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San Pedro, Coahuila climate
BWh Hot desert
San Pedro has a seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is June with an average daily high near 97°F, while the coldest is January averaging around 41°F at night. Precipitation totals about 7 inches a year and is strongly seasonal — September alone averages 1.5 inches while April barely receives 0.11 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)San Pedro climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 78 | 83 | 90 | 96 | 97 | 95 | 95 | 90 | 87 | 79 | 73 |
| Avg temp (°F) | 56 | 62 | 67 | 73 | 80 | 83 | 82 | 82 | 78 | 73 | 64 | 57 |
| Avg low (°F) | 41 | 45 | 51 | 56 | 64 | 69 | 69 | 69 | 65 | 58 | 49 | 42 |
| Precipitation (in) | 0.4 | 0.2 | 0.3 | 0.1 | 0.6 | 0.9 | 1.1 | 0.9 | 1.5 | 0.6 | 0.3 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 78 | 83 | 90 | 96 | 97 |
| Avg temp (°F) | 56 | 62 | 67 | 73 | 80 | 83 |
| Avg low (°F) | 41 | 45 | 51 | 56 | 64 | 69 |
| Precipitation (in) | 0.4 | 0.2 | 0.3 | 0.1 | 0.6 | 0.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 95 | 95 | 90 | 87 | 79 | 73 |
| Avg temp (°F) | 82 | 82 | 78 | 73 | 64 | 57 |
| Avg low (°F) | 69 | 69 | 65 | 58 | 49 | 42 |
| Precipitation (in) | 1.1 | 0.9 | 1.5 | 0.6 | 0.3 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 46 | 45 | 45 | 38 | 43 | 52 | 48 | 47 | 33 | 35 | 47 |
| Relative humidity (%) | 48 | 40 | 33 | 29 | 32 | 41 | 47 | 50 | 57 | 54 | 52 | 50 |
| Wind speed (mph) | 4.2 | 4.6 | 5.0 | 5.3 | 5.4 | 6.3 | 6.5 | 6.4 | 5.9 | 4.6 | 4.2 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 46 | 45 | 45 | 38 | 43 |
| Relative humidity (%) | 48 | 40 | 33 | 29 | 32 | 41 |
| Wind speed (mph) | 4.2 | 4.6 | 5.0 | 5.3 | 5.4 | 6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 48 | 47 | 33 | 35 | 47 |
| Relative humidity (%) | 47 | 50 | 57 | 54 | 52 | 50 |
| Wind speed (mph) | 6.5 | 6.4 | 5.9 | 4.6 | 4.2 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at San Pedro, about 1 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.