106.0 F)
195537.2 C (99.0 F)
195637.2 C (99.0 F)
195735.0 C (95.0 F)
195833.9 C (93.0 F)
195931.7 C (89.1 F)
196033.9 C (93.0 F)
196133.9 C (93.0 F)
196238.9 C (102.0 F)
196335.0 C (95.0 F)
196435.0 C (95.0 F)
196532.8 C (91.0 F)
196632.8 C (91.0 F)
196733.9 C (93.0 F)
196832.8 C (91.0 F)
196938.9 C (102.0 F)
197035.6 C (96.1 F)
197135.0 C (95.0 F)
197233.9 C (93.0 F)
197332.8 C (91.0 F)

Coldest night (TNn)

Coldest night (TNn) at Huajuapan de Leon (Smn) by year The coldest night of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is -5.0 C (23.0 F) in 1962, marked on the chart; the median year is 0.6 C (33.1 F). -5-2.502.5519301940195019601970Record: -5.0 C (23.0 F) in 1962
The coldest night of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is -5.0 C (23.0 F) in 1962, marked on the chart; the median year is 0.6 C (33.1 F).
Coldest night (TNn) at Huajuapan de Leon (Smn) by year
YearColdest night (TNn)
19233.3 C (37.9 F)
19243.3 C (37.9 F)
19251.1 C (34.0 F)
19260.6 C (33.1 F)
19273.3 C (37.9 F)
1928-2.2 C (28.0 F)
19291.7 C (35.1 F)
19301.1 C (34.0 F)
19311.7 C (35.1 F)
19321.7 C (35.1 F)
19330.6 C (33.1 F)
19343.9 C (39.0 F)
19351.7 C (35.1 F)
19363.9 C (39.0 F)
19374.4 C (39.9 F)
19380.6 C (33.1 F)
19395.0 C (41.0 F)
19400.0 C (32.0 F)
19412.8 C (37.0 F)
19421.7 C (35.1 F)
19430.6 C (33.1 F)
19441.7 C (35.1 F)
19450.6 C (33.1 F)
19461.7 C (35.1 F)
19475.0 C (41.0 F)
19482.8 C (37.0 F)
19490.6 C (33.1 F)
19500.6 C (33.1 F)
19511.7 C (35.1 F)
19520.0 C (32.0 F)
19530.0 C (32.0 F)
19540.6 C (33.1 F)
19550.6 C (33.1 F)
19560.0 C (32.0 F)
19570.0 C (32.0 F)
19580.0 C (32.0 F)
19590.0 C (32.0 F)
19600.0 C (32.0 F)
1961-1.1 C (30.0 F)
1962-5.0 C (23.0 F)
19630.0 C (32.0 F)
19642.8 C (37.0 F)
19650.6 C (33.1 F)
19660.0 C (32.0 F)
1967-1.1 C (30.0 F)
1968-2.2 C (28.0 F)
19690.0 C (32.0 F)
19700.0 C (32.0 F)
19715.0 C (41.0 F)
19723.9 C (39.0 F)
19732.8 C (37.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Huajuapan de Leon (Smn) by year The wettest day of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 261.9 mm (10.3 in) in 1966, marked on the chart; the median year is 49.8 mm (2.0 in). 010020030019301940195019601970Record: 261.9 mm (10.3 in) in 1966
The wettest day of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 261.9 mm (10.3 in) in 1966, marked on the chart; the median year is 49.8 mm (2.0 in).
Wettest day (Rx1day) at Huajuapan de Leon (Smn) by year
YearWettest day (Rx1day)
192337.3 mm (1.5 in)
192475.7 mm (3.0 in)
192591.2 mm (3.6 in)
192667.6 mm (2.7 in)
192744.5 mm (1.8 in)
192866.3 mm (2.6 in)
192961.0 mm (2.4 in)
193038.4 mm (1.5 in)
193133.3 mm (1.3 in)
193253.8 mm (2.1 in)
193351.1 mm (2.0 in)
193441.7 mm (1.6 in)
193539.9 mm (1.6 in)
193657.4 mm (2.3 in)
193745.0 mm (1.8 in)
193833.5 mm (1.3 in)
193948.0 mm (1.9 in)
194029.0 mm (1.1 in)
194157.9 mm (2.3 in)
194247.5 mm (1.9 in)
194350.8 mm (2.0 in)
194481.8 mm (3.2 in)
194562.0 mm (2.4 in)
194652.8 mm (2.1 in)
194763.0 mm (2.5 in)
194855.9 mm (2.2 in)
194932.8 mm (1.3 in)
195050.8 mm (2.0 in)
195159.9 mm (2.4 in)
195245.0 mm (1.8 in)
195338.9 mm (1.5 in)
195484.8 mm (3.3 in)
195545.0 mm (1.8 in)
195639.9 mm (1.6 in)
195741.9 mm (1.6 in)
195864.8 mm (2.6 in)
195935.8 mm (1.4 in)
196049.8 mm (2.0 in)
196127.9 mm (1.1 in)
196227.9 mm (1.1 in)
196349.8 mm (2.0 in)
196431.8 mm (1.3 in)
1965119.9 mm (4.7 in)
1966261.9 mm (10.3 in)
196769.9 mm (2.8 in)
196831.8 mm (1.3 in)
196950.8 mm (2.0 in)
197050.8 mm (2.0 in)
197147.8 mm (1.9 in)
197264.8 mm (2.6 in)
19730.3 mm (0.01 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Huajuapan de Leon (Smn) by year The wettest five days of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 336.6 mm (13.3 in) in 1966, marked on the chart; the median year is 99.7 mm (3.9 in). 010020030040019301940195019601970Record: 336.6 mm (13.3 in) in 1966
The wettest five days of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 336.6 mm (13.3 in) in 1966, marked on the chart; the median year is 99.7 mm (3.9 in).
Wettest five days (Rx5day) at Huajuapan de Leon (Smn) by year
YearWettest five days (Rx5day)
192359.7 mm (2.4 in)
1924134.6 mm (5.3 in)
1925197.9 mm (7.8 in)
1926132.9 mm (5.2 in)
192791.6 mm (3.6 in)
1928120.4 mm (4.7 in)
192971.9 mm (2.8 in)
193099.7 mm (3.9 in)
193163.8 mm (2.5 in)
193269.8 mm (2.7 in)
193391.2 mm (3.6 in)
193471.9 mm (2.8 in)
1935119.1 mm (4.7 in)
1936125.4 mm (4.9 in)
193774.5 mm (2.9 in)
193884.1 mm (3.3 in)
1939118.1 mm (4.6 in)
194055.4 mm (2.2 in)
1941100.2 mm (3.9 in)
1942101.1 mm (4.0 in)
194395.8 mm (3.8 in)
1944112.3 mm (4.4 in)
194591.5 mm (3.6 in)
1946115.5 mm (4.5 in)
1947161.3 mm (6.4 in)
1948152.4 mm (6.0 in)
194993.6 mm (3.7 in)
195085.4 mm (3.4 in)
1951104.7 mm (4.1 in)
195245.8 mm (1.8 in)
195382.2 mm (3.2 in)
1954109.2 mm (4.3 in)
195597.6 mm (3.8 in)
195656.9 mm (2.2 in)
1957101.3 mm (4.0 in)
1958126.1 mm (5.0 in)
1959121.5 mm (4.8 in)
1960100.3 mm (3.9 in)
196168.5 mm (2.7 in)
196284.5 mm (3.3 in)
196383.3 mm (3.3 in)
196449.3 mm (1.9 in)
1965251.5 mm (9.9 in)
1966336.6 mm (13.3 in)
1967132.4 mm (5.2 in)
196875.7 mm (3.0 in)
196990.2 mm (3.6 in)
1970147.4 mm (5.8 in)
1971103.4 mm (4.1 in)
1972137.4 mm (5.4 in)
19730.3 mm (0.01 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Huajuapan de Leon (Smn) by year The longest dry spell of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 153 days in 1955, marked on the chart; the median year is 67 days. 05010015020019301940195019601970Record: 153 days in 1955
The longest dry spell of the year at Huajuapan de Leon (Smn), 1923 to 1973. The record is 153 days in 1955, marked on the chart; the median year is 67 days.
Longest dry spell (CDD) at Huajuapan de Leon (Smn) by year
YearLongest dry spell (CDD)
192356 days
1924111 days
192537 days
192674 days
192784 days
192880 days
1929123 days
193063 days
193152 days
1932127 days
193375 days
193464 days
193576 days
193693 days
193762 days
193853 days
193992 days
1940125 days
194179 days
194248 days
1943118 days
1944107 days
1945126 days
194651 days
194755 days
194867 days
1949126 days
195069 days
1951121 days
195236 days
195358 days
195478 days
1955153 days
1956113 days
195743 days
195860 days
195956 days
196059 days
196147 days
1962121 days
196359 days
196452 days
196563 days
196667 days
196762 days
196868 days
196961 days
197059 days
197145 days
197235 days
197390 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

44 years, 1923 to 1970

A day with at least 48.0 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 194.2 mm (7.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Huajuapan de Leon (Smn): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years48.0 mm (1.9 in)
5 years68.7 mm (2.7 in)
10 years87.8 mm (3.5 in)
25 years120.5 mm (4.7 in)
50 years153.0 mm (6.0 in)Longer than the 44 years of record
100 years194.2 mm (7.6 in)Longer than the 44 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 44 years of values from 1923 to 1970.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 261.9 mm (10.3 in) in 1966; 119.9 mm (4.7 in) in 1965; 91.2 mm (3.6 in) in 1925.

Download the Data

  • Data for Huajuapan de Leon (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Huajuapan de Leon (Smn) threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).