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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 37°C, while the coldest is January averaging around 12°C at night. Precipitation totals about 687 mm a year and is strongly seasonal — August alone averages 216 mm while May barely receives 1 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)Culiacán climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 31 | 34 | 36 | 37 | 37 | 36 | 35 | 36 | 33 | 29 |
| Avg temp (°C) | 20 | 21 | 23 | 25 | 28 | 31 | 31 | 30 | 30 | 29 | 25 | 21 |
| Avg low (°C) | 12 | 13 | 14 | 16 | 20 | 24 | 25 | 24 | 24 | 22 | 17 | 13 |
| Precipitation (mm) | 14 | 14 | 3 | 1 | 1 | 18 | 151 | 216 | 188 | 43 | 22 | 16 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 31 | 34 | 36 | 37 |
| Avg temp (°C) | 20 | 21 | 23 | 25 | 28 | 31 |
| Avg low (°C) | 12 | 13 | 14 | 16 | 20 | 24 |
| Precipitation (mm) | 14 | 14 | 3 | 1 | 1 | 18 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 37 | 36 | 35 | 36 | 33 | 29 |
| Avg temp (°C) | 31 | 30 | 30 | 29 | 25 | 21 |
| Avg low (°C) | 25 | 24 | 24 | 22 | 17 | 13 |
| Precipitation (mm) | 151 | 216 | 188 | 43 | 22 | 16 |
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 (m/s) | 1.6 | 1.7 | 1.9 | 2.0 | 2.2 | 2.4 | 1.7 | 1.4 | 1.4 | 1.5 | 1.5 | 1.5 |
| 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 (m/s) | 1.6 | 1.7 | 1.9 | 2.0 | 2.2 | 2.4 |
| 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 (m/s) | 1.7 | 1.4 | 1.4 | 1.5 | 1.5 | 1.5 |
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.