Saltillo climate

Name: Saltillo
Address: MX

Saltillo is warmest in May, with average highs of 28 °C, and coldest in January, when nights average 6.1 °C. September is the wettest month (100 mm) and February the driest (17 mm). Figures are 1991–2020 climate normals.

Across a full year Saltillo averages 545 mm of rain, 167 days above 25 °C and 4 days below freezing.

Mexico · population 709,671 · 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 28 °C
Coldest month January 6.1 °C
Driest month February 17 mm
Wettest month September 100 mm
Least cloud May 34 % cloud
Hottest on record May 37 °C
Coldest on record January -9.4 °C

What to expectSaltillo through the year

Saltillo has a clear annual cycle: average daily highs run from 18 °C in January to 28 °C in May, a swing of 11 °C in mean temperature across the year.

Counted across a normal year, 167 days a year reach 25 °C, 34 of them reach 30 °C, 4 nights drop below freezing. The warmest reading in the 1991–2020 record is 37 °C, in May.

Rain is strongly seasonal. September averages 100 mm against 17 mm in February — 5.9 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	18.4 °C	21 mm	42 %
February	21.1 °C	17 mm	40 %
March	23.7 °C	24 mm	37 %
April	26.8 °C	27 mm	39 %
May	28.3 °C	39 mm	34 %
June	28.3 °C	58 mm	37 %
July	27.0 °C	98 mm	47 %
August	26.7 °C	83 mm	44 %
September	24.1 °C	100 mm	51 %
October	23.3 °C	39 mm	36 %
November	20.9 °C	21 mm	35 %
December	19.1 °C	18 mm	41 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	18.4 °C	6.1 °C	11.4 °C	28.5 °C	-9.4 °C	1	0	1
February	21.1 °C	7.8 °C	13.6 °C	31.8 °C	-8.8 °C	6	0	1
March	23.7 °C	9.8 °C	16.2 °C	35.8 °C	-2.5 °C	13	1	0
April	26.8 °C	13.0 °C	19.5 °C	35.6 °C	1.9 °C	21	7	0
May	28.3 °C	15.5 °C	21.7 °C	36.9 °C	3.3 °C	26	10	0
June	28.3 °C	16.7 °C	22.5 °C	35.2 °C	10.3 °C	25	9	0
July	27.0 °C	16.5 °C	21.7 °C	35.1 °C	12.9 °C	23	4	0
August	26.7 °C	16.3 °C	21.4 °C	32.6 °C	12.8 °C	24	2	0
September	24.1 °C	15.2 °C	19.3 °C	31.9 °C	7.5 °C	12	0	0
October	23.3 °C	12.6 °C	17.4 °C	30.7 °C	-0.9 °C	10	0	0
November	20.9 °C	9.3 °C	14.3 °C	29.5 °C	-4.6 °C	4	0	0
December	19.1 °C	6.9 °C	12.1 °C	28.9 °C	-6.8 °C	2	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	21 mm	4	11 h/day	42 %	59 %	14 km/h
February	17 mm	3	11 h/day	40 %	54 %	15 km/h
March	24 mm	5	12 h/day	37 %	50 %	17 km/h
April	27 mm	6	13 h/day	39 %	48 %	17 km/h
May	39 mm	9	13 h/day	34 %	54 %	17 km/h
June	58 mm	10	14 h/day	37 %	59 %	17 km/h
July	98 mm	15	14 h/day	47 %	64 %	15 km/h
August	83 mm	15	13 h/day	44 %	66 %	16 km/h
September	100 mm	14	12 h/day	51 %	75 %	15 km/h
October	39 mm	7	12 h/day	36 %	70 %	14 km/h
November	21 mm	4	11 h/day	35 %	65 %	13 km/h
December	18 mm	3	11 h/day	41 %	60 %	13 km/h

How Saltillo 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
Saltillo	28 °C	6.1 °C	545 mm	167
Santa Catarina · Mexico	32 °C	9.4 °C	569 mm	230
Monterrey · Mexico	33 °C	9.8 °C	582 mm	244
Ciudad Apodaca · Mexico	34 °C	9.5 °C	575 mm	256
Ciudad Benito Juárez · Mexico	33 °C	9.7 °C	553 mm	252
Monclova · Mexico	35 °C	8.4 °C	399 mm	268
Torreón · Mexico	35 °C	8.6 °C	205 mm	289

Where Saltillo ranks

Ranking	Position	Value
Places with the best weather in North America in March	2nd of 50	95/100
Places with the best weather in the world in March	11th of 50	95/100
Places with the best weather in North America in February	19th of 50	93/100
Places with the best weather in North America year-round	21st of 50	86/100
Places with the best weather in North America in October	29th of 50	93/100
Places with the best weather in North America in November	39th of 50	94/100

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

QuestionsCommon questions about Saltillo’s climate

When is the best time to visit Saltillo?

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

How hot does Saltillo get?

In May, the warmest month, daily highs average 28 °C. About 34 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average 6.1 °C in January, the coldest month. A normal year has 4 nights below freezing.

Which month is wettest in Saltillo?

September, averaging 100 mm over 14 days with rain. The driest month is February with 17 mm. The year as a whole averages 545 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 Saltillo 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: 25.426°, -100.980° (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.