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Diourbel, Senegal climate
BSh Hot semi-arid
Diourbel has a remarkably steady tropical climate (Hot semi-arid, Köppen BSh). The hottest month is June with an average daily high near 101°F, while the coldest is January averaging around 62°F at night. Precipitation totals about 19 inches a year and is strongly seasonal — August alone averages 6.5 inches while April 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)Diourbel climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 94 | 97 | 101 | 104 | 104 | 101 | 96 | 93 | 93 | 99 | 100 | 95 |
| Avg temp (°F) | 78 | 81 | 84 | 85 | 87 | 87 | 86 | 84 | 84 | 86 | 84 | 80 |
| Avg low (°F) | 62 | 64 | 66 | 67 | 70 | 73 | 75 | 75 | 74 | 74 | 68 | 64 |
| Precipitation (in) | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 1.2 | 3.5 | 6.5 | 5.9 | 1.2 | 0.6 | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 94 | 97 | 101 | 104 | 104 | 101 |
| Avg temp (°F) | 78 | 81 | 84 | 85 | 87 | 87 |
| Avg low (°F) | 62 | 64 | 66 | 67 | 70 | 73 |
| Precipitation (in) | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 1.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 96 | 93 | 93 | 99 | 100 | 95 |
| Avg temp (°F) | 86 | 84 | 84 | 86 | 84 | 80 |
| Avg low (°F) | 75 | 75 | 74 | 74 | 68 | 64 |
| Precipitation (in) | 3.5 | 6.5 | 5.9 | 1.2 | 0.6 | 0.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 38 | 35 | 34 | 40 | 51 | 63 | 72 | 63 | 43 | 44 | 48 |
| Relative humidity (%) | 27 | 28 | 32 | 39 | 43 | 53 | 69 | 80 | 82 | 70 | 46 | 33 |
| Wind speed (mph) | 7.4 | 8.1 | 8.2 | 8.7 | 8.5 | 7.8 | 6.3 | 4.7 | 3.7 | 3.8 | 4.9 | 6.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 38 | 35 | 34 | 40 | 51 |
| Relative humidity (%) | 27 | 28 | 32 | 39 | 43 | 53 |
| Wind speed (mph) | 7.4 | 8.1 | 8.2 | 8.7 | 8.5 | 7.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 72 | 63 | 43 | 44 | 48 |
| Relative humidity (%) | 69 | 80 | 82 | 70 | 46 | 33 |
| Wind speed (mph) | 6.3 | 4.7 | 3.7 | 3.8 | 4.9 | 6.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Diourbel, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
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.