Bo Climate by Month
Bo, Southern Province, Sierra Leone
Hot all year, with a rainy season from June to September.
The climate in Bo is hot all year, with a rainy season from June to September. March is the warmest month, with highs around 95°F (35°C); August is the coolest at 85°F (29°C), and nights dip to 67°F (20°C). Of the 94 in (2395 mm) of rain in a typical year, 71% falls from June to September.
- Warmest month
- 95°F(35°C)
- Average high, March
- Coldest nights
- 67°F(20°C)
- Average low, January
- Rain per year
- 94 in(2395 mm)
- Wettest: August
- Humidity
- 76%
- Sunniest: March
Best and worst months in Bo
Best for weatherDecember and January are the best time for weather in Bo: highs near 91°F (33°C) and almost no rain.
Least pleasantAugust and September are the least pleasant; August is the wettest, with 20 in (512 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Bo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 92°F(33°C) | 67°F(20°C) | 0.2 in(6 mm) | 70% | 4.9 |
| FebFebruary | 94°F(34°C) | 69°F(21°C) | 0.5 in(12 mm) | 68% | 5.3 |
| MarMarch | 95°F(35°C) | 71°F(22°C) | 1.7 in(44 mm) | 68% | 5.3 |
| AprApril | 94°F(34°C) | 72°F(22°C) | 3.3 in(83 mm) | 71% | 5.2 |
| MayMay | 92°F(33°C) | 72°F(22°C) | 7.4 in(187 mm) | 75% | 4.8 |
| JunJune | 89°F(31°C) | 71°F(22°C) | 12 in(314 mm) | 81% | 4.2 |
| JulJuly | 86°F(30°C) | 71°F(22°C) | 16 in(402 mm) | 82% | 3.6 |
| AugAugust | 85°F(29°C) | 71°F(21°C) | 20 in(512 mm) | 84% | 3.6 |
| SepSeptember | 87°F(31°C) | 71°F(22°C) | 18 in(468 mm) | 79% | 4.0 |
| OctOctober | 89°F(32°C) | 71°F(22°C) | 9.8 in(248 mm) | 81% | 4.7 |
| NovNovember | 90°F(32°C) | 71°F(22°C) | 4.2 in(106 mm) | 79% | 4.7 |
| DecDecemberBest | 91°F(33°C) | 69°F(20°C) | 0.5 in(13 mm) | 72% | 4.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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