The climate in Porto-Novo during May can be summarized as hot, humid and wet.
May is in the spring in Porto-Novo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
|Daytime temperature||31°C 87.8°F|
|Nightly temperature||24°C 75.2°F|
|Average temperature||27.5°C 81.5°F|
|Daily sunshine||7 hrs|
|Avg rainfall||195 mm 7.7 ins|
|Rainy days||13 days|
|Sea temperature||29.1°C 84.4°F|
|Windspeed||10.8kph 7 mph|
On average May is the 2nd wettest month of the year in Porto-Novo with around 195mm 7.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Porto-Novo in May 2023.
|Hottest month:||March||32.2°C 90°F|
|Driest month:||January||19mm 0.7ins|
|Coldest month:||August||27.8°C 82°F|
|Wettest month:||June||334mm 13.1ins|