Climate Chart Saint-Denis – 20m / 66ft
Réunion has a tropical monsoon climate with two distinct seasons: a hot and humid Wet season from December to April (Summer), and a warm, drier season from May to November (Winter). There is a chance of cyclones from January to March.
Saint-Denis' climate compared to the rest of the country
Saint-Denis is located on the north coast. The south coast of Réunion tends to be windier, especially in the Dry season. The eastern region sees the highest rainfall and the mountainous interior of Réunion is much colder than the coast; expect an average low in winter of 4°C/39°F and a high of 15°C/59°F.
Dry Season –May to November – Winter
Although it is mostly dry, it can still rain anytime. It is very warm on the coast but the humidity is lower than in the Wet season.
Wet Season –December to April – Summer
December to April sees a lot of rain. January to March are cyclone months and not ideal for visiting.