La Huacana Weather Records (MXN00016062)

Record envelope, standing records and threshold days for La Huacana (MXN00016062), Mexico, with 33 years of record.

Key Facts for La Huacana

La Huacana (MXN00016062) is a weather station in Mexico at 18.95 latitude and -101.80 longitude, 651 m (2,135 ft) above sea level.
The station reports from 1938 to 1970, 33 years of record.
1,464 records set at La Huacana still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
La Huacana set a daily record high maximum temperature of 38.9 C (102.0 F) on 25 November 1970.

About the Station

Location: Mexico, 18.95 latitude, -101.80 longitude.
Elevation: 651 m (2,135 ft).
Period of record: 1938 to 1970, 33 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at La Huacana. 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 La Huacana, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	40.0 C (104.0 F)	8.9 C (48.0 F)	n/a	n/a
Feb	41.7 C (107.1 F)	10.0 C (50.0 F)	n/a	n/a
Mar	40.6 C (105.1 F)	10.6 C (51.1 F)	n/a	n/a
Apr	46.1 C (115.0 F)	10.0 C (50.0 F)	n/a	n/a
May	45.6 C (114.1 F)	12.2 C (54.0 F)	n/a	n/a
Jun	41.7 C (107.1 F)	15.0 C (59.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	13.9 C (57.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	13.9 C (57.0 F)	n/a	n/a
Sep	40.0 C (104.0 F)	16.7 C (62.1 F)	n/a	n/a
Oct	40.6 C (105.1 F)	12.8 C (55.0 F)	n/a	n/a
Nov	41.1 C (106.0 F)	8.9 C (48.0 F)	n/a	n/a
Dec	40.0 C (104.0 F)	7.8 C (46.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at La Huacana still stand. 1967 holds the most, with 116.

Standing records at La Huacana by the year they were set
Year set	Standing records
1938	21
1939	49
1940	64
1941	48
1942	44
1943	50
1944	33
1945	25
1946	29
1947	36
1948	39
1949	31
1950	27
1951	43
1952	87
1953	85
1954	51
1955	25
1956	53
1957	33
1958	37
1959	30
1960	34
1961	27
1962	78
1963	24
1964	21
1965	38
1966	27
1967	116
1968	35
1969	52
1970	72

Wettest Day of Each Month

Sep: 169.9 mm (6.7 in)

The wettest day on record for each calendar month at La Huacana. The most was 169.9 mm (6.7 in) on 19 September 1964.

Record daily precipitation for each month at La Huacana
Month	Record daily precipitation (mm)	Date
Jan	59.9 mm (2.4 in)	13 January 1946
Feb	26.9 mm (1.1 in)	5 February 1941
Mar	10.9 mm (0.4 in)	2 March 1966
Apr	10.9 mm (0.4 in)	12 April 1954
May	43.9 mm (1.7 in)	16 May 1956
Jun	84.3 mm (3.3 in)	23 June 1942
Jul	95.0 mm (3.7 in)	17 July 1948
Aug	91.9 mm (3.6 in)	30 August 1955
Sep	169.9 mm (6.7 in)	19 September 1964
Oct	104.4 mm (4.1 in)	3 October 1944
Nov	88.9 mm (3.5 in)	25 November 1938
Dec	25.7 mm (1.0 in)	17 December 1947

Period of Record Coverage

1938 to 1970

33 years of record at La Huacana, 1938 to 1970. 5 years have data for under 90 percent of days and are left out of rankings: 1938, 1966, 1968, 1969, 1970.

Days with data per year at La Huacana
Year	Days with data	Share of year	Complete
1938	61	17%	No
1939	364	100%	Yes
1940	366	100%	Yes
1941	364	100%	Yes
1942	365	100%	Yes
1943	364	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	362	99%	Yes
1947	364	100%	Yes
1948	365	100%	Yes
1949	335	92%	Yes
1950	364	100%	Yes
1951	361	99%	Yes
1952	365	100%	Yes
1953	365	100%	Yes
1954	337	92%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	361	99%	Yes
1959	364	100%	Yes
1960	366	100%	Yes
1961	364	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	273	75%	No
1967	363	99%	Yes
1968	305	83%	No
1969	270	74%	No
1970	276	76%	No

Latest Records

Latest records at La Huacana
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 November 1970	La Huacana, MX	daily high max	38.9 C (102.0 F)	0.6 C (1.1 F)	19 years	10 of 100 (Routine)
23 November 1970	La Huacana, MX	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	29 years	20 of 100 (Routine)
22 November 1970	La Huacana, MX	daily high max	38.9 C (102.0 F)	1.1 C (2.0 F)	16 years	12 of 100 (Routine)
21 November 1970	La Huacana, MX	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	16 years	17 of 100 (Routine)
20 November 1970	La Huacana, MX	daily high max	38.9 C (102.0 F)	1.1 C (2.0 F)	19 years	12 of 100 (Routine)
18 November 1970	La Huacana, MX	daily high max (Tie)	38.9 C (102.0 F)	tie	19 years	2 of 100 (Routine)
17 November 1970	La Huacana, MX	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	28 years	20 of 100 (Routine)
12 November 1970	La Huacana, MX	daily high max (Tie)	38.9 C (102.0 F)	tie	8 years	1 of 100 (Routine)
10 November 1970	La Huacana, MX	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	29 years	20 of 100 (Routine)
9 November 1970	La Huacana, MX	daily low min (Tie)	17.8 C (64.0 F)	tie	31 years	3 of 100 (Routine)
9 November 1970	La Huacana, MX	daily high max (Tie)	38.9 C (102.0 F)	tie	8 years	1 of 100 (Routine)
8 November 1970	La Huacana, MX	daily low min (Tie)	16.7 C (62.1 F)	tie	31 years	3 of 100 (Routine)
8 November 1970	La Huacana, MX	daily high max (Tie)	37.8 C (100.0 F)	tie	8 years	1 of 100 (Routine)
7 November 1970	La Huacana, MX	daily high max (Tie)	37.8 C (100.0 F)	tie	17 years	2 of 100 (Routine)
1 November 1970	La Huacana, MX	daily high max (Tie)	37.8 C (100.0 F)	tie	28 years	2 of 100 (Routine)
31 October 1970	La Huacana, MX	daily high min (Tie)	23.9 C (75.0 F)	tie	12 years	1 of 100 (Routine)
25 October 1970	La Huacana, MX	daily high min (Tie)	23.9 C (75.0 F)	tie	16 years	2 of 100 (Routine)
21 October 1970	La Huacana, MX	daily high min	25.0 C (77.0 F)	2.2 C (4.0 F)	21 years	21 of 100 (Routine)
20 October 1970	La Huacana, MX	daily high min (Tie)	23.9 C (75.0 F)	tie	8 years	1 of 100 (Routine)
19 October 1970	La Huacana, MX	daily high min (Tie)	23.9 C (75.0 F)	tie	23 years	2 of 100 (Routine)

Climate Trend

25 complete years, 1939 to 1967

One stripe for each of 25 complete years at La Huacana, 1939 to 1967. Blue stripes are years cooler than the station's own mean of 27.2 C (81.0 F); red stripes are warmer. The coolest year was 1956, at 26.5 C (79.7 F), and the warmest was 1953, at 27.9 C (82.2 F). The strongest colour marks a difference of 0.7 C (1.3 F).

Annual mean temperature at La Huacana as warming stripes, 1939 to 1967
Year	Annual mean temperature	Difference from the station mean
1939	26.6 C	-0.64 C
1940	27.2 C	-0.04 C
1941	27.3 C	+0.12 C
1942	27.4 C	+0.20 C
1943	26.8 C	-0.40 C
1944	26.6 C	-0.56 C
1945	27.5 C	+0.25 C
1946	27.4 C	+0.22 C
1947	27.6 C	+0.39 C
1948	27.8 C	+0.62 C
1950	27.1 C	-0.06 C
1951	27.5 C	+0.32 C
1952	27.5 C	+0.29 C
1953	27.9 C	+0.67 C
1956	26.5 C	-0.69 C
1957	27.4 C	+0.20 C
1958	27.2 C	-0.03 C
1959	27.3 C	+0.14 C
1960	27.1 C	-0.08 C
1961	27.0 C	-0.25 C
1962	27.6 C	+0.36 C
1963	26.9 C	-0.26 C
1964	26.6 C	-0.62 C
1965	27.5 C	+0.25 C
1967	26.9 C	-0.31 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1938 to 1970

Yearly extremes at La Huacana: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.1 C (115.0 F)	1952	40.6 C (105.1 F)	33
Coldest night (TNn)	7.8 C (46.0 F)	1939	11.7 C (53.1 F)	33
Wettest day (Rx1day)	169.9 mm (6.7 in)	1964	62.0 mm (2.4 in)	33
Wettest five days (Rx5day)	309.4 mm (12.2 in)	1970	115.5 mm (4.5 in)	33
Longest dry spell (CDD)	181 days	1969	87 days	33

Hottest day (TXx)

The hottest day of the year at La Huacana, 1938 to 1970. The record is 46.1 C (115.0 F) in 1952, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at La Huacana by year
Year	Hottest day (TXx)
1938	41.1 C (106.0 F)
1939	40.0 C (104.0 F)
1940	40.6 C (105.1 F)
1941	40.6 C (105.1 F)
1942	40.6 C (105.1 F)
1943	40.0 C (104.0 F)
1944	40.6 C (105.1 F)
1945	40.6 C (105.1 F)
1946	40.6 C (105.1 F)
1947	40.6 C (105.1 F)
1948	41.1 C (106.0 F)
1949	40.6 C (105.1 F)
1950	40.6 C (105.1 F)
1951	41.1 C (106.0 F)
1952	46.1 C (115.0 F)
1953	41.7 C (107.1 F)
1954	41.7 C (107.1 F)
1955	40.0 C (104.0 F)
1956	40.6 C (105.1 F)
1957	40.0 C (104.0 F)
1958	40.6 C (105.1 F)
1959	40.6 C (105.1 F)
1960	40.0 C (104.0 F)
1961	41.7 C (107.1 F)
1962	40.6 C (105.1 F)
1963	40.6 C (105.1 F)
1964	40.6 C (105.1 F)
1965	40.0 C (104.0 F)
1966	39.4 C (102.9 F)
1967	41.7 C (107.1 F)
1968	40.0 C (104.0 F)
1969	40.6 C (105.1 F)
1970	45.0 C (113.0 F)

Coldest night (TNn)

The coldest night of the year at La Huacana, 1938 to 1970. The record is 7.8 C (46.0 F) in 1939, marked on the chart; the median year is 11.7 C (53.1 F).

Coldest night (TNn) at La Huacana by year
Year	Coldest night (TNn)
1938	8.9 C (48.0 F)
1939	7.8 C (46.0 F)
1940	9.4 C (48.9 F)
1941	10.6 C (51.1 F)
1942	10.0 C (50.0 F)
1943	10.0 C (50.0 F)
1944	12.2 C (54.0 F)
1945	12.2 C (54.0 F)
1946	12.8 C (55.0 F)
1947	12.2 C (54.0 F)
1948	12.2 C (54.0 F)
1949	12.2 C (54.0 F)
1950	10.0 C (50.0 F)
1951	11.1 C (52.0 F)
1952	12.8 C (55.0 F)
1953	8.9 C (48.0 F)
1954	10.0 C (50.0 F)
1955	11.7 C (53.1 F)
1956	8.9 C (48.0 F)
1957	12.8 C (55.0 F)
1958	12.8 C (55.0 F)
1959	11.7 C (53.1 F)
1960	12.8 C (55.0 F)
1961	11.7 C (53.1 F)
1962	10.6 C (51.1 F)
1963	11.7 C (53.1 F)
1964	11.7 C (53.1 F)
1965	10.6 C (51.1 F)
1966	10.6 C (51.1 F)
1967	10.0 C (50.0 F)
1968	12.8 C (55.0 F)
1969	10.0 C (50.0 F)
1970	15.0 C (59.0 F)

Wettest day (Rx1day)

The wettest day of the year at La Huacana, 1938 to 1970. The record is 169.9 mm (6.7 in) in 1964, marked on the chart; the median year is 62.0 mm (2.4 in).

Wettest day (Rx1day) at La Huacana by year
Year	Wettest day (Rx1day)
1938	88.9 mm (3.5 in)
1939	66.8 mm (2.6 in)
1940	48.3 mm (1.9 in)
1941	41.4 mm (1.6 in)
1942	84.3 mm (3.3 in)
1943	102.1 mm (4.0 in)
1944	104.4 mm (4.1 in)
1945	43.9 mm (1.7 in)
1946	65.5 mm (2.6 in)
1947	76.7 mm (3.0 in)
1948	95.0 mm (3.7 in)
1949	49.3 mm (1.9 in)
1950	32.5 mm (1.3 in)
1951	80.8 mm (3.2 in)
1952	37.8 mm (1.5 in)
1953	29.5 mm (1.2 in)
1954	67.8 mm (2.7 in)
1955	91.9 mm (3.6 in)
1956	48.8 mm (1.9 in)
1957	29.0 mm (1.1 in)
1958	64.8 mm (2.6 in)
1959	30.0 mm (1.2 in)
1960	62.0 mm (2.4 in)
1961	90.9 mm (3.6 in)
1962	65.8 mm (2.6 in)
1963	59.9 mm (2.4 in)
1964	169.9 mm (6.7 in)
1965	45.0 mm (1.8 in)
1966	39.9 mm (1.6 in)
1967	39.9 mm (1.6 in)
1968	34.8 mm (1.4 in)
1969	59.9 mm (2.4 in)
1970	69.9 mm (2.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at La Huacana, 1938 to 1970. The record is 309.4 mm (12.2 in) in 1970, marked on the chart; the median year is 115.5 mm (4.5 in).

Wettest five days (Rx5day) at La Huacana by year
Year	Wettest five days (Rx5day)
1938	135.6 mm (5.3 in)
1939	124.5 mm (4.9 in)
1940	103.5 mm (4.1 in)
1941	99.1 mm (3.9 in)
1942	114.3 mm (4.5 in)
1943	142.2 mm (5.6 in)
1944	107.7 mm (4.2 in)
1945	125.9 mm (5.0 in)
1946	91.7 mm (3.6 in)
1947	98.8 mm (3.9 in)
1948	144.0 mm (5.7 in)
1949	106.7 mm (4.2 in)
1950	68.2 mm (2.7 in)
1951	110.8 mm (4.4 in)
1952	107.7 mm (4.2 in)
1953	51.9 mm (2.0 in)
1954	131.6 mm (5.2 in)
1955	156.5 mm (6.2 in)
1956	111.9 mm (4.4 in)
1957	38.3 mm (1.5 in)
1958	143.2 mm (5.6 in)
1959	88.7 mm (3.5 in)
1960	126.5 mm (5.0 in)
1961	201.1 mm (7.9 in)
1962	108.7 mm (4.3 in)
1963	141.4 mm (5.6 in)
1964	191.5 mm (7.5 in)
1965	125.5 mm (4.9 in)
1966	126.5 mm (5.0 in)
1967	115.5 mm (4.5 in)
1968	99.6 mm (3.9 in)
1969	139.8 mm (5.5 in)
1970	309.4 mm (12.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at La Huacana, 1938 to 1970. The record is 181 days in 1969, marked on the chart; the median year is 87 days.

Longest dry spell (CDD) at La Huacana by year
Year	Longest dry spell (CDD)
1938	35 days
1939	64 days
1940	59 days
1941	89 days
1942	119 days
1943	149 days
1944	77 days
1945	155 days
1946	87 days
1947	73 days
1948	72 days
1949	112 days
1950	30 days
1951	77 days
1952	145 days
1953	118 days
1954	101 days
1955	174 days
1956	89 days
1957	153 days
1958	30 days
1959	44 days
1960	148 days
1961	48 days
1962	60 days
1963	30 days
1964	113 days
1965	49 days
1966	51 days
1967	77 days
1968	121 days
1969	181 days
1970	107 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.

Download the Data

Data for La Huacana standing records by year: CSV or JSON. Field meanings are on the data page.
Data for La Huacana 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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