Saint-Denis Weather in May

What's the weather like in Saint-Denis (Réunion) in May 2025?

The climate in Saint-Denis during May can be summarized as warm, humid and a little damp.

May is in the fall / autumn in Saint-Denis and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 17°C (62°F) is normal.

Saint-Denis weather averages (imperial / metric)
Daytime temperature 23.7°C 74.6°F
Nightly temperature 16.8°C 62.2°F
Average temperature 20.2°C 68.4°F
Daily sunshine 6.8 hrs
Avg rainfall 97 mm 3.8 ins
Rainy days 15 days
Sea temperature 26.4°C 79.5°F
Humidity 83%
Windspeed 13kph 8 mph

On average May is the 6th wettest month of the year in Saint-Denis with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.8 hours of sunshine per day.

May temperatures in Saint-Denis

Saint-Denis average temperature in May

May rainfall

Saint-Denis average rain in May

May hourly sunshine

Saint-Denis average rain in May

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 Saint-Denis in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Saint-Denis weather stats

Saint-Denis weather statistics
Hottest month: February 26.6°C 79.9°F
Driest month: September 47mm 1.9ins
Sunniest month: May 6.8hrs
Coldest month: August 21.2°C 70.2°F
Wettest month: January 254mm 10ins
Map showing location of Saint-Denis (-20.88231, 55.4504) Saint-Denis map pin © Google