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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 37°C, while the coldest is January averaging around 12°C at night. Precipitation totals about 607 mm a year and is strongly seasonal — August alone averages 200 mm while May barely receives 0 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)Guamúchil climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 31 | 33 | 36 | 37 | 36 | 35 | 35 | 35 | 32 | 28 |
| Avg temp (°C) | 20 | 21 | 22 | 25 | 27 | 30 | 30 | 30 | 30 | 29 | 25 | 20 |
| Avg low (°C) | 12 | 13 | 14 | 16 | 18 | 24 | 25 | 24 | 24 | 22 | 17 | 13 |
| Precipitation (mm) | 14 | 9 | 2 | 1 | 0 | 17 | 135 | 200 | 145 | 46 | 28 | 10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 31 | 33 | 36 | 37 |
| Avg temp (°C) | 20 | 21 | 22 | 25 | 27 | 30 |
| Avg low (°C) | 12 | 13 | 14 | 16 | 18 | 24 |
| Precipitation (mm) | 14 | 9 | 2 | 1 | 0 | 17 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 36 | 35 | 35 | 35 | 32 | 28 |
| Avg temp (°C) | 30 | 30 | 30 | 29 | 25 | 20 |
| Avg low (°C) | 25 | 24 | 24 | 22 | 17 | 13 |
| Precipitation (mm) | 135 | 200 | 145 | 46 | 28 | 10 |
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 (km/h) | 6.4 | 6.8 | 7.3 | 8.0 | 8.5 | 9.2 | 6.9 | 5.7 | 5.7 | 6.2 | 6.3 | 6.2 |
| 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 (km/h) | 6.4 | 6.8 | 7.3 | 8.0 | 8.5 | 9.2 |
| 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 (km/h) | 6.9 | 5.7 | 5.7 | 6.2 | 6.3 | 6.2 |
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.