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San Pedro, Coahuila climate
BWh Hot desert
San Pedro has a mildly seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is August with an average daily high near 88°F, while the coldest is January averaging around 43°F at night. Precipitation totals about 13 inches a year and is strongly seasonal — September alone averages 2.8 inches while April barely receives 0.24 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) | 67 | 72 | 77 | 82 | 87 | 88 | 87 | 88 | 84 | 80 | 73 | 67 |
| Avg temp (°F) | 55 | 60 | 64 | 70 | 74 | 76 | 76 | 76 | 73 | 67 | 61 | 56 |
| Avg low (°F) | 43 | 47 | 51 | 57 | 61 | 64 | 64 | 64 | 61 | 55 | 49 | 45 |
| Precipitation (in) | 0.4 | 0.3 | 0.5 | 0.2 | 0.9 | 1.5 | 2.2 | 2.4 | 2.8 | 0.7 | 0.5 | 0.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 67 | 72 | 77 | 82 | 87 | 88 |
| Avg temp (°F) | 55 | 60 | 64 | 70 | 74 | 76 |
| Avg low (°F) | 43 | 47 | 51 | 57 | 61 | 64 |
| Precipitation (in) | 0.4 | 0.3 | 0.5 | 0.2 | 0.9 | 1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 88 | 84 | 80 | 73 | 67 |
| Avg temp (°F) | 76 | 76 | 73 | 67 | 61 | 56 |
| Avg low (°F) | 64 | 64 | 61 | 55 | 49 | 45 |
| Precipitation (in) | 2.2 | 2.4 | 2.8 | 0.7 | 0.5 | 0.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 42 | 41 | 41 | 34 | 40 | 50 | 45 | 47 | 30 | 32 | 44 |
| Relative humidity (%) | 46 | 38 | 31 | 27 | 30 | 40 | 46 | 49 | 56 | 52 | 50 | 48 |
| Wind speed (mph) | 4.0 | 4.5 | 4.9 | 5.1 | 5.2 | 5.8 | 5.7 | 5.6 | 5.2 | 4.3 | 4.0 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 42 | 41 | 41 | 34 | 40 |
| Relative humidity (%) | 46 | 38 | 31 | 27 | 30 | 40 |
| Wind speed (mph) | 4.0 | 4.5 | 4.9 | 5.1 | 5.2 | 5.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 45 | 47 | 30 | 32 | 44 |
| Relative humidity (%) | 46 | 49 | 56 | 52 | 50 | 48 |
| Wind speed (mph) | 5.7 | 5.6 | 5.2 | 4.3 | 4.0 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Tejaban De La Rosita, about 18 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.