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Libreville, Gabon climate
Am Tropical monsoon
Libreville has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is February with an average daily high near 31°C, while the coldest is July averaging around 23°C at night. Precipitation totals about 2347 mm a year and is strongly seasonal — November alone averages 406 mm while July barely receives 8 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)Libreville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 31 | 31 | 30 | 29 | 28 | 28 | 29 | 29 | 29 | 30 |
| Avg temp (°C) | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 27 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 24 |
| Precipitation (mm) | 252 | 196 | 286 | 242 | 194 | 31 | 8 | 14 | 136 | 316 | 406 | 266 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 31 | 31 | 30 | 29 |
| Avg temp (°C) | 27 | 27 | 27 | 27 | 27 | 26 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 |
| Precipitation (mm) | 252 | 196 | 286 | 242 | 194 | 31 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 29 | 29 | 29 | 30 |
| Avg temp (°C) | 25 | 25 | 26 | 26 | 26 | 27 |
| Avg low (°C) | 23 | 23 | 24 | 24 | 23 | 24 |
| Precipitation (mm) | 8 | 14 | 136 | 316 | 406 | 266 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 76 | 81 | 82 | 81 | 76 | 76 | 81 | 81 | 85 | 83 | 74 |
| Relative humidity (%) | 86 | 85 | 86 | 87 | 87 | 86 | 85 | 85 | 86 | 88 | 89 | 87 |
| Wind speed (km/h) | 9.1 | 9.3 | 8.9 | 8.5 | 8.6 | 10.3 | 10.7 | 10.7 | 10.3 | 9.7 | 9.1 | 8.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 76 | 81 | 82 | 81 | 76 |
| Relative humidity (%) | 86 | 85 | 86 | 87 | 87 | 86 |
| Wind speed (km/h) | 9.1 | 9.3 | 8.9 | 8.5 | 8.6 | 10.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 81 | 81 | 85 | 83 | 74 |
| Relative humidity (%) | 85 | 85 | 86 | 88 | 89 | 87 |
| Wind speed (km/h) | 10.7 | 10.7 | 10.3 | 9.7 | 9.1 | 8.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Leon M BA, a weather station, about 9 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.