Climate averages 1991–2020
Port-Gentil weather
in May.
A hot, wet month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Port-Gentil: daytime highs average 28.4°C and nights cool to about 24.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 110 mm of rain on roughly 17 days, which makes May a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average May day.
The nearest other city in this atlas is Owendo (138 km away). In May its highs average 29.4°C, 1.0°C warmer than Port-Gentil, with 224 mm of rain.
Among the 6 cities listed in Gabon, Port-Gentil ranks 5th of 6 for the warmest May highs and 1st of 6 for the driest May (rainfall, lowest first). The mean May high of those 6 cities is 28.9°C; Port-Gentil is 0.5°C cooler than that mean.
From May to June, average highs fall by 1.4°C to 27.0°C, and monthly rainfall falls from 110 mm to 18 mm.
The annual picture
May 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
Port-Gentil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C24.1°C | 24.1°C | 230 | 27.4 | 12.212 h |
| February | 28.9°C24.5°C | 24.5°C | 170 | 22.9 | 12.112 h |
| March | 29.3°C24.8°C | 24.8°C | 176 | 24.0 | 12.112 h |
| April | 29.1°C24.9°C | 24.9°C | 161 | 22.0 | 12.112 h |
| May, selected | 28.4°C24.5°C | 24.5°C | 110 | 17.3 | 12.112 h |
| June | 27.0°C23.0°C | 23.0°C | 18 | 3.8 | 12.112 h |
| July | 26.5°C22.1°C | 22.1°C | 7.8 | 2.2 | 12.112 h |
| August | 26.8°C22.6°C | 22.6°C | 6.9 | 2.2 | 12.112 h |
| September | 27.3°C23.6°C | 23.6°C | 34 | 8.6 | 12.112 h |
| October | 27.4°C24.0°C | 24.0°C | 147 | 23.2 | 12.112 h |
| November | 27.8°C23.8°C | 23.8°C | 275 | 28.0 | 12.112 h |
| December | 28.1°C23.9°C | 23.9°C | 262 | 28.4 | 12.212 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
May in nearby cities
- Owendo in MayGabon · 138 kmHigh 29.4°C · Low 24.0°C · 224 mm rain
- Libreville in MayGabon · 144 kmHigh 28.8°C · Low 24.4°C · 244 mm rain
- São Tomé in MaySao Tome and Principe · 257 kmHigh 26.8°C · Low 25.2°C · 119 mm rain
- Bata in MayEquatorial Guinea · 307 kmHigh 28.7°C · Low 23.9°C · 265 mm rain
- Ciudad de la Paz in MayEquatorial Guinea · 343 kmHigh 28.0°C · Low 20.6°C · 241 mm rain
- Oyem in MayGabon · 404 kmHigh 28.3°C · Low 20.6°C · 185 mm rain
- Kribi in MayCameroon · 425 kmHigh 28.0°C · Low 24.4°C · 281 mm rain
- Ébolowa in MayCameroon · 481 kmHigh 28.3°C · Low 21.2°C · 199 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 Port-Gentil) is explained once on the Port-Gentil year overview and on the Sources, method and limits page.