San Buenaventura (Smn) Weather Records (MXN00005050)

Record envelope, standing records and threshold days for San Buenaventura (Smn) (MXN00005050), Mexico, with 38 years of record.

Key Facts for San Buenaventura (Smn)

San Buenaventura (Smn) (MXN00005050) is a weather station in Mexico at 27.05 latitude and -101.53 longitude, 510 m (1,673 ft) above sea level.
The station reports from 1944 to 1981, 38 years of record.
1,464 records set at San Buenaventura (Smn) still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 27.05 latitude, -101.53 longitude.
Elevation: 510 m (1,673 ft).
Period of record: 1944 to 1981, 38 years.
Eligible elements: none yet.

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 San Buenaventura (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 San Buenaventura (Smn), 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)	-4.4 C (24.1 F)	n/a	n/a
Feb	37.8 C (100.0 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	40.0 C (104.0 F)	-5.0 C (23.0 F)	n/a	n/a
Apr	43.9 C (111.0 F)	0.6 C (33.1 F)	n/a	n/a
May	46.7 C (116.1 F)	8.9 C (48.0 F)	n/a	n/a
Jun	45.0 C (113.0 F)	10.6 C (51.1 F)	n/a	n/a
Jul	45.0 C (113.0 F)	16.7 C (62.1 F)	n/a	n/a
Aug	46.7 C (116.1 F)	16.1 C (61.0 F)	n/a	n/a
Sep	43.9 C (111.0 F)	7.8 C (46.0 F)	n/a	n/a
Oct	40.6 C (105.1 F)	3.9 C (39.0 F)	n/a	n/a
Nov	43.9 C (111.0 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	42.8 C (109.0 F)	-4.4 C (24.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Buenaventura (Smn) still stand. 1973 holds the most, with 121.

Standing records at San Buenaventura (Smn) by the year they were set
Year set	Standing records
1944	17
1945	37
1949	5
1951	88
1952	72
1953	96
1954	56
1955	67
1956	56
1957	63
1958	54
1959	54
1960	53
1961	39
1962	45
1963	41
1964	43
1965	55
1966	109
1967	103
1968	61
1969	10
1972	42
1973	121
1974	27
1975	22
1976	4
1981	24

Wettest Day of Each Month

Sep: 81.8 mm (3.2 in)

The wettest day on record for each calendar month at San Buenaventura (Smn). The most was 81.8 mm (3.2 in) on 23 September 1960.

Record daily precipitation for each month at San Buenaventura (Smn)
Month	Record daily precipitation (mm)	Date
Jan	51.8 mm (2.0 in)	31 January 1966
Feb	30.0 mm (1.2 in)	11 February 1960
Mar	25.9 mm (1.0 in)	3 March 1968
Apr	72.9 mm (2.9 in)	23 April 1981
May	47.5 mm (1.9 in)	17 May 1961
Jun	35.8 mm (1.4 in)	23 June 1973
Jul	35.8 mm (1.4 in)	13 July 1972
Aug	63.8 mm (2.5 in)	30 August 1968
Sep	81.8 mm (3.2 in)	23 September 1960
Oct	59.9 mm (2.4 in)	4 October 1973
Nov	24.9 mm (1.0 in)	8 November 1955
Dec	17.3 mm (0.7 in)	24 December 1974

Period of Record Coverage

1944 to 1981

28 years of record at San Buenaventura (Smn), 1944 to 1981. 13 years have data for under 90 percent of days and are left out of rankings: 1944, 1945, 1949, 1966, 1967, 1968, 1969, 1972 and others.

Days with data per year at San Buenaventura (Smn)
Year	Days with data	Share of year	Complete
1944	89	24%	No
1945	211	58%	No
1949	30	8%	No
1951	356	98%	Yes
1952	363	99%	Yes
1953	361	99%	Yes
1954	364	100%	Yes
1955	363	99%	Yes
1956	365	100%	Yes
1957	361	99%	Yes
1958	358	98%	Yes
1959	364	100%	Yes
1960	361	99%	Yes
1961	364	100%	Yes
1962	361	99%	Yes
1963	363	99%	Yes
1964	332	91%	Yes
1965	361	99%	Yes
1966	244	67%	No
1967	257	70%	No
1968	264	72%	No
1969	88	24%	No
1972	182	50%	No
1973	324	89%	No
1974	208	57%	No
1975	148	41%	No
1976	13	4%	No
1981	158	43%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

14 complete years, 1951 to 1965

One stripe for each of 14 complete years at San Buenaventura (Smn), 1951 to 1965. Blue stripes are years cooler than the station's own mean of 21.9 C (71.5 F); red stripes are warmer. The coolest year was 1958, at 21.1 C (69.9 F), and the warmest was 1954, at 22.5 C (72.5 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at San Buenaventura (Smn) as warming stripes, 1951 to 1965
Year	Annual mean temperature	Difference from the station mean
1951	22.2 C	+0.29 C
1952	21.7 C	-0.24 C
1953	22.5 C	+0.56 C
1954	22.5 C	+0.59 C
1955	21.9 C	-0.07 C
1956	22.1 C	+0.21 C
1957	22.1 C	+0.21 C
1958	21.1 C	-0.88 C
1959	21.3 C	-0.62 C
1960	21.7 C	-0.22 C
1961	21.8 C	-0.16 C
1962	22.5 C	+0.54 C
1963	22.3 C	+0.41 C
1965	21.4 C	-0.58 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

1944 to 1981

Yearly extremes at San Buenaventura (Smn): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.7 C (116.1 F)	1967	41.7 C (107.1 F)	28
Coldest night (TNn)	-5.0 C (23.0 F)	1965	0.0 C (32.0 F)	27
Wettest day (Rx1day)	81.8 mm (3.2 in)	1960	41.2 mm (1.6 in)	26
Wettest five days (Rx5day)	113.3 mm (4.5 in)	1967	59.6 mm (2.3 in)	26
Longest dry spell (CDD)	121 days	1953	60 days	26

Hottest day (TXx)

The hottest day of the year at San Buenaventura (Smn), 1944 to 1981. The record is 46.7 C (116.1 F) in 1967, marked on the chart; the median year is 41.7 C (107.1 F).

Hottest day (TXx) at San Buenaventura (Smn) by year
Year	Hottest day (TXx)
1944	32.8 C (91.0 F)
1945	42.8 C (109.0 F)
1949	30.6 C (87.1 F)
1951	42.8 C (109.0 F)
1952	41.7 C (107.1 F)
1953	43.9 C (111.0 F)
1954	41.7 C (107.1 F)
1955	41.7 C (107.1 F)
1956	41.7 C (107.1 F)
1957	45.0 C (113.0 F)
1958	40.6 C (105.1 F)
1959	41.7 C (107.1 F)
1960	43.9 C (111.0 F)
1961	40.6 C (105.1 F)
1962	43.9 C (111.0 F)
1963	41.7 C (107.1 F)
1964	43.9 C (111.0 F)
1965	40.6 C (105.1 F)
1966	45.6 C (114.1 F)
1967	46.7 C (116.1 F)
1968	45.0 C (113.0 F)
1969	35.6 C (96.1 F)
1972	37.8 C (100.0 F)
1973	37.8 C (100.0 F)
1974	41.7 C (107.1 F)
1975	40.0 C (104.0 F)
1976	35.0 C (95.0 F)
1981	40.0 C (104.0 F)

Coldest night (TNn)

The coldest night of the year at San Buenaventura (Smn), 1944 to 1981. The record is -5.0 C (23.0 F) in 1965, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at San Buenaventura (Smn) by year
Year	Coldest night (TNn)
1944	0.0 C (32.0 F)
1945	0.0 C (32.0 F)
1949	n/a
1951	0.0 C (32.0 F)
1952	0.0 C (32.0 F)
1953	-1.1 C (30.0 F)
1954	0.0 C (32.0 F)
1955	-4.4 C (24.1 F)
1956	-3.3 C (26.1 F)
1957	-4.4 C (24.1 F)
1958	-4.4 C (24.1 F)
1959	-3.3 C (26.1 F)
1960	-3.3 C (26.1 F)
1961	0.0 C (32.0 F)
1962	0.0 C (32.0 F)
1963	-3.3 C (26.1 F)
1964	-1.1 C (30.0 F)
1965	-5.0 C (23.0 F)
1966	0.0 C (32.0 F)
1967	0.0 C (32.0 F)
1968	-3.3 C (26.1 F)
1969	0.0 C (32.0 F)
1972	0.6 C (33.1 F)
1973	0.6 C (33.1 F)
1974	0.6 C (33.1 F)
1975	0.6 C (33.1 F)
1976	-2.2 C (28.0 F)
1981	-4.4 C (24.1 F)

Wettest day (Rx1day)

The wettest day of the year at San Buenaventura (Smn), 1944 to 1981. The record is 81.8 mm (3.2 in) in 1960, marked on the chart; the median year is 41.2 mm (1.6 in).

Wettest day (Rx1day) at San Buenaventura (Smn) by year
Year	Wettest day (Rx1day)
1944	29.0 mm (1.1 in)
1945	32.3 mm (1.3 in)
1949	n/a
1951	59.9 mm (2.4 in)
1952	29.5 mm (1.2 in)
1953	23.4 mm (0.9 in)
1954	22.4 mm (0.9 in)
1955	46.7 mm (1.8 in)
1956	24.9 mm (1.0 in)
1957	54.1 mm (2.1 in)
1958	53.3 mm (2.1 in)
1959	34.0 mm (1.3 in)
1960	81.8 mm (3.2 in)
1961	47.5 mm (1.9 in)
1962	40.4 mm (1.6 in)
1963	34.8 mm (1.4 in)
1964	23.9 mm (0.9 in)
1965	47.8 mm (1.9 in)
1966	55.9 mm (2.2 in)
1967	63.0 mm (2.5 in)
1968	63.8 mm (2.5 in)
1969	11.9 mm (0.5 in)
1972	35.8 mm (1.4 in)
1973	59.9 mm (2.4 in)
1974	41.9 mm (1.6 in)
1975	25.9 mm (1.0 in)
1976	n/a
1981	72.9 mm (2.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Buenaventura (Smn), 1944 to 1981. The record is 113.3 mm (4.5 in) in 1967, marked on the chart; the median year is 59.6 mm (2.3 in).

Wettest five days (Rx5day) at San Buenaventura (Smn) by year
Year	Wettest five days (Rx5day)
1944	55.4 mm (2.2 in)
1945	44.7 mm (1.8 in)
1949	n/a
1951	93.8 mm (3.7 in)
1952	40.0 mm (1.6 in)
1953	78.2 mm (3.1 in)
1954	40.5 mm (1.6 in)
1955	91.7 mm (3.6 in)
1956	32.1 mm (1.3 in)
1957	111.8 mm (4.4 in)
1958	81.2 mm (3.2 in)
1959	55.1 mm (2.2 in)
1960	81.8 mm (3.2 in)
1961	47.5 mm (1.9 in)
1962	40.4 mm (1.6 in)
1963	40.9 mm (1.6 in)
1964	36.9 mm (1.5 in)
1965	91.5 mm (3.6 in)
1966	73.7 mm (2.9 in)
1967	113.3 mm (4.5 in)
1968	63.8 mm (2.5 in)
1969	19.5 mm (0.8 in)
1972	72.3 mm (2.8 in)
1973	84.1 mm (3.3 in)
1974	45.7 mm (1.8 in)
1975	25.9 mm (1.0 in)
1976	n/a
1981	79.8 mm (3.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Buenaventura (Smn), 1944 to 1981. The record is 121 days in 1953, marked on the chart; the median year is 60 days.

Longest dry spell (CDD) at San Buenaventura (Smn) by year
Year	Longest dry spell (CDD)
1944	22 days
1945	76 days
1949	n/a
1951	58 days
1952	64 days
1953	121 days
1954	63 days
1955	85 days
1956	115 days
1957	52 days
1958	32 days
1959	41 days
1960	49 days
1961	68 days
1962	98 days
1963	47 days
1964	77 days
1965	49 days
1966	44 days
1967	65 days
1968	43 days
1969	41 days
1972	64 days
1973	78 days
1974	61 days
1975	39 days
1976	n/a
1981	31 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 San Buenaventura (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Buenaventura (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 2025-12-31. Last revised 31 December 2025 (2025-12-31).