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Ciudad Obregón, Sonora climate
BWh Hot desert
Ciudad Obregón has a seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is July with an average daily high near 103°F, while the coldest is January averaging around 50°F at night. Precipitation totals about 14 inches a year and is strongly seasonal — September alone averages 4.0 inches while May barely receives 0.00 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 Obregón climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 82 | 86 | 92 | 99 | 103 | 103 | 103 | 102 | 98 | 88 | 78 |
| Avg temp (°F) | 64 | 66 | 70 | 75 | 82 | 89 | 91 | 91 | 89 | 83 | 73 | 64 |
| Avg low (°F) | 50 | 51 | 54 | 59 | 65 | 75 | 78 | 78 | 77 | 68 | 58 | 50 |
| Precipitation (in) | 0.7 | 0.4 | 0.2 | 0.1 | 0.0 | 0.5 | 3.2 | 3.5 | 4.0 | 0.9 | 0.5 | 0.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 82 | 86 | 92 | 99 | 103 |
| Avg temp (°F) | 64 | 66 | 70 | 75 | 82 | 89 |
| Avg low (°F) | 50 | 51 | 54 | 59 | 65 | 75 |
| Precipitation (in) | 0.7 | 0.4 | 0.2 | 0.1 | 0.0 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 103 | 103 | 102 | 98 | 88 | 78 |
| Avg temp (°F) | 91 | 91 | 89 | 83 | 73 | 64 |
| Avg low (°F) | 78 | 78 | 77 | 68 | 58 | 50 |
| Precipitation (in) | 3.2 | 3.5 | 4.0 | 0.9 | 0.5 | 0.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 40 | 34 | 31 | 23 | 29 | 63 | 59 | 39 | 25 | 29 | 36 |
| Relative humidity (%) | 47 | 45 | 40 | 35 | 35 | 42 | 59 | 66 | 65 | 52 | 47 | 48 |
| Wind speed (mph) | 5.1 | 5.5 | 5.8 | 6.3 | 6.5 | 7.0 | 5.8 | 4.7 | 4.9 | 5.2 | 5.1 | 5.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 40 | 34 | 31 | 23 | 29 |
| Relative humidity (%) | 47 | 45 | 40 | 35 | 35 | 42 |
| Wind speed (mph) | 5.1 | 5.5 | 5.8 | 6.3 | 6.5 | 7.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 59 | 39 | 25 | 29 | 36 |
| Relative humidity (%) | 59 | 66 | 65 | 52 | 47 | 48 |
| Wind speed (mph) | 5.8 | 4.7 | 4.9 | 5.2 | 5.1 | 5.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Ciudad Obregon (dge), inside the city.
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.