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Guamúchil, Sinaloa climate
BSh Hot semi-arid
Guamúchil has a mildly seasonal tropical climate (Hot semi-arid, Köppen BSh). The hottest month is June with an average daily high near 98°F, while the coldest is January averaging around 54°F at night. Precipitation totals about 24 inches a year and is strongly seasonal — August alone averages 7.9 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)Guamúchil climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 84 | 87 | 92 | 96 | 98 | 97 | 96 | 95 | 96 | 90 | 83 |
| Avg temp (°F) | 68 | 69 | 72 | 76 | 81 | 87 | 87 | 86 | 85 | 84 | 76 | 69 |
| Avg low (°F) | 54 | 55 | 56 | 60 | 65 | 75 | 76 | 76 | 76 | 72 | 63 | 55 |
| Precipitation (in) | 0.5 | 0.4 | 0.1 | 0.0 | 0.0 | 0.7 | 5.3 | 7.9 | 5.7 | 1.8 | 1.1 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 84 | 87 | 92 | 96 | 98 |
| Avg temp (°F) | 68 | 69 | 72 | 76 | 81 | 87 |
| Avg low (°F) | 54 | 55 | 56 | 60 | 65 | 75 |
| Precipitation (in) | 0.5 | 0.4 | 0.1 | 0.0 | 0.0 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 97 | 96 | 95 | 96 | 90 | 83 |
| Avg temp (°F) | 87 | 86 | 85 | 84 | 76 | 69 |
| Avg low (°F) | 76 | 76 | 76 | 72 | 63 | 55 |
| Precipitation (in) | 5.3 | 7.9 | 5.7 | 1.8 | 1.1 | 0.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 38 | 32 | 32 | 21 | 29 | 61 | 61 | 47 | 26 | 28 | 40 |
| Relative humidity (%) | 45 | 43 | 38 | 36 | 37 | 49 | 66 | 74 | 75 | 60 | 51 | 49 |
| Wind speed (mph) | 4.0 | 4.2 | 4.6 | 4.9 | 5.3 | 5.7 | 4.3 | 3.5 | 3.5 | 3.8 | 3.9 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 38 | 32 | 32 | 21 | 29 |
| Relative humidity (%) | 45 | 43 | 38 | 36 | 37 | 49 |
| Wind speed (mph) | 4.0 | 4.2 | 4.6 | 4.9 | 5.3 | 5.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 61 | 47 | 26 | 28 | 40 |
| Relative humidity (%) | 66 | 74 | 75 | 60 | 51 | 49 |
| Wind speed (mph) | 4.3 | 3.5 | 3.5 | 3.8 | 3.9 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Guamuchil (aarsp), 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.