Salamanca climate

Name: Salamanca
Address: MX

Salamanca is warmest in May, with average highs of 32 °C, and coldest in January, when nights average 8.8 °C. July is the wettest month (165 mm) and December the driest (4.2 mm). Figures are 1991–2020 climate normals.

Across a full year Salamanca averages 685 mm of rain, 264 days above 25 °C and 0 days below freezing.

Mexico · population 160,682 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month May 32 °C
Coldest month January 8.8 °C
Driest month December 4 mm
Wettest month July 165 mm
Least cloud March 29 % cloud
Hottest on record May 38 °C
Coldest on record December -1.2 °C

What to expectSalamanca through the year

Salamanca has a clear annual cycle: average daily highs run from 24 °C in January to 32 °C in May, a swing of 7.6 °C in mean temperature across the year.

Counted across a normal year, 264 days a year reach 25 °C, 72 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in May.

Rain is strongly seasonal. July averages 165 mm against 4 mm in December — 40 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	24.0 °C	10 mm	38 %
February	26.2 °C	12 mm	31 %
March	28.8 °C	10 mm	29 %
April	31.1 °C	9 mm	36 %
May	31.5 °C	35 mm	40 %
June	28.9 °C	127 mm	59 %
July	26.4 °C	165 mm	69 %
August	26.6 °C	139 mm	67 %
September	25.6 °C	121 mm	71 %
October	25.9 °C	40 mm	54 %
November	25.3 °C	12 mm	36 %
December	24.4 °C	4 mm	38 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	24.0 °C	8.8 °C	15.9 °C	29.1 °C	2.6 °C	11	0
February	26.2 °C	10.1 °C	17.7 °C	32.7 °C	2.1 °C	20	1
March	28.8 °C	12.0 °C	20.1 °C	35.2 °C	2.6 °C	29	9
April	31.1 °C	14.4 °C	22.6 °C	35.8 °C	9.1 °C	30	22
May	31.5 °C	15.9 °C	23.5 °C	38.1 °C	10.1 °C	31	23
June	28.9 °C	16.2 °C	21.9 °C	36.6 °C	12.6 °C	27	11
July	26.4 °C	15.1 °C	20.0 °C	33.3 °C	11.2 °C	23	2
August	26.6 °C	15.2 °C	20.1 °C	33.6 °C	12.0 °C	24	2
September	25.6 °C	14.9 °C	19.5 °C	32.3 °C	7.7 °C	18	1
October	25.9 °C	13.3 °C	19.0 °C	31.9 °C	4.3 °C	20	1
November	25.3 °C	11.3 °C	17.7 °C	31.4 °C	1.9 °C	18	1
December	24.4 °C	9.5 °C	16.5 °C	30.1 °C	-1.2 °C	13	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	10 mm	2	11 h/day	38 %	49 %	13 km/h
February	12 mm	2	11 h/day	31 %	45 %	14 km/h
March	10 mm	2	12 h/day	29 %	38 %	15 km/h
April	9 mm	2	13 h/day	36 %	35 %	15 km/h
May	35 mm	6	13 h/day	40 %	44 %	14 km/h
June	127 mm	14	13 h/day	59 %	62 %	13 km/h
July	165 mm	20	13 h/day	69 %	72 %	11 km/h
August	139 mm	18	13 h/day	67 %	71 %	12 km/h
September	121 mm	16	12 h/day	71 %	73 %	12 km/h
October	40 mm	7	12 h/day	54 %	63 %	13 km/h
November	12 mm	3	11 h/day	36 %	55 %	13 km/h
December	4 mm	1	11 h/day	38 %	51 %	12 km/h

How Salamanca compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Salamanca	32 °C	8.8 °C	685 mm	264
Irapuato · Mexico	31 °C	8.6 °C	646 mm	256
Celaya · Mexico	30 °C	8.0 °C	642 mm	222
San Miguel de Allende · Mexico	29 °C	8.2 °C	571 mm	174
León de los Aldama · Mexico	30 °C	8.3 °C	568 mm	199
Santiago de Querétaro · Mexico	30 °C	8.3 °C	628 mm	205
Morelia · Mexico	28 °C	8.7 °C	696 mm	112

Where Salamanca ranks

Ranking	Position	Value
The driest places in North America in December	7th of 50	4.2 mm
The driest places in North America in November	18th of 50	12 mm
Places with the best weather in North America in January	22nd of 50	94/100
Places with the best weather in North America in December	26th of 50	94/100
The driest places in North America in January	30th of 50	10 mm
The driest places in North America in April	33rd of 50	8.8 mm

Planning a trip? See the best time to visit Salamanca.

QuestionsCommon questions about Salamanca’s climate

When is the best time to visit Salamanca?

That depends on what you want, so the honest answer is a comparison rather than a single month. March, July, August sit closest to 20 °C on average, May is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Salamanca get?

In May, the warmest month, daily highs average 32 °C. About 72 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 8.8 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Salamanca?

July, averaging 165 mm over 20 days with rain. The driest month is December with 4 mm. The year as a whole averages 685 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Salamanca rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 20.570°, -101.198° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.