Climate averages 1991–2020
Freetown weather
in August.
A warm, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Freetown: daytime highs average 25.9°C and nights cool to about 23.9°C. By daytime temperature it is the coolest month of the year.
Expect about 751 mm of rain on roughly 30 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average August day.
The nearest other city in this atlas is Conakry (127 km away). In August its highs average 26.5°C, 0.7°C warmer than Freetown, with 864 mm of rain.
Among the 5 cities listed in Sierra Leone, Freetown ranks 5th of 5 for the warmest August highs and 5th of 5 for the driest August (rainfall, lowest first). The mean August high of those 5 cities is 26.8°C; Freetown is 0.9°C cooler than that mean.
From August to September, average highs rise by 0.6°C to 26.4°C, and monthly rainfall falls from 751 mm to 479 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Freetown climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C25.4°C | 25.4°C | 9.9 | 2.3 | 11.712 h |
| February | 27.5°C25.4°C | 25.4°C | 6.0 | 1.4 | 11.912 h |
| March | 27.5°C25.6°C | 25.6°C | 8.7 | 2.4 | 12.112 h |
| April | 27.7°C25.9°C | 25.9°C | 21 | 5.2 | 12.312 h |
| May | 27.9°C25.6°C | 25.6°C | 159 | 21.4 | 12.513 h |
| June | 27.2°C24.5°C | 24.5°C | 397 | 29.1 | 12.613 h |
| July | 26.2°C23.9°C | 23.9°C | 683 | 30.2 | 12.613 h |
| August, selected | 25.9°C23.9°C | 23.9°C | 751 | 29.9 | 12.412 h |
| September | 26.4°C23.9°C | 23.9°C | 479 | 28.6 | 12.212 h |
| October | 27.2°C24.3°C | 24.3°C | 232 | 28.1 | 11.912 h |
| November | 27.8°C25.1°C | 25.1°C | 98 | 20.6 | 11.712 h |
| December | 28.1°C25.9°C | 25.9°C | 27 | 7.4 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Conakry in AugustGuinea · 127 kmHigh 26.5°C · Low 23.9°C · 864 mm rain
- Makeni in AugustSierra Leone · 138 kmHigh 27.4°C · Low 22.2°C · 469 mm rain
- Manéah in AugustGuinea · 140 kmHigh 26.9°C · Low 23.0°C · 741 mm rain
- Dubréka in AugustGuinea · 148 kmHigh 27.3°C · Low 23.2°C · 741 mm rain
- Bo in AugustSierra Leone · 175 kmHigh 27.2°C · Low 21.8°C · 476 mm rain
- Kindia in AugustGuinea · 179 kmHigh 26.6°C · Low 21.3°C · 461 mm rain
- Kenema in AugustSierra Leone · 235 kmHigh 27.1°C · Low 21.7°C · 413 mm rain
- Mamou in AugustGuinea · 245 kmHigh 25.6°C · Low 19.9°C · 414 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Freetown) is explained once on the Freetown year overview and on the Sources, method and limits page.