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Ciudad Acuña, Coahuila climate
BSh Hot semi-arid
Ciudad Acuña has a seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 103°F, while the coldest is December averaging around 40°F at night. Precipitation totals about 20 inches a year and is strongly seasonal — September alone averages 3.1 inches while February barely receives 0.66 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 Acuña climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 78 | 84 | 91 | 96 | 101 | 102 | 103 | 97 | 89 | 80 | 72 |
| Avg temp (°F) | 56 | 61 | 67 | 74 | 80 | 86 | 87 | 88 | 82 | 74 | 64 | 56 |
| Avg low (°F) | 40 | 44 | 51 | 57 | 65 | 71 | 72 | 72 | 67 | 59 | 48 | 40 |
| Precipitation (in) | 0.8 | 0.7 | 1.3 | 1.5 | 2.7 | 2.3 | 1.7 | 1.9 | 3.1 | 2.1 | 1.0 | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 78 | 84 | 91 | 96 | 101 |
| Avg temp (°F) | 56 | 61 | 67 | 74 | 80 | 86 |
| Avg low (°F) | 40 | 44 | 51 | 57 | 65 | 71 |
| Precipitation (in) | 0.8 | 0.7 | 1.3 | 1.5 | 2.7 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 102 | 103 | 97 | 89 | 80 | 72 |
| Avg temp (°F) | 87 | 88 | 82 | 74 | 64 | 56 |
| Avg low (°F) | 72 | 72 | 67 | 59 | 48 | 40 |
| Precipitation (in) | 1.7 | 1.9 | 3.1 | 2.1 | 1.0 | 0.8 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 56 | 56 | 53 | 57 | 47 | 42 | 41 | 45 | 43 | 48 | 53 |
| Relative humidity (%) | 53 | 50 | 48 | 45 | 53 | 54 | 53 | 52 | 60 | 59 | 57 | 55 |
| Wind speed (mph) | 6.0 | 6.5 | 7.1 | 7.3 | 7.3 | 7.6 | 7.4 | 6.8 | 6.1 | 6.1 | 5.8 | 5.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 56 | 56 | 53 | 57 | 47 |
| Relative humidity (%) | 53 | 50 | 48 | 45 | 53 | 54 |
| Wind speed (mph) | 6.0 | 6.5 | 7.1 | 7.3 | 7.3 | 7.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 42 | 41 | 45 | 43 | 48 | 53 |
| Relative humidity (%) | 53 | 52 | 60 | 59 | 57 | 55 |
| Wind speed (mph) | 7.4 | 6.8 | 6.1 | 6.1 | 5.8 | 5.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Presa Centenario, about 12 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.