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Port-Gentil, Gabon climate
Aw Tropical savanna (dry winter)
Port-Gentil has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is March with an average daily high near 88°F, while the coldest is July averaging around 72°F at night. Precipitation totals about 68 inches a year and is strongly seasonal — November alone averages 12.0 inches while June barely receives 0.46 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)Port-Gentil climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 87 | 86 | 82 | 80 | 81 | 83 | 84 | 85 | 85 |
| Avg temp (°F) | 82 | 83 | 83 | 82 | 81 | 78 | 76 | 77 | 79 | 80 | 80 | 81 |
| Avg low (°F) | 78 | 78 | 78 | 77 | 77 | 75 | 72 | 73 | 75 | 76 | 76 | 77 |
| Precipitation (in) | 8.6 | 8.5 | 8.6 | 8.0 | 4.7 | 0.5 | 0.5 | 0.5 | 1.4 | 6.7 | 12.0 | 8.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 87 | 86 | 82 |
| Avg temp (°F) | 82 | 83 | 83 | 82 | 81 | 78 |
| Avg low (°F) | 78 | 78 | 78 | 77 | 77 | 75 |
| Precipitation (in) | 8.6 | 8.5 | 8.6 | 8.0 | 4.7 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 81 | 83 | 84 | 85 | 85 |
| Avg temp (°F) | 76 | 77 | 79 | 80 | 80 | 81 |
| Avg low (°F) | 72 | 73 | 75 | 76 | 76 | 77 |
| Precipitation (in) | 0.5 | 0.5 | 1.4 | 6.7 | 12.0 | 8.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 78 | 81 | 80 | 74 | 66 | 67 | 73 | 73 | 77 | 80 | 75 |
| Relative humidity (%) | 85 | 84 | 84 | 85 | 87 | 86 | 85 | 84 | 85 | 86 | 87 | 86 |
| Wind speed (mph) | 7.8 | 8.2 | 8.2 | 7.9 | 8.2 | 9.7 | 9.6 | 9.7 | 9.8 | 9.5 | 9.0 | 8.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 78 | 81 | 80 | 74 | 66 |
| Relative humidity (%) | 85 | 84 | 84 | 85 | 87 | 86 |
| Wind speed (mph) | 7.8 | 8.2 | 8.2 | 7.9 | 8.2 | 9.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 73 | 73 | 77 | 80 | 75 |
| Relative humidity (%) | 85 | 84 | 85 | 86 | 87 | 86 |
| Wind speed (mph) | 9.6 | 9.7 | 9.8 | 9.5 | 9.0 | 8.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Port Gentil, a weather station, about 3 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.