Climate averages 1991–2020
Koidu weather
in October.
A hot, very wet month: the 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Koidu: daytime highs average 28.2°C and nights cool to about 21.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 322 mm of rain on roughly 30 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average October day.
The nearest other city in this atlas is Kenema (89 km away). In October its highs average 28.7°C, 0.5°C warmer than Koidu, with 227 mm of rain.
Among the 5 cities listed in Sierra Leone, Koidu ranks 4th of 5 for the warmest October highs and 5th of 5 for the driest October (rainfall, lowest first). The mean October high of those 5 cities is 28.4°C; Koidu is 0.3°C cooler than that mean.
From October to November, average highs rise by 0.4°C to 28.5°C, and monthly rainfall falls from 322 mm to 129 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Kenema in OctoberSierra Leone · 89 kmHigh 28.7°C · Low 22.1°C · 227 mm rain
- Gueckedou in OctoberGuinea · 93 kmHigh 28.3°C · Low 21.1°C · 282 mm rain
- Kissidougou in OctoberGuinea · 113 kmHigh 28.6°C · Low 20.5°C · 306 mm rain
- Bo in OctoberSierra Leone · 113 kmHigh 28.8°C · Low 22.1°C · 245 mm rain
- Makeni in OctoberSierra Leone · 121 kmHigh 29.3°C · Low 22.5°C · 294 mm rain
- Faranah in OctoberGuinea · 157 kmHigh 29.5°C · Low 21.2°C · 223 mm rain
- Mamou in OctoberGuinea · 228 kmHigh 28.1°C · Low 20.1°C · 199 mm rain
- Gbarnga in OctoberLiberia · 247 kmHigh 28.6°C · Low 22.2°C · 179 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.