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Ciudad Valles, San Luis Potosí climate
Aw Tropical savanna (dry winter)
Ciudad Valles has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is June with an average daily high near 96°F, while the coldest is January averaging around 54°F at night. Precipitation totals about 48 inches a year and is strongly seasonal — September alone averages 9.6 inches while February barely receives 0.69 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)Ciudad Valles climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 82 | 88 | 94 | 97 | 96 | 94 | 95 | 91 | 88 | 83 | 79 |
| Avg temp (°F) | 66 | 70 | 75 | 80 | 84 | 85 | 83 | 84 | 81 | 77 | 72 | 67 |
| Avg low (°F) | 54 | 57 | 62 | 67 | 72 | 73 | 73 | 73 | 71 | 67 | 61 | 56 |
| Precipitation (in) | 0.9 | 0.7 | 1.3 | 1.6 | 3.8 | 7.3 | 9.3 | 6.2 | 9.6 | 4.5 | 1.6 | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 82 | 88 | 94 | 97 | 96 |
| Avg temp (°F) | 66 | 70 | 75 | 80 | 84 | 85 |
| Avg low (°F) | 54 | 57 | 62 | 67 | 72 | 73 |
| Precipitation (in) | 0.9 | 0.7 | 1.3 | 1.6 | 3.8 | 7.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 94 | 95 | 91 | 88 | 83 | 79 |
| Avg temp (°F) | 83 | 84 | 81 | 77 | 72 | 67 |
| Avg low (°F) | 73 | 73 | 71 | 67 | 61 | 56 |
| Precipitation (in) | 9.3 | 6.2 | 9.6 | 4.5 | 1.6 | 0.8 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 49 | 49 | 51 | 53 | 58 | 61 | 57 | 65 | 55 | 52 | 53 |
| Relative humidity (%) | 71 | 68 | 63 | 59 | 62 | 69 | 77 | 77 | 81 | 80 | 78 | 73 |
| Wind speed (mph) | 3.6 | 4.2 | 4.9 | 5.4 | 5.3 | 4.5 | 3.7 | 3.5 | 3.4 | 3.4 | 3.4 | 3.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 49 | 49 | 51 | 53 | 58 |
| Relative humidity (%) | 71 | 68 | 63 | 59 | 62 | 69 |
| Wind speed (mph) | 3.6 | 4.2 | 4.9 | 5.4 | 5.3 | 4.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 57 | 65 | 55 | 52 | 53 |
| Relative humidity (%) | 77 | 77 | 81 | 80 | 78 | 73 |
| Wind speed (mph) | 3.7 | 3.5 | 3.4 | 3.4 | 3.4 | 3.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Ciudad Valles, about 3 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.