Climate averages 1991–2020
Bo 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 Bo: daytime highs average 33.9°C and nights cool to about 23.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 56 mm of rain on roughly 11 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 (61 km away). In March its highs average 33.2°C, 0.7°C cooler than Bo, with 58 mm of rain.
Among the 5 cities listed in Sierra Leone, Bo ranks 2nd of 5 for the warmest March highs and 3rd of 5 for the driest March (rainfall, lowest first). The mean March high of those 5 cities is 32.7°C; Bo is 1.2°C warmer than that mean.
From March to April, average highs fall by 1.7°C to 32.2°C, and monthly rainfall rises from 56 mm to 120 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
Bo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.1°C21.9°C | 21.9°C | 17 | 3.7 | 11.712 h |
| February | 34.3°C22.9°C | 22.9°C | 20 | 4.7 | 11.912 h |
| March, selected | 33.9°C23.6°C | 23.6°C | 56 | 11.4 | 12.112 h |
| April | 32.2°C23.6°C | 23.6°C | 120 | 18.0 | 12.312 h |
| May | 30.4°C23.2°C | 23.2°C | 246 | 27.0 | 12.512 h |
| June | 29.0°C22.4°C | 22.4°C | 333 | 28.9 | 12.613 h |
| July | 27.7°C21.9°C | 21.9°C | 396 | 29.1 | 12.513 h |
| August | 27.2°C21.8°C | 21.8°C | 476 | 29.4 | 12.412 h |
| September | 28.1°C21.9°C | 21.9°C | 433 | 29.3 | 12.212 h |
| October | 28.8°C22.1°C | 22.1°C | 245 | 29.2 | 12.012 h |
| November | 29.4°C22.3°C | 22.3°C | 103 | 19.3 | 11.812 h |
| December | 30.8°C22.2°C | 22.2°C | 26 | 6.4 | 11.712 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 · 61 kmHigh 33.2°C · Low 23.6°C · 58 mm rain
- Makeni in MarchSierra Leone · 108 kmHigh 35.7°C · Low 24.3°C · 24 mm rain
- Koidu in MarchSierra Leone · 113 kmHigh 33.1°C · Low 23.1°C · 63 mm rain
- Freetown in MarchSierra Leone · 175 kmHigh 27.5°C · Low 25.6°C · 8.7 mm rain
- Gueckedou in MarchGuinea · 189 kmHigh 32.5°C · Low 23.0°C · 79 mm rain
- Monrovia in MarchLiberia · 212 kmHigh 29.4°C · Low 24.6°C · 161 mm rain
- Kissidougou in MarchGuinea · 226 kmHigh 33.9°C · Low 22.7°C · 63 mm rain
- Faranah in MarchGuinea · 255 kmHigh 36.3°C · Low 23.7°C · 16 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 Bo) is explained once on the Bo year overview and on the Sources, method and limits page.