Etzatlan (Smn) Weather Records (MXN00014063)

Record envelope, standing records and threshold days for Etzatlan (Smn) (MXN00014063), Mexico, with 65 years of record.

Key Facts for Etzatlan (Smn)

Etzatlan (Smn) (MXN00014063) is a weather station in Mexico at 20.77 latitude and -104.10 longitude, 1,380 m (4,527 ft) above sea level.
The station reports from 1948 to 2012, 65 years of record.
1,464 records set at Etzatlan (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, 20.77 latitude, -104.10 longitude.
Elevation: 1,380 m (4,527 ft).
Period of record: 1948 to 2012, 65 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 Etzatlan (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 Etzatlan (Smn), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.7 C (89.1 F)	1.7 C (35.1 F)	n/a	n/a
Feb	33.3 C (91.9 F)	-0.6 C (30.9 F)	n/a	n/a
Mar	35.0 C (95.0 F)	2.8 C (37.0 F)	n/a	n/a
Apr	37.8 C (100.0 F)	5.0 C (41.0 F)	n/a	n/a
May	43.3 C (109.9 F)	8.9 C (48.0 F)	n/a	n/a
Jun	38.9 C (102.0 F)	10.0 C (50.0 F)	n/a	n/a
Jul	38.3 C (100.9 F)	7.8 C (46.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	10.0 C (50.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	8.9 C (48.0 F)	n/a	n/a
Oct	37.8 C (100.0 F)	6.7 C (44.1 F)	n/a	n/a
Nov	33.3 C (91.9 F)	2.8 C (37.0 F)	n/a	n/a
Dec	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Etzatlan (Smn) still stand. 1948 holds the most, with 159.

Standing records at Etzatlan (Smn) by the year they were set
Year set	Standing records
1948	159
1949	136
1950	119
1951	46
1952	40
1953	39
1954	65
1955	89
1956	38
1957	61
1958	22
1959	47
1960	81
1961	66
1962	50
1963	45
1964	36
1968	18
1969	8
1980	5
1981	15
1982	18
1983	46
1984	85
1985	5
2011	124
2012	1

Wettest Day of Each Month

Aug: 96.3 mm (3.8 in)

The wettest day on record for each calendar month at Etzatlan (Smn). The most was 96.3 mm (3.8 in) on 23 August 1956.

Record daily precipitation for each month at Etzatlan (Smn)
Month	Record daily precipitation (mm)	Date
Jan	43.4 mm (1.7 in)	22 January 1961
Feb	17.8 mm (0.7 in)	26 February 1985
Mar	28.4 mm (1.1 in)	5 March 1958
Apr	46.5 mm (1.8 in)	17 April 1959
May	70.1 mm (2.8 in)	15 May 1956
Jun	90.9 mm (3.6 in)	20 June 1950
Jul	88.4 mm (3.5 in)	23 July 1981
Aug	96.3 mm (3.8 in)	23 August 1956
Sep	74.2 mm (2.9 in)	8 September 1958
Oct	72.4 mm (2.9 in)	11 October 2011
Nov	44.5 mm (1.8 in)	4 November 2011
Dec	42.4 mm (1.7 in)	12 December 1963

Period of Record Coverage

1948 to 2012

27 years of record at Etzatlan (Smn), 1948 to 2012. 8 years have data for under 90 percent of days and are left out of rankings: 1948, 1968, 1969, 1980, 1981, 1982, 1985, 2012.

Days with data per year at Etzatlan (Smn)
Year	Days with data	Share of year	Complete
1948	245	67%	No
1949	364	100%	Yes
1950	361	99%	Yes
1951	354	97%	Yes
1952	364	99%	Yes
1953	362	99%	Yes
1954	358	98%	Yes
1955	360	99%	Yes
1956	361	99%	Yes
1957	360	99%	Yes
1958	356	98%	Yes
1959	355	97%	Yes
1960	362	99%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1968	184	50%	No
1969	120	33%	No
1980	31	8%	No
1981	117	32%	No
1982	199	55%	No
1983	363	99%	Yes
1984	364	99%	Yes
1985	116	32%	No
2011	365	100%	Yes
2012	31	8%	No

Latest Records

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

Climate Trend

19 complete years, 1949 to 2011

One stripe for each of 19 complete years at Etzatlan (Smn), 1949 to 2011. Blue stripes are years cooler than the station's own mean of 21.2 C (70.2 F); red stripes are warmer. The coolest year was 1984, at 19.9 C (67.8 F), and the warmest was 1955, at 22.4 C (72.4 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Etzatlan (Smn) as warming stripes, 1949 to 2011
Year	Annual mean temperature	Difference from the station mean
1949	22.1 C	+0.84 C
1950	22.3 C	+1.11 C
1951	22.1 C	+0.87 C
1952	21.9 C	+0.71 C
1953	22.0 C	+0.78 C
1954	22.4 C	+1.15 C
1955	22.4 C	+1.20 C
1956	20.9 C	-0.29 C
1957	21.5 C	+0.28 C
1958	21.5 C	+0.22 C
1959	21.3 C	+0.04 C
1960	20.6 C	-0.61 C
1961	20.3 C	-0.89 C
1962	20.3 C	-0.92 C
1963	20.2 C	-1.05 C
1964	20.0 C	-1.24 C
1983	20.4 C	-0.87 C
1984	19.9 C	-1.32 C
2011	21.2 C	-0.03 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

1948 to 2012

Yearly extremes at Etzatlan (Smn): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1948	36.1 C (97.0 F)	27
Coldest night (TNn)	-0.6 C (30.9 F)	1960	4.4 C (39.9 F)	27
Wettest day (Rx1day)	96.3 mm (3.8 in)	1956	63.2 mm (2.5 in)	27
Wettest five days (Rx5day)	206.8 mm (8.1 in)	1962	137.0 mm (5.4 in)	27
Longest dry spell (CDD)	150 days	1960	93 days	27

Hottest day (TXx)

The hottest day of the year at Etzatlan (Smn), 1948 to 2012. The record is 43.3 C (109.9 F) in 1948, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Etzatlan (Smn) by year
Year	Hottest day (TXx)
1948	43.3 C (109.9 F)
1949	35.0 C (95.0 F)
1950	33.9 C (93.0 F)
1951	36.1 C (97.0 F)
1952	35.0 C (95.0 F)
1953	36.1 C (97.0 F)
1954	37.8 C (100.0 F)
1955	36.7 C (98.1 F)
1956	35.6 C (96.1 F)
1957	35.0 C (95.0 F)
1958	36.1 C (97.0 F)
1959	33.9 C (93.0 F)
1960	38.9 C (102.0 F)
1961	38.3 C (100.9 F)
1962	36.7 C (98.1 F)
1963	37.2 C (99.0 F)
1964	37.8 C (100.0 F)
1968	33.3 C (91.9 F)
1969	36.7 C (98.1 F)
1980	30.0 C (86.0 F)
1981	38.9 C (102.0 F)
1982	38.9 C (102.0 F)
1983	37.8 C (100.0 F)
1984	35.0 C (95.0 F)
1985	35.6 C (96.1 F)
2011	37.8 C (100.0 F)
2012	30.0 C (86.0 F)

Coldest night (TNn)

The coldest night of the year at Etzatlan (Smn), 1948 to 2012. The record is -0.6 C (30.9 F) in 1960, marked on the chart; the median year is 4.4 C (39.9 F).

Coldest night (TNn) at Etzatlan (Smn) by year
Year	Coldest night (TNn)
1948	10.0 C (50.0 F)
1949	10.0 C (50.0 F)
1950	7.8 C (46.0 F)
1951	5.0 C (41.0 F)
1952	7.8 C (46.0 F)
1953	5.6 C (42.1 F)
1954	5.6 C (42.1 F)
1955	1.7 C (35.1 F)
1956	5.0 C (41.0 F)
1957	2.8 C (37.0 F)
1958	4.4 C (39.9 F)
1959	2.8 C (37.0 F)
1960	-0.6 C (30.9 F)
1961	2.8 C (37.0 F)
1962	1.7 C (35.1 F)
1963	0.6 C (33.1 F)
1964	2.2 C (36.0 F)
1968	3.3 C (37.9 F)
1969	2.8 C (37.0 F)
1980	3.9 C (39.0 F)
1981	10.0 C (50.0 F)
1982	5.6 C (42.1 F)
1983	2.8 C (37.0 F)
1984	5.6 C (42.1 F)
1985	2.8 C (37.0 F)
2011	6.7 C (44.1 F)
2012	5.6 C (42.1 F)

Wettest day (Rx1day)

The wettest day of the year at Etzatlan (Smn), 1948 to 2012. The record is 96.3 mm (3.8 in) in 1956, marked on the chart; the median year is 63.2 mm (2.5 in).

Wettest day (Rx1day) at Etzatlan (Smn) by year
Year	Wettest day (Rx1day)
1948	70.4 mm (2.8 in)
1949	67.3 mm (2.6 in)
1950	90.9 mm (3.6 in)
1951	66.3 mm (2.6 in)
1952	69.3 mm (2.7 in)
1953	58.4 mm (2.3 in)
1954	67.3 mm (2.6 in)
1955	63.2 mm (2.5 in)
1956	96.3 mm (3.8 in)
1957	70.4 mm (2.8 in)
1958	74.2 mm (2.9 in)
1959	46.5 mm (1.8 in)
1960	82.3 mm (3.2 in)
1961	62.5 mm (2.5 in)
1962	53.3 mm (2.1 in)
1963	62.5 mm (2.5 in)
1964	67.3 mm (2.6 in)
1968	57.4 mm (2.3 in)
1969	2.8 mm (0.11 in)
1980	31.5 mm (1.2 in)
1981	88.4 mm (3.5 in)
1982	37.8 mm (1.5 in)
1983	19.8 mm (0.8 in)
1984	19.8 mm (0.8 in)
1985	48.8 mm (1.9 in)
2011	72.4 mm (2.9 in)
2012	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Etzatlan (Smn), 1948 to 2012. The record is 206.8 mm (8.1 in) in 1962, marked on the chart; the median year is 137.0 mm (5.4 in).

Wettest five days (Rx5day) at Etzatlan (Smn) by year
Year	Wettest five days (Rx5day)
1948	138.2 mm (5.4 in)
1949	83.6 mm (3.3 in)
1950	137.7 mm (5.4 in)
1951	117.6 mm (4.6 in)
1952	166.6 mm (6.6 in)
1953	166.0 mm (6.5 in)
1954	134.7 mm (5.3 in)
1955	137.0 mm (5.4 in)
1956	139.7 mm (5.5 in)
1957	105.2 mm (4.1 in)
1958	141.3 mm (5.6 in)
1959	143.1 mm (5.6 in)
1960	178.0 mm (7.0 in)
1961	160.3 mm (6.3 in)
1962	206.8 mm (8.1 in)
1963	138.2 mm (5.4 in)
1964	143.3 mm (5.6 in)
1968	107.7 mm (4.2 in)
1969	2.8 mm (0.11 in)
1980	83.1 mm (3.3 in)
1981	114.6 mm (4.5 in)
1982	140.1 mm (5.5 in)
1983	68.3 mm (2.7 in)
1984	60.2 mm (2.4 in)
1985	116.3 mm (4.6 in)
2011	120.2 mm (4.7 in)
2012	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Etzatlan (Smn), 1948 to 2012. The record is 150 days in 1960, marked on the chart; the median year is 93 days.

Longest dry spell (CDD) at Etzatlan (Smn) by year
Year	Longest dry spell (CDD)
1948	24 days
1949	123 days
1950	110 days
1951	82 days
1952	108 days
1953	143 days
1954	105 days
1955	110 days
1956	131 days
1957	80 days
1958	73 days
1959	97 days
1960	150 days
1961	104 days
1962	70 days
1963	59 days
1964	129 days
1968	38 days
1969	77 days
1980	21 days
1981	15 days
1982	41 days
1983	127 days
1984	93 days
1985	38 days
2011	122 days
2012	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 Etzatlan (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Etzatlan (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).