Porto-Novo Weather History
Benin · Africa · Weather data 1976–today
Porto-Novo sits 709km from the equator, 38m above sea level. That combination gives it a hot climate with one clear dry season (Tropical savanna climate). Its record high is 32.5°C, set 2024-03-28, its record low 20.8°C, set 2015-01-12.
Data through September 20, 2026.
Frequently asked questions about the weather in Porto-Novo
What is the hottest temperature ever recorded in Porto-Novo?
The highest temperature in this record for Porto-Novo is 32.5°C, measured on 2024-03-28. That is a recorded daily value from Porto-Novo's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Porto-Novo?
The lowest temperature in this record for Porto-Novo is 20.8°C, measured on 2015-01-12. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Porto-Novo get a year?
Porto-Novo averages 1346mm of precipitation a year, spread across roughly 231 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Porto-Novo?
On 2019-10-02, 142.4mm fell on Porto-Novo, the highest single-day total in this series. For scale, that is roughly 11% of what the city receives in an average full year, in one day.
How many hours of sunshine does Porto-Novo get a year?
Porto-Novo averages 3633 sunshine hours a year, which works out to about 10.0 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Porto-Novo?
Across the summer months Porto-Novo averages a daytime high near 26.6°C, while winter nights average 25.6°C. The seasons here are set from Porto-Novo's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Porto-Novo?
The strongest wind speed recorded in Porto-Novo is 26 km/h, on 2025-07-12. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
