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Saltillo, Coahuila climate
BSh Hot semi-arid
Saltillo has a mildly seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is June with an average daily high near 86°F, while the coldest is January averaging around 41°F at night. Precipitation totals about 13 inches a year and is strongly seasonal — September alone averages 2.5 inches while November barely receives 0.36 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Saltillo climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 68 | 72 | 77 | 82 | 86 | 86 | 85 | 84 | 79 | 78 | 73 | 69 |
| Avg temp (°F) | 54 | 58 | 63 | 69 | 73 | 74 | 74 | 73 | 69 | 65 | 60 | 56 |
| Avg low (°F) | 41 | 44 | 49 | 55 | 60 | 62 | 62 | 61 | 58 | 53 | 47 | 43 |
| Precipitation (in) | 0.5 | 0.4 | 0.5 | 0.5 | 1.2 | 1.6 | 2.5 | 1.6 | 2.5 | 1.0 | 0.4 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 68 | 72 | 77 | 82 | 86 | 86 |
| Avg temp (°F) | 54 | 58 | 63 | 69 | 73 | 74 |
| Avg low (°F) | 41 | 44 | 49 | 55 | 60 | 62 |
| Precipitation (in) | 0.5 | 0.4 | 0.5 | 0.5 | 1.2 | 1.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 84 | 79 | 78 | 73 | 69 |
| Avg temp (°F) | 74 | 73 | 69 | 65 | 60 | 56 |
| Avg low (°F) | 62 | 61 | 58 | 53 | 47 | 43 |
| Precipitation (in) | 2.5 | 1.6 | 2.5 | 1.0 | 0.4 | 0.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 47 | 47 | 49 | 49 | 47 | 49 | 46 | 53 | 41 | 40 | 47 |
| Relative humidity (%) | 55 | 50 | 47 | 44 | 53 | 60 | 62 | 64 | 72 | 68 | 63 | 57 |
| Wind speed (mph) | 4.8 | 5.3 | 5.8 | 6.1 | 6.1 | 6.2 | 6.2 | 5.9 | 5.3 | 4.7 | 4.5 | 4.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 47 | 47 | 49 | 49 | 47 |
| Relative humidity (%) | 55 | 50 | 47 | 44 | 53 | 60 |
| Wind speed (mph) | 4.8 | 5.3 | 5.8 | 6.1 | 6.1 | 6.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 46 | 53 | 41 | 40 | 47 |
| Relative humidity (%) | 62 | 64 | 72 | 68 | 63 | 57 |
| Wind speed (mph) | 6.2 | 5.9 | 5.3 | 4.7 | 4.5 | 4.6 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Saltillo (dge), about 6 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.