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Weather & Climate
Bo, Southern, Sierra Leone
Overview
Climate data and monthly weather averages for Bo.
Key Metrics
Annual Avg
26.6°C
Summer Avg
25.2°C
Winter Avg
26.6°C
Record High
41.9°C
Record Low
13.7°C
Annual Precipitation
1938.3 mm
Avg Humidity
79%
Summer Humidity
88%
Winter Humidity
70%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 39.6° | 26.1° | 13.7° | 0.6 | 68% | 156 | 29.5 |
| Feb | 41.9° | 27.9° | 15° | 6.2 | 67% | 147 | 30.5 |
| Mar | 41.7° | 29.2° | 18° | 14.6 | 65% | 164 | 26.9 |
| Apr | 41.6° | 29.3° | 21.7° | 38.7 | 67% | 156 | 25 |
| May | 39.9° | 28.1° | 21.8° | 118.1 | 76% | 148 | 24.7 |
| Jun | 37.2° | 26.2° | 21.2° | 319.5 | 85% | 125 | 47.7 |
| Jul | 35° | 24.9° | 19.8° | 405.8 | 89% | 117 | 32.3 |
| Aug | 33.4° | 24.6° | 19.6° | 440.2 | 90% | 114 | 33.3 |
| Sep | 34.8° | 25.1° | 20° | 348.3 | 90% | 126 | 31.8 |
| Oct | 34.8° | 25.7° | 20.6° | 186.3 | 89% | 148 | 40.8 |
| Nov | 37.5° | 26.2° | 18.3° | 52.2 | 84% | 137 | 21.6 |
| Dec | 41.1° | 25.9° | 13.7° | 7.8 | 75% | 144 | 29.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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