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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 36°C, while the coldest is January averaging around 5°C at night. Precipitation totals about 181 mm a year and is strongly seasonal — September alone averages 39 mm while April barely receives 3 mm.
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 (°C) | 22 | 26 | 29 | 32 | 36 | 36 | 35 | 35 | 32 | 31 | 26 | 23 |
| Avg temp (°C) | 13 | 17 | 20 | 23 | 27 | 28 | 28 | 28 | 25 | 23 | 18 | 14 |
| Avg low (°C) | 5 | 7 | 10 | 14 | 18 | 20 | 21 | 20 | 19 | 14 | 9 | 5 |
| Precipitation (mm) | 10 | 5 | 7 | 3 | 14 | 24 | 28 | 23 | 39 | 15 | 9 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 26 | 29 | 32 | 36 | 36 |
| Avg temp (°C) | 13 | 17 | 20 | 23 | 27 | 28 |
| Avg low (°C) | 5 | 7 | 10 | 14 | 18 | 20 |
| Precipitation (mm) | 10 | 5 | 7 | 3 | 14 | 24 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 35 | 32 | 31 | 26 | 23 |
| Avg temp (°C) | 28 | 28 | 25 | 23 | 18 | 14 |
| Avg low (°C) | 21 | 20 | 19 | 14 | 9 | 5 |
| Precipitation (mm) | 28 | 23 | 39 | 15 | 9 | 5 |
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.