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Tillabéri, Niger climate
BWh Hot desert
Tillabéri has a mildly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is May with an average daily high near 108°F, while the coldest is January averaging around 65°F at night. Precipitation totals about 16 inches a year and is strongly seasonal — August alone averages 5.7 inches while January 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)Tillabéri climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 97 | 104 | 108 | 108 | 103 | 96 | 93 | 97 | 102 | 100 | 93 |
| Avg temp (°F) | 78 | 83 | 89 | 95 | 96 | 92 | 87 | 85 | 87 | 90 | 85 | 79 |
| Avg low (°F) | 65 | 69 | 75 | 81 | 84 | 82 | 78 | 76 | 78 | 78 | 71 | 66 |
| Precipitation (in) | 0.0 | 0.1 | 0.5 | 0.2 | 0.7 | 2.2 | 3.6 | 5.7 | 2.8 | 0.4 | 0.0 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 97 | 104 | 108 | 108 | 103 |
| Avg temp (°F) | 78 | 83 | 89 | 95 | 96 | 92 |
| Avg low (°F) | 65 | 69 | 75 | 81 | 84 | 82 |
| Precipitation (in) | 0.0 | 0.1 | 0.5 | 0.2 | 0.7 | 2.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 96 | 93 | 97 | 102 | 100 | 93 |
| Avg temp (°F) | 87 | 85 | 87 | 90 | 85 | 79 |
| Avg low (°F) | 78 | 76 | 78 | 78 | 71 | 66 |
| Precipitation (in) | 3.6 | 5.7 | 2.8 | 0.4 | 0.0 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 30 | 28 | 35 | 44 | 49 | 51 | 55 | 58 | 48 | 36 | 27 | 29 |
| Relative humidity (%) | 19 | 16 | 15 | 21 | 35 | 47 | 59 | 71 | 68 | 49 | 27 | 23 |
| Wind speed (mph) | 7.4 | 7.2 | 6.7 | 6.0 | 7.0 | 7.7 | 6.7 | 5.1 | 4.6 | 4.4 | 5.4 | 6.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 30 | 28 | 35 | 44 | 49 | 51 |
| Relative humidity (%) | 19 | 16 | 15 | 21 | 35 | 47 |
| Wind speed (mph) | 7.4 | 7.2 | 6.7 | 6.0 | 7.0 | 7.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 58 | 48 | 36 | 27 | 29 |
| Relative humidity (%) | 59 | 71 | 68 | 49 | 27 | 23 |
| Wind speed (mph) | 6.7 | 5.1 | 4.6 | 4.4 | 5.4 | 6.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Tillabery, a weather station, inside the city. 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.