Climate averages 1991–2020
Koidu weather
in March.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Koidu: daytime highs average 33.1°C and nights cool to about 23.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 63 mm of rain on roughly 10 days, which makes March a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average March day.
The nearest other city in this atlas is Kenema (89 km away). In March its highs average 33.2°C, about as warm as Koidu, with 58 mm of rain.
Among the 5 cities listed in Sierra Leone, Koidu ranks 4th of 5 for the warmest March highs and 5th of 5 for the driest March (rainfall, lowest first). The mean March high of those 5 cities is 32.7°C; Koidu is 0.5°C warmer than that mean.
From March to April, average highs fall by 1.9°C to 31.3°C, and monthly rainfall rises from 63 mm to 105 mm.
The annual picture
March 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
Koidu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.1°C20.4°C | 20.4°C | 11 | 2.4 | 11.712 h |
| February | 33.6°C21.9°C | 21.9°C | 14 | 2.9 | 11.812 h |
| March, selected | 33.1°C23.1°C | 23.1°C | 63 | 10.3 | 12.112 h |
| April | 31.3°C23.2°C | 23.2°C | 105 | 15.7 | 12.312 h |
| May | 29.4°C22.7°C | 22.7°C | 235 | 25.4 | 12.513 h |
| June | 28.1°C21.9°C | 21.9°C | 335 | 28.0 | 12.613 h |
| July | 26.7°C21.2°C | 21.2°C | 369 | 29.3 | 12.613 h |
| August | 26.3°C21.1°C | 21.1°C | 419 | 29.7 | 12.412 h |
| September | 27.3°C21.4°C | 21.4°C | 422 | 28.8 | 12.212 h |
| October | 28.2°C21.4°C | 21.4°C | 322 | 29.5 | 11.912 h |
| November | 28.5°C21.5°C | 21.5°C | 129 | 16.4 | 11.712 h |
| December | 29.9°C20.6°C | 20.6°C | 16 | 3.1 | 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
March in nearby cities
- Kenema in MarchSierra Leone · 89 kmHigh 33.2°C · Low 23.6°C · 58 mm rain
- Gueckedou in MarchGuinea · 93 kmHigh 32.5°C · Low 23.0°C · 79 mm rain
- Kissidougou in MarchGuinea · 113 kmHigh 33.9°C · Low 22.7°C · 63 mm rain
- Bo in MarchSierra Leone · 113 kmHigh 33.9°C · Low 23.6°C · 56 mm rain
- Makeni in MarchSierra Leone · 121 kmHigh 35.7°C · Low 24.3°C · 24 mm rain
- Faranah in MarchGuinea · 157 kmHigh 36.3°C · Low 23.7°C · 16 mm rain
- Mamou in MarchGuinea · 228 kmHigh 34.6°C · Low 20.8°C · 11 mm rain
- Gbarnga in MarchLiberia · 247 kmHigh 31.2°C · Low 23.3°C · 97 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 Koidu) is explained once on the Koidu year overview and on the Sources, method and limits page.