San Agustín climate — normals and trends

San Agustín (Mexico) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 19.6 °C and it receives 681 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is May (23.3 °C on average) and the coldest is January (15.8 °C). Rainfall peaks in July.

San Agustín averages 0 frost days, 73 hot days (≥ 30 °C) and 107 rainy days per year.

San Agustín has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.9 °C (on 4 May 2003) and the coldest 1.0 °C (on 11 January 1997).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

San AgustínJalisco

coords
20.55°, -103.47°
period
19402025 · 86 yrs
CsaHot-summer MediterraneanWarmest monthMayColdest monthJanuaryWettest monthJulyDriest monthMarch

Mean daily temperature

19.6°C

Average daily high

27.2°C

Average daily low

13.2°C

Annual rainfall

681mm

Sunshine / day

10.7h

Mean relative humidity

60%

Average peak wind

11.0km/h

Seasonal range

7.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

107 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.3 °C

Average feels-like low

12.9 °C

Average peak gust

31.8 km/h

Tropical nights (≥ 20 °C)

1 d/yr

Solar radiation

21.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.72 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

37.9 °C

4 May 2003

Coldest day

1.0 °C

11 January 1997

Wettest day

76 mm

12 January 1967

Windiest day

27.9 km/h

4 March 1983

Strongest gust

81.0 km/h

2 March 2001

Hottest feels-like

38.9 °C

28 May 2024

Coldest feels-like

-3.4 °C

14 December 1997

Sunniest day

13.2 h

21 June 1945

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202536.2 °C21 May 20255.9 °C18 December 202520.9 °C834 mm1060
202437.7 °C6 June 20244.7 °C27 December 202421.3 °C813 mm1180
202337.7 °C13 June 20234.3 °C17 January 202321.2 °C588 mm1520
202236.1 °C10 May 20225.3 °C23 March 202220.6 °C704 mm1000
202135.7 °C27 May 20212.0 °C2 January 202120.5 °C890 mm1070
202035.5 °C4 June 20204.6 °C5 January 202020.9 °C682 mm1170
201934.5 °C1 May 20193.7 °C28 January 201920.7 °C708 mm1150
201837.1 °C1 June 20183.8 °C21 December 201820.1 °C838 mm780
201736.2 °C22 May 20176.0 °C28 January 201720.6 °C678 mm940
201635.8 °C25 May 20162.6 °C10 March 201620.4 °C650 mm870
201533.9 °C11 May 20155.8 °C15 December 201520.2 °C847 mm460
201433.5 °C20 May 20145.4 °C10 January 201419.8 °C777 mm680
201335.3 °C1 June 20136.3 °C4 March 201320.1 °C927 mm830
201235.4 °C31 May 20125.4 °C9 January 201220.5 °C592 mm950
201137.2 °C26 May 20113.0 °C20 January 201120.6 °C588 mm1040
201035.8 °C5 June 20103.8 °C17 January 201019.6 °C997 mm740
200935.1 °C7 May 20094.4 °C23 December 200920.5 °C576 mm1030
200835.6 °C11 May 20083.9 °C12 January 200819.9 °C857 mm660
200735.8 °C8 June 20075.6 °C13 February 200720.0 °C699 mm750
200634.6 °C7 May 20062.9 °C26 December 200620.2 °C727 mm990
200537.3 °C9 June 20055.9 °C13 January 200520.4 °C560 mm1000
200433.0 °C19 March 20043.5 °C1 February 200419.6 °C749 mm510
200337.9 °C4 May 20034.6 °C23 December 200320.6 °C672 mm1050
200236.2 °C4 May 20024.5 °C2 January 200220.5 °C634 mm1020
200135.7 °C22 May 20014.5 °C28 December 200120.2 °C592 mm960
200035.3 °C20 April 20004.8 °C20 January 200020.2 °C541 mm810
199937.3 °C1 June 19992.0 °C21 December 199920.1 °C627 mm910
199836.5 °C13 May 19983.1 °C17 February 199820.4 °C717 mm1040
199734.8 °C3 May 19971.0 °C11 January 199719.3 °C714 mm420
199634.5 °C25 May 19964.5 °C15 January 199620.0 °C745 mm580
199536.8 °C9 June 19954.9 °C27 November 199520.4 °C769 mm750
199435.9 °C9 May 19945.3 °C6 January 199420.6 °C600 mm920
199335.5 °C8 June 19933.1 °C11 February 199319.8 °C692 mm770
199234.3 °C28 June 19923.3 °C8 February 199219.0 °C998 mm550
199136.1 °C20 April 19912.9 °C16 January 199119.8 °C847 mm910
199035.4 °C27 May 19903.7 °C21 February 199019.7 °C827 mm540
198936.2 °C19 May 19894.9 °C27 December 198919.9 °C703 mm810
198835.9 °C28 April 19881.5 °C22 January 198820.1 °C708 mm750
198734.1 °C22 May 19872.5 °C22 January 198719.6 °C607 mm610
198636.5 °C12 May 19861.7 °C7 February 198619.4 °C766 mm690
198534.6 °C23 May 19854.3 °C6 January 198519.2 °C721 mm560
198434.5 °C28 April 19843.6 °C12 January 198419.1 °C884 mm650
198336.6 °C1 May 19833.3 °C2 February 198319.1 °C726 mm720
198236.4 °C4 June 19824.5 °C4 December 198220.1 °C541 mm930
198134.6 °C15 May 19813.4 °C25 January 198119.5 °C860 mm510
198036.1 °C1 June 19804.4 °C27 January 198019.8 °C802 mm780
197934.0 °C3 May 19793.6 °C26 November 197919.8 °C578 mm850
197835.1 °C10 May 19782.9 °C13 February 197819.4 °C862 mm590
197734.2 °C21 May 19775.1 °C6 January 197719.2 °C791 mm510
197634.9 °C27 May 19762.6 °C1 January 197619.1 °C709 mm590
197533.8 °C10 May 19751.9 °C27 December 197519.0 °C686 mm720
197434.4 °C17 May 19747.4 °C28 January 197419.0 °C693 mm420
197335.2 °C26 May 19734.0 °C22 January 197319.2 °C791 mm660
197234.8 °C22 May 19725.0 °C11 February 197219.7 °C486 mm540
197134.5 °C19 May 19714.7 °C5 January 197119.1 °C588 mm510
197033.8 °C25 April 19703.9 °C15 January 197019.1 °C557 mm690
196935.3 °C14 June 19694.7 °C11 December 196919.6 °C409 mm740
196833.0 °C10 June 19684.9 °C12 March 196818.9 °C569 mm530
196734.7 °C8 May 19672.4 °C8 February 196718.8 °C770 mm480
196634.9 °C13 May 19663.6 °C31 January 196618.8 °C638 mm500
196535.2 °C28 May 19653.8 °C23 January 196519.1 °C656 mm810
196435.1 °C1 May 19644.7 °C1 January 196419.4 °C481 mm710
196334.2 °C23 April 19633.8 °C18 February 196319.0 °C747 mm600
196234.5 °C8 June 19625.4 °C14 January 196219.4 °C534 mm750
196134.6 °C7 May 19614.3 °C4 February 196119.2 °C532 mm600
196034.1 °C2 June 19602.1 °C13 February 196019.2 °C586 mm780
195931.4 °C28 April 19595.5 °C17 December 195918.4 °C905 mm170
195834.7 °C10 May 19583.1 °C25 January 195818.8 °C810 mm670
195734.6 °C15 June 19574.8 °C25 March 195720.0 °C338 mm910
195634.4 °C8 May 19562.3 °C13 January 195619.3 °C444 mm600
195535.0 °C21 May 19551.1 °C24 January 195519.2 °C552 mm810
195434.6 °C4 June 19546.1 °C21 December 195419.5 °C427 mm600
195335.1 °C22 May 19534.7 °C14 December 195319.1 °C480 mm660
195234.6 °C9 May 19524.5 °C4 February 195219.0 °C549 mm610
195134.2 °C10 June 19515.0 °C4 February 195119.7 °C566 mm710
195034.0 °C17 May 19502.9 °C14 February 195019.2 °C512 mm630
194934.8 °C21 May 19495.2 °C8 November 194919.1 °C596 mm670
194833.9 °C2 May 19483.4 °C25 January 194818.6 °C940 mm500
194732.8 °C6 April 19473.1 °C2 January 194718.5 °C664 mm490
194635.3 °C19 May 19463.4 °C8 January 194619.0 °C584 mm640
194534.9 °C12 June 19454.3 °C13 February 194519.2 °C554 mm830
194434.2 °C5 June 19445.1 °C7 December 194418.5 °C682 mm560
194334.3 °C18 May 19435.8 °C25 January 194318.3 °C799 mm410
194233.8 °C19 May 19423.4 °C29 December 194218.9 °C489 mm510
194133.5 °C9 May 19414.1 °C27 December 194118.4 °C737 mm460
194033.8 °C1 May 19403.2 °C18 February 194018.5 °C662 mm440

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
28.7 °C
+1.5 °C
Hot days (≥ 30 °C)
106 d/yr
+33
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
834 mm
+153 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan25.6 °C+1.7 °C5 mm-14 mm
Feb28.7 °C+2.8 °C3 mm-7 mm
Mar30.8 °C+2.1 °C0 mm-5 mm
Apr32.0 °C+1.1 °C0 mm-6 mm
May33.1 °C+1.1 °C18 mm+1 mm
Jun28.9 °C-0.5 °C194 mm+80 mm
Jul27.7 °C+1.2 °C147 mm-20 mm
Aug28.0 °C+1.5 °C207 mm+55 mm
Sep27.8 °C+1.7 °C211 mm+88 mm
Oct28.3 °C+2.1 °C31 mm-14 mm
Nov28.3 °C+2.5 °C0 mm-11 mm
Dec25.7 °C+1.5 °C16 mm+5 mm

The year's extremes

Hottest day
36.2 °C
21 May 2025
Coldest day
5.9 °C
18 Dec 2025
Wettest day
40.4 mm
30 Sep 2025
Windiest day
22.7 km/h
10 Oct 2025
Strongest gust
57.6 km/h
10 Oct 2025
Hottest feels-like
36.9 °C
21 May 2025
Coldest feels-like
4.2 °C
18 Dec 2025
Sunniest day
12.7 h
27 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of San Agustín?

San Agustín has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 19.6 °C and it receives 681 mm of precipitation per year.

What is the hottest day ever recorded in San Agustín?

The hottest day measured in San Agustín between 1940 and 2025 was 4 May 2003, reaching 37.9 °C.

What is the coldest day in San Agustín?

The coldest day measured in San Agustín between 1940 and 2025 was 11 January 1997, at 1.0 °C.

Does it snow in San Agustín?

Almost never: San Agustín sees virtually no snow, with about 0 frost days per year.

Has the climate of San Agustín warmed?

Yes: San Agustín warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Agustín?

The wettest day measured in San Agustín between 1940 and 2025 was 12 January 1967, with 76 mm of rain in 24 hours.

What was the windiest day in San Agustín?

The windiest day measured in San Agustín between 1940 and 2025 was 4 March 1983, with winds reaching 27.9 km/h.

What is the warmest month in San Agustín?

The warmest month in San Agustín is May (23.3 °C on average); the coldest is January (15.8 °C).

How much does it rain in San Agustín?

San Agustín receives on average 681 mm of precipitation per year, spread over about 107 rainy days.

Is it sunny in San Agustín?

San Agustín gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in San Agustín?

Yes: San Agustín has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Agustín?

In San Agustín, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 28 May 2024, and the lowest was -3.4 °C on 14 December 1997.

Compare San Agustín with another city

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Nearby cities

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