Climate averages 1991–2020
Libreville weather
in December.
A hot, very wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Libreville: daytime highs average 28.4°C and nights cool to about 23.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 316 mm of rain on roughly 30 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average December day.
The nearest other city in this atlas is Owendo (13 km away). In December its highs average 28.9°C, 0.6°C warmer than Libreville, with 310 mm of rain.
Among the 6 cities listed in Gabon, Libreville ranks 4th of 6 for the warmest December highs and 6th of 6 for the driest December (rainfall, lowest first). The mean December high of those 6 cities is 28.7°C; Libreville is 0.3°C cooler than that mean.
From December to January, average highs rise by 0.3°C to 28.6°C, and monthly rainfall falls from 316 mm to 250 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
Libreville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C23.9°C | 23.9°C | 250 | 29.1 | 12.112 h |
| February | 29.0°C24.3°C | 24.3°C | 218 | 25.9 | 12.112 h |
| March | 29.4°C24.5°C | 24.5°C | 270 | 28.8 | 12.112 h |
| April | 29.3°C24.6°C | 24.6°C | 261 | 27.4 | 12.112 h |
| May | 28.8°C24.4°C | 24.4°C | 244 | 26.6 | 12.112 h |
| June | 27.5°C23.3°C | 23.3°C | 82 | 12.4 | 12.112 h |
| July | 27.1°C22.5°C | 22.5°C | 33 | 6.8 | 12.112 h |
| August | 27.4°C22.8°C | 22.8°C | 35 | 8.2 | 12.112 h |
| September | 27.6°C23.4°C | 23.4°C | 151 | 21.4 | 12.112 h |
| October | 27.7°C23.6°C | 23.6°C | 358 | 30.2 | 12.112 h |
| November | 28.2°C23.6°C | 23.6°C | 393 | 29.6 | 12.112 h |
| December, selected | 28.4°C23.7°C | 23.7°C | 316 | 30.2 | 12.112 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
- Owendo in DecemberGabon · 13 kmHigh 28.9°C · Low 23.2°C · 310 mm rain
- Port-Gentil in DecemberGabon · 144 kmHigh 28.1°C · Low 23.9°C · 262 mm rain
- Bata in DecemberEquatorial Guinea · 167 kmHigh 28.3°C · Low 23.4°C · 213 mm rain
- Ciudad de la Paz in DecemberEquatorial Guinea · 203 kmHigh 27.8°C · Low 20.0°C · 172 mm rain
- Oyem in DecemberGabon · 272 kmHigh 28.3°C · Low 20.1°C · 116 mm rain
- Kribi in DecemberCameroon · 287 kmHigh 27.7°C · Low 24.4°C · 136 mm rain
- São Tomé in DecemberSao Tome and Principe · 303 kmHigh 26.5°C · Low 24.6°C · 174 mm rain
- Ébolowa in DecemberCameroon · 337 kmHigh 28.4°C · Low 21.0°C · 85 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 Libreville) is explained once on the Libreville year overview and on the Sources, method and limits page.