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Culiacán, Sinaloa climate
BSh Hot semi-arid
Culiacán has a mildly seasonal tropical climate (Hot semi-arid, Köppen BSh). The hottest month is June with an average daily high near 99°F, while the coldest is January averaging around 54°F at night. Precipitation totals about 27 inches a year and is strongly seasonal — August alone averages 8.5 inches while May barely receives 0.04 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)Culiacán climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 85 | 89 | 93 | 97 | 99 | 98 | 97 | 96 | 96 | 91 | 83 |
| Avg temp (°F) | 69 | 70 | 73 | 77 | 82 | 88 | 87 | 86 | 86 | 84 | 77 | 69 |
| Avg low (°F) | 54 | 55 | 57 | 61 | 67 | 76 | 76 | 76 | 76 | 72 | 63 | 56 |
| Precipitation (in) | 0.5 | 0.6 | 0.1 | 0.1 | 0.0 | 0.7 | 6.0 | 8.5 | 7.4 | 1.7 | 0.9 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 85 | 89 | 93 | 97 | 99 |
| Avg temp (°F) | 69 | 70 | 73 | 77 | 82 | 88 |
| Avg low (°F) | 54 | 55 | 57 | 61 | 67 | 76 |
| Precipitation (in) | 0.5 | 0.6 | 0.1 | 0.1 | 0.0 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 98 | 97 | 96 | 96 | 91 | 83 |
| Avg temp (°F) | 87 | 86 | 86 | 84 | 77 | 69 |
| Avg low (°F) | 76 | 76 | 76 | 72 | 63 | 56 |
| Precipitation (in) | 6.0 | 8.5 | 7.4 | 1.7 | 0.9 | 0.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 37 | 32 | 33 | 23 | 33 | 64 | 64 | 55 | 28 | 28 | 40 |
| Relative humidity (%) | 45 | 43 | 37 | 35 | 37 | 51 | 70 | 77 | 78 | 63 | 54 | 50 |
| Wind speed (mph) | 3.5 | 3.8 | 4.2 | 4.6 | 4.9 | 5.3 | 3.8 | 3.2 | 3.1 | 3.3 | 3.4 | 3.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 37 | 32 | 33 | 23 | 33 |
| Relative humidity (%) | 45 | 43 | 37 | 35 | 37 | 51 |
| Wind speed (mph) | 3.5 | 3.8 | 4.2 | 4.6 | 4.9 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 64 | 55 | 28 | 28 | 40 |
| Relative humidity (%) | 70 | 77 | 78 | 63 | 54 | 50 |
| Wind speed (mph) | 3.8 | 3.2 | 3.1 | 3.3 | 3.4 | 3.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Culiacan (dge), about 1 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.