Best time to visit
Best Time to Visit Porto-Novo
Porto-Novo has a tropical savanna climate: warm all year, with a clear dry season and a rainy season. The warmest month is February, with highs around 31°C; the coolest is August, when nights average 23°C. June is usually the wettest month (about 204 mm).
The best time to visit Porto-Novo is January, August and December, when average highs are 27–30°C and rainfall is around 40 mm a month.
At a glance
When to go to Porto-Novo, season by season
December – February
Best time30° / 24°C · 28 mm
Pleasant temperatures and relatively little rain: the best window for sightseeing and time outdoors.
March – May
Rainy30° / 26°C · 126 mm
The wettest part of the year. Showers are likely, so pack a rain jacket and keep plans flexible.
June – August
Rainy28° / 24°C · 145 mm
The wettest part of the year. Showers are likely, so pack a rain jacket and keep plans flexible.
Porto-Novo climate table: temperature and rain by month
Average highs, lows, rainfall and humidity in Porto-Novo (10-year averages).
| Month | High | Low | Rain | Humidity |
|---|---|---|---|---|
| January | 30°C | 24°C | 22 mm | 77% |
| February | 31°C | 25°C | 40 mm | 81% |
| March | 30°C | 26°C | 90 mm | 85% |
| April | 30°C | 26°C | 107 mm | 85% |
| May | 29°C | 26°C | 182 mm | 86% |
| June | 28°C | 25°C | 204 mm | 88% |
| July | 27°C | 24°C | 153 mm | 89% |
| August | 27°C | 23°C | 78 mm | 88% |
| September | 28°C | 24°C | 198 mm | 89% |
| October | 28°C | 24°C | 183 mm | 88% |
| November | 29°C | 25°C | 63 mm | 85% |
| December | 30°C | 24°C | 21 mm | 78% |
Why is January a good time to visit Porto-Novo?
- It's one of the drier months, with about 80% less rain than Porto-Novo's average.
- January is Porto-Novo's second warmest month.
- January sits in Porto-Novo's drier season — usually a comfortable time to visit.
Frequently asked questions
- When is the best time to visit Porto-Novo?
- For pleasant, fairly dry weather, go to Porto-Novo in January, August and December. Average highs are then 27–30°C.
- Why is January a good time to visit Porto-Novo?
- In January, Porto-Novo averages 30°C by day and 24°C at night, with about 22 mm of rain and 32% cloud cover: warm enough to be outdoors without the peak heat or the wettest weather.
- What is the warmest month in Porto-Novo?
- February is the warmest month in Porto-Novo, with average highs of 31°C and lows of 25°C.
- What is the coldest month in Porto-Novo?
- July is the coldest month in Porto-Novo: average highs of 27°C, dropping to 24°C at night.
- When does it rain the most in Porto-Novo?
- June is the wettest month in Porto-Novo with about 204 mm of rain. The driest is December, with around 21 mm.
- When is the worst time to visit Porto-Novo?
- June is the least reliable month in Porto-Novo, with around 204 mm of rain. Bring a rain jacket and keep a flexible plan.
- Is the shoulder season a good time to visit Porto-Novo?
- Yes. November sits just outside the best months for Porto-Novo, with average highs of 29°C and about 63 mm of rain a month. Weather-wise, it is a good alternative to the peak months.
- How can I check the weather in Porto-Novo before I travel?
- Compare the live forecast for Porto-Novo from three independent weather services on WeatherCompare. When they agree, the forecast is more reliable.
Climate averages: NASA POWER / ERA5 (2011–2020), 10-year averages.