Climate averages 1991–2020
Oyem weather
in August.
A warm, wet month: the joint 9th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Oyem: daytime highs average 27.4°C and nights cool to about 20.0°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 117 mm of rain on roughly 21 days, which makes August a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average August day.
The nearest other city in this atlas is Ciudad de la Paz (84 km away). In August its highs average 26.9°C, 0.6°C cooler than Oyem, with 139 mm of rain.
Among the 6 cities listed in Gabon, Oyem ranks joint 4th of 6 for the warmest August highs and 6th of 6 for the driest August (rainfall, lowest first). The mean August high of those 6 cities is 28.0°C; Oyem is 0.6°C cooler than that mean.
From August to September, average highs rise by 0.1°C to 27.5°C, and monthly rainfall rises from 117 mm to 223 mm.
The annual picture
August 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
Oyem climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C20.3°C | 20.3°C | 84 | 16.4 | 12.012 h |
| February | 29.0°C20.5°C | 20.5°C | 113 | 17.2 | 12.112 h |
| March | 28.8°C20.6°C | 20.6°C | 200 | 25.4 | 12.112 h |
| April | 28.8°C20.7°C | 20.7°C | 226 | 26.4 | 12.112 h |
| May | 28.3°C20.6°C | 20.6°C | 185 | 26.9 | 12.212 h |
| June | 27.6°C20.2°C | 20.2°C | 143 | 22.7 | 12.212 h |
| July | 27.2°C19.8°C | 19.8°C | 119 | 20.4 | 12.212 h |
| August, selected | 27.4°C20.0°C | 20.0°C | 117 | 20.6 | 12.212 h |
| September | 27.5°C20.1°C | 20.1°C | 223 | 27.2 | 12.112 h |
| October | 27.2°C20.1°C | 20.1°C | 261 | 29.1 | 12.112 h |
| November | 27.4°C19.9°C | 19.9°C | 232 | 27.3 | 12.012 h |
| December | 28.3°C20.1°C | 20.1°C | 116 | 20.4 | 12.012 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
August in nearby cities
- Ciudad de la Paz in AugustEquatorial Guinea · 84 kmHigh 26.9°C · Low 19.8°C · 139 mm rain
- Ébolowa in AugustCameroon · 152 kmHigh 26.8°C · Low 20.2°C · 151 mm rain
- Sangmélima in AugustCameroon · 155 kmHigh 27.7°C · Low 20.1°C · 128 mm rain
- Bata in AugustEquatorial Guinea · 204 kmHigh 26.8°C · Low 22.7°C · 96 mm rain
- Mbalmayo in AugustCameroon · 213 kmHigh 26.9°C · Low 20.1°C · 110 mm rain
- Kribi in AugustCameroon · 238 kmHigh 25.8°C · Low 23.2°C · 275 mm rain
- Yaoundé in AugustCameroon · 252 kmHigh 26.3°C · Low 20.1°C · 121 mm rain
- Libreville in AugustGabon · 272 kmHigh 27.4°C · Low 22.8°C · 35 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 Oyem) is explained once on the Oyem year overview and on the Sources, method and limits page.