Climate averages 1991–2020
Mamou weather
in December.
A hot, very dry month: the 5th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Mamou: daytime highs average 30.9°C and nights cool to about 18.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 2.2 mm of rain on fewer than one day, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 32 min on an average December day.
The nearest other city in this atlas is Kindia (92 km away). In December its highs average 32.0°C, 1.1°C warmer than Mamou, with 2.8 mm of rain.
Among the 13 cities listed in Guinea, Mamou ranks 8th of 13 for the warmest December highs and 4th of 13 for the driest December (rainfall, lowest first). The mean December high of those 13 cities is 31.2°C; Mamou is 0.2°C cooler than that mean.
From December to January, average highs rise by 0.9°C to 31.8°C, and monthly rainfall rises from 2.2 mm to 4.0 mm.
The annual picture
December 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
Mamou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.8°C18.0°C | 18.0°C | 4.0 | 0.9 | 11.612 h |
| February | 33.6°C19.2°C | 19.2°C | 2.3 | 0.7 | 11.812 h |
| March | 34.6°C20.8°C | 20.8°C | 11 | 2.5 | 12.112 h |
| April | 33.9°C21.7°C | 21.7°C | 42 | 6.2 | 12.412 h |
| May | 30.8°C21.7°C | 21.7°C | 165 | 19.6 | 12.613 h |
| June | 28.1°C20.8°C | 20.8°C | 282 | 27.4 | 12.713 h |
| July | 26.2°C20.1°C | 20.1°C | 349 | 29.9 | 12.713 h |
| August | 25.6°C19.9°C | 19.9°C | 414 | 30.0 | 12.512 h |
| September | 26.8°C20.0°C | 20.0°C | 334 | 28.2 | 12.212 h |
| October | 28.1°C20.1°C | 20.1°C | 199 | 24.8 | 11.912 h |
| November | 29.6°C19.5°C | 19.5°C | 36 | 5.5 | 11.712 h |
| December, selected | 30.9°C18.1°C | 18.1°C | 2.2 | 0.7 | 11.512 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
December in nearby cities
- Kindia in DecemberGuinea · 92 kmHigh 32.0°C · Low 20.4°C · 2.8 mm rain
- Labé in DecemberGuinea · 107 kmHigh 29.3°C · Low 17.0°C · 1.7 mm rain
- Faranah in DecemberGuinea · 152 kmHigh 32.8°C · Low 19.8°C · 3.0 mm rain
- Manéah in DecemberGuinea · 162 kmHigh 31.1°C · Low 22.4°C · 11 mm rain
- Makeni in DecemberSierra Leone · 166 kmHigh 32.0°C · Low 22.1°C · 13 mm rain
- Dubréka in DecemberGuinea · 170 kmHigh 31.5°C · Low 22.6°C · 11 mm rain
- Conakry in DecemberGuinea · 197 kmHigh 29.7°C · Low 24.2°C · 12 mm rain
- Koidu in DecemberSierra Leone · 228 kmHigh 29.9°C · Low 20.6°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 Mamou) is explained once on the Mamou year overview and on the Sources, method and limits page.