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Porto-Novo Weather by Month
Average temperatures, rainfall and humidity for Porto-Novo, Benin, month by month, built from OpenWeather's historical records. Use it to see what a typical Porto-Novo month looks like before you travel — then check the live Porto-Novo forecast for the days ahead.
Warmest month
February
33°C average high
Coolest month
August
23°C average low
Wettest month
June
74 mm of rain
Driest month
January
6 mm of rain
Average temperature and rainfall in Porto-Novo by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 33°C | 24°C | 15°C / 37°C | 6 mm | 74% | 11 km/h |
| February | 33°C | 26°C | 18°C / 37°C | 11 mm | 77% | 13 km/h |
| March | 33°C | 26°C | 21°C / 37°C | 24 mm | 77% | 15 km/h |
| April | 32°C | 26°C | 22°C / 36°C | 19 mm | 77% | 14 km/h |
| May | 32°C | 26°C | 22°C / 38°C | 35 mm | 80% | 12 km/h |
| June | 30°C | 24°C | 21°C / 33°C | 74 mm | 84% | 13 km/h |
| July | 28°C | 24°C | 22°C / 31°C | 52 mm | 85% | 16 km/h |
| August | 28°C | 23°C | 21°C / 32°C | 36 mm | 85% | 16 km/h |
| September | 29°C | 24°C | 22°C / 32°C | 68 mm | 86% | 14 km/h |
| October | 30°C | 24°C | 22°C / 35°C | 47 mm | 84% | 11 km/h |
| November | 32°C | 25°C | 22°C / 35°C | 32 mm | 80% | 11 km/h |
| December | 33°C | 25°C | 19°C / 37°C | 7 mm | 74% | 11 km/h |
Best time to visit Porto-Novo
The most comfortable time to visit Porto-Novo is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around June, totalling about 410 mm a year.
Travellers who prefer heat should aim for February, when highs average 33°C. June is the month to avoid if rain would spoil your plans — it averages 74 mm, roughly 12× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Porto-Novo forecast for what is happening now.