Porto-Novo weather by month
Warmest month
January
33°C average high
Coolest month
August
23°C average low
Wettest month
June
72 mm of rain
Driest month
February
7 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 | 7 mm | 72% | 11 km/h |
| February | 33°C | 26°C | 23°C / 36°C | 7 mm | 78% | 13 km/h |
| March | 32°C | 26°C | 23°C / 37°C | 22 mm | 77% | 15 km/h |
| April | 33°C | 26°C | 23°C / 35°C | 22 mm | 76% | 15 km/h |
| May | 32°C | 25°C | 22°C / 34°C | 37 mm | 80% | 12 km/h |
| June | 30°C | 25°C | 22°C / 33°C | 72 mm | 83% | 14 km/h |
| July | 28°C | 24°C | 22°C / 31°C | 52 mm | 84% | 16 km/h |
| August | 28°C | 23°C | 21°C / 31°C | 37 mm | 84% | 15 km/h |
| September | 29°C | 24°C | 22°C / 31°C | 65 mm | 85% | 14 km/h |
| October | 30°C | 25°C | 23°C / 32°C | 45 mm | 84% | 11 km/h |
| November | 32°C | 25°C | 23°C / 35°C | 29 mm | 80% | 11 km/h |
| December | 33°C | 25°C | 21°C / 36°C | 7 mm | 74% | 11 km/h |
Frost and snow-likely months in Porto-Novo
No month in Porto-Novo averages a night of 2°C or below. The coldest month is August with an average low of 23°C and a record low of 21°C, so frost is rare and snow is very unlikely.
These records carry temperature and precipitation, not snowfall totals.
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 402 mm a year.
Travellers who prefer heat should aim for January, when highs average 33°C. June is the month to avoid if rain would spoil your plans — it averages 72 mm, roughly 11× the rainfall of the driest month (February).
Porto-Novo climate: your questions
Does it snow a lot in Porto-Novo?
No: the coldest month in Porto-Novo is August with an average low of 23°C and a record low of 21°C, so snow is very unlikely. What is falling now: Porto-Novo weather today.
Which months are best for visiting Porto-Novo?
July to September are the most comfortable months in Porto-Novo, with highs near 29°C. January is the warmest month, averaging 33°C by day; June is the wettest, with 72 mm; and August is the coolest, with lows near 23°C. What it is doing today: Porto-Novo weather today.
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.
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