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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 39°C, while the coldest is December averaging around 5°C at night. Precipitation totals about 504 mm a year and is strongly seasonal — September alone averages 79 mm while February barely receives 17 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)Ciudad Acuña climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 25 | 29 | 33 | 36 | 38 | 39 | 39 | 36 | 32 | 26 | 22 |
| Avg temp (°C) | 13 | 16 | 20 | 24 | 27 | 30 | 31 | 31 | 28 | 23 | 18 | 13 |
| Avg low (°C) | 5 | 7 | 10 | 14 | 18 | 22 | 22 | 22 | 19 | 15 | 9 | 5 |
| Precipitation (mm) | 21 | 17 | 32 | 39 | 69 | 59 | 42 | 49 | 79 | 52 | 26 | 20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 25 | 29 | 33 | 36 | 38 |
| Avg temp (°C) | 13 | 16 | 20 | 24 | 27 | 30 |
| Avg low (°C) | 5 | 7 | 10 | 14 | 18 | 22 |
| Precipitation (mm) | 21 | 17 | 32 | 39 | 69 | 59 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 39 | 39 | 36 | 32 | 26 | 22 |
| Avg temp (°C) | 31 | 31 | 28 | 23 | 18 | 13 |
| Avg low (°C) | 22 | 22 | 19 | 15 | 9 | 5 |
| Precipitation (mm) | 42 | 49 | 79 | 52 | 26 | 20 |
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 (km/h) | 9.6 | 10.5 | 11.4 | 11.7 | 11.7 | 12.2 | 12.0 | 11.0 | 9.8 | 9.8 | 9.4 | 9.1 |
| 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 (km/h) | 9.6 | 10.5 | 11.4 | 11.7 | 11.7 | 12.2 |
| 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 (km/h) | 12.0 | 11.0 | 9.8 | 9.8 | 9.4 | 9.1 |
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.