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Koidu Weather by Month
Average temperatures, rainfall and humidity for Koidu, Sierra Leone, month by month, built from OpenWeather's historical records. Use it to see what a typical Koidu month looks like before you travel — then check the live Koidu forecast for the days ahead.
Warmest month
February
36°C average high
Coolest month
January
21°C average low
Wettest month
July
331 mm of rain
Driest month
February
21 mm of rain
Average temperature and rainfall in Koidu by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 34°C | 21°C | 16°C / 39°C | 53 mm | 63% | 6 km/h |
| February | 36°C | 22°C | 16°C / 42°C | 21 mm | 64% | 7 km/h |
| March | 36°C | 23°C | 19°C / 42°C | 61 mm | 69% | 7 km/h |
| April | 35°C | 23°C | 21°C / 43°C | 115 mm | 76% | 6 km/h |
| May | 32°C | 23°C | 21°C / 41°C | 182 mm | 85% | 6 km/h |
| June | 29°C | 22°C | 20°C / 35°C | 214 mm | 92% | 6 km/h |
| July | 26°C | 22°C | 19°C / 32°C | 331 mm | 95% | 6 km/h |
| August | 26°C | 22°C | 18°C / 32°C | 287 mm | 96% | 6 km/h |
| September | 27°C | 22°C | 19°C / 34°C | 269 mm | 95% | 6 km/h |
| October | 30°C | 22°C | 20°C / 35°C | 201 mm | 91% | 5 km/h |
| November | 31°C | 22°C | 19°C / 35°C | 137 mm | 85% | 5 km/h |
| December | 33°C | 21°C | 16°C / 37°C | 66 mm | 68% | 5 km/h |
Best time to visit Koidu
The most comfortable time to visit Koidu is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around July, totalling about 1938 mm a year.
Travellers who prefer heat should aim for February, when highs average 36°C. July is the month to avoid if rain would spoil your plans — it averages 331 mm, roughly 16× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Koidu forecast for what is happening now.