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Franceville, Gabon climate
Am Tropical monsoon
Franceville has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is March with an average daily high near 84°F, while the coldest is November averaging around 70°F at night. Precipitation totals about 67 inches a year and is strongly seasonal — November alone averages 8.6 inches while July barely receives 1.39 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)Franceville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 85 | 84 | 83 | 83 | 84 | 85 | 85 | 84 | 82 | 82 | 83 |
| Avg temp (°F) | 77 | 78 | 78 | 77 | 77 | 77 | 77 | 78 | 77 | 76 | 76 | 76 |
| Avg low (°F) | 70 | 71 | 71 | 71 | 71 | 69 | 69 | 70 | 70 | 70 | 70 | 70 |
| Precipitation (in) | 6.4 | 6.4 | 7.3 | 6.7 | 5.8 | 2.0 | 1.4 | 2.2 | 4.5 | 7.5 | 8.6 | 7.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 85 | 84 | 83 | 83 | 84 |
| Avg temp (°F) | 77 | 78 | 78 | 77 | 77 | 77 |
| Avg low (°F) | 70 | 71 | 71 | 71 | 71 | 69 |
| Precipitation (in) | 6.4 | 6.4 | 7.3 | 6.7 | 5.8 | 2.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 85 | 84 | 82 | 82 | 83 |
| Avg temp (°F) | 77 | 78 | 77 | 76 | 76 | 76 |
| Avg low (°F) | 69 | 70 | 70 | 70 | 70 | 70 |
| Precipitation (in) | 1.4 | 2.2 | 4.5 | 7.5 | 8.6 | 7.9 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 0.6 | 1 | 0.7 | 0.8 | 0.6 | 1.0 | 3 | 3 | 3 | 0.4 | — | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 0.6 | 1 | 0.7 | 0.8 | 0.6 | 1.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 3 | 3 | 3 | 0.4 | — | 0.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 78 | 78 | 80 | 76 | 68 | 69 | 74 | 74 | 80 | 82 | 79 |
| Relative humidity (%) | 83 | 84 | 86 | 87 | 87 | 82 | 78 | 77 | 81 | 87 | 88 | 85 |
| Wind speed (mph) | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 0.9 | 0.9 | 0.9 | 0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 78 | 78 | 80 | 76 | 68 |
| Relative humidity (%) | 83 | 84 | 86 | 87 | 87 | 82 |
| Wind speed (mph) | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 74 | 74 | 80 | 82 | 79 |
| Relative humidity (%) | 78 | 77 | 81 | 87 | 88 | 85 |
| Wind speed (mph) | 0.9 | 1.0 | 0.9 | 0.9 | 0.9 | 0.9 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.