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Greenville, Liberia climate
Af Tropical rainforest
Greenville has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is February with an average daily high near 86°F, while the coldest is July averaging around 73°F at night. Around 104 inches of precipitation falls each year, peaking in September (14.9 inches) and easing off in January (4.3 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)Greenville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 86 | 85 | 84 | 82 | 80 | 80 | 81 | 82 | 83 | 84 |
| Avg temp (°F) | 81 | 82 | 81 | 81 | 80 | 78 | 77 | 77 | 78 | 79 | 80 | 80 |
| Avg low (°F) | 76 | 77 | 77 | 77 | 77 | 75 | 73 | 73 | 74 | 75 | 76 | 76 |
| Precipitation (in) | 4.3 | 5.1 | 6.6 | 7.5 | 12.3 | 13.8 | 8.7 | 9.2 | 14.9 | 9.5 | 6.8 | 5.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 86 | 85 | 84 | 82 |
| Avg temp (°F) | 81 | 82 | 81 | 81 | 80 | 78 |
| Avg low (°F) | 76 | 77 | 77 | 77 | 77 | 75 |
| Precipitation (in) | 4.3 | 5.1 | 6.6 | 7.5 | 12.3 | 13.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 80 | 81 | 82 | 83 | 84 |
| Avg temp (°F) | 77 | 77 | 78 | 79 | 80 | 80 |
| Avg low (°F) | 73 | 73 | 74 | 75 | 76 | 76 |
| Precipitation (in) | 8.7 | 9.2 | 14.9 | 9.5 | 6.8 | 5.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 2 | 3 | 1 | 0.1 | — | — | — | — | — | — | 0.0 | 0.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 2 | 3 | 1 | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 61 | 69 | 73 | 77 | 80 | 77 | 80 | 82 | 75 | 68 | 55 |
| Relative humidity (%) | 78 | 80 | 83 | 85 | 86 | 86 | 85 | 84 | 86 | 86 | 86 | 82 |
| Wind speed (mph) | 4.6 | 5.2 | 5.2 | 5.1 | 5.7 | 7.2 | 7.7 | 8.0 | 7.7 | 6.6 | 5.4 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 61 | 69 | 73 | 77 | 80 |
| Relative humidity (%) | 78 | 80 | 83 | 85 | 86 | 86 |
| Wind speed (mph) | 4.6 | 5.2 | 5.2 | 5.1 | 5.7 | 7.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 80 | 82 | 75 | 68 | 55 |
| Relative humidity (%) | 85 | 84 | 86 | 86 | 86 | 82 |
| Wind speed (mph) | 7.7 | 8.0 | 7.7 | 6.6 | 5.4 | 4.4 |
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.