Mexico · 1991–2020

Best time to visit
San Jerónimo.

August leads for comfortable weather in San Jerónimo: typically 23.9°C by day, 10.4°C at night, with 74 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortAugust

Typical high23.9°C

Typical low10.4°C

Rain in August74 mm

Comfort

August

August · April · May

82climate match

Beach

May

May · June · April

62climate match

Outdoors

February

February · November · October

87climate match

The weakest month is January, scoring 58 against August’s 82 — nights drop to 1.6°C, and days reach only 18.6°C, 5° below the 24°C the score treats as ideal.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

5818.6° / 1.6°

Feb

6620.3° / 3°

Mar

7722.6° / 4.7°

Apr

8125.4° / 7.1°

May

8126.9° / 9.6°

Jun

7826° / 11.2°

Jul

7924° / 10.8°

Aug

8223.9° / 10.4°

Sep

7522.7° / 9.8°

Oct

7922.3° / 6.8°

Nov

6920.9° / 3.8°

Dec

6119.2° / 2°

Monthly climate evidence for San Jerónimo — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	18.6°C	1.6°C	16 mm	2	10 h 53	58	Good coverage
February	20.3°C	3°C	14 mm	1.6	11 h 22	66	Good coverage
March	22.6°C	4.7°C	5 mm	0.7	11 h 57	77	Good coverage
April	25.4°C	7.1°C	6 mm	0.8	12 h 39	81	Good coverage
May	26.9°C	9.6°C	19 mm	2.8	13 h 13	81	Good coverage
June	26°C	11.2°C	70 mm	7.3	13 h 31	78	Good coverage
July	24°C	10.8°C	91 mm	8.9	13 h 24	79	Good coverage
August	23.9°C	10.4°C	74 mm	7.6	12 h 55	82	Good coverage
September	22.7°C	9.8°C	77 mm	8.5	12 h 15	75	Good coverage
October	22.3°C	6.8°C	30 mm	4.1	11 h 35	79	Good coverage
November	20.9°C	3.8°C	12 mm	1	11 h 01	69	Good coverage
December	19.2°C	2°C	7 mm	1.1	10 h 45	61	Good coverage

Records at SAN GERONIMO, 1979–2012
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	26.7°C1 Jan 1991	-8.3°C15 Jan 2003	40 mm12 Jan 1987	134 mm1992 · driest 0 mm in 1986	28
February	28.9°C26 Feb 2009	-9.4°C3 Feb 1998	34 mm2 Feb 2010	99 mm2010 · driest 0 mm in 2009	28
March	30.0°C25 Mar 2011	-6.1°C5 Mar 2004	25 mm30 Mar 2004	51 mm2004 · driest 0 mm in 1986	29
April	35.0°C27 Apr 1980	-2.2°C14 Apr 1980	20 mm21 Apr 1994	47 mm1994 · driest 0 mm in 1991	28
May	35.0°C26 May 2011	2.8°C21 May 1999	50 mm27 May 1983	104 mm1983 · driest 0 mm in 1999	28
June	33.9°C9 Jun 2005	6.7°C21 Jun 1989	69 mm25 Jun 1996	186 mm1985 · driest 2 mm in 2005	27
July	30.0°C20 Jul 2011	5.0°C12 Jul 2005	50 mm1 Jul 1991	305 mm1991 · driest 20 mm in 2011	26
August	30.0°C6 Aug 1997	3.9°C16 Aug 2001	56 mm20 Aug 2003	204 mm1989 · driest 8 mm in 1986	27
September	29.4°C4 Sep 1987	1.7°C30 Sep 2000	58 mm2 Sep 2011	215 mm2004 · driest 12 mm in 1985	25
October	30.0°C12 Oct 1998	-2.2°C24 Oct 1999	40 mm18 Oct 1983	83 mm1992 · driest 0 mm in 2010	28
November	28.9°C23 Nov 1998	-12.2°C28 Nov 2011	48 mm14 Nov 1979	53 mm1992 · driest 0 mm in 1984	28
December	27.8°C28 Dec 2005	-11.1°C14 Dec 1997	19 mm5 Dec 2009	33 mm2000 · driest 0 mm in 2011	26

Typical days per month at SAN GERONIMO, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	1	0	11	<1
February	5	0	7	<1
March	11	<1	4	<1
April	19	4	1	<1
May	24	9	0	<1
June	21	5	0	2
July	14	<1	0	3
August	14	<1	0	2
September	8	0	0	2
October	9	<1	1	1
November	3	0	5	<1
December	<1	0	9	<1

How often, not how much — every day in SAN GERONIMO’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	41%	8%	3%	8%	15.0–20.8°C
February	60%	5%	1%	3%	17.0–23.2°C
March	84%	2%	<1%	0%	20.2–25.1°C
April	94%	3%	<1%	2%	22.4–27.5°C
May	89%	9%	2%	8%	24.3–28.8°C
June	77%	22%	7%	31%	23.8–29.0°C
July	70%	28%	10%	31%	22.0–25.8°C
August	75%	25%	8%	32%	22.0–25.4°C
September	68%	27%	9%	32%	20.7–24.2°C
October	76%	13%	4%	11%	19.2–24.1°C
November	75%	4%	2%	2%	18.4–22.9°C
December	53%	5%	<1%	2%	16.8–21.6°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 3986585
NOAA station: MXN00032131 · SAN GERONIMO
Station distance: 1.1 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 17 usable years
Daylight: Calculated from latitude 22.65°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from SAN GERONIMO is what differs

Bañuelos→Viboritas→Ojo de Agua del Progreso→Colonia el Refugio→Enrique Estrada→San Isidro Bocanegra→

Or put two places side by side: San Jerónimo vs Bañuelos

Best time to visitSan Jerónimo.

August

May

February

The whole year,without the guesswork.

Nearby, measured,and named.

Best time to visit
San Jerónimo.

The whole year,
without the guesswork.

Nearby, measured,
and named.