Climate almanac
Saint-Denis
Reunion, Reunion · -20.88°, 55.45°
What is the climate like in Saint-Denis?
The best time to visit Saint-Denis is typically May – October, with trip comfort peaking in September (7.9/10). Saint-Denis is warmest in January, when daily highs average 79°F (26°C), and coolest in August, when lows fall to about 61°F (16°C). The wettest month is typically January and the driest is September; the year sees roughly 57 in (1452 mm) of precipitation.
- Best time to visitMay – October — comfort peaks in September (7.9/10)
- Warmest monthJanuary — average high 79°F (26°C)
- Coolest monthAugust — average low 61°F (16°C)
- Wettest monthJanuary (11 in (270 mm))
- Driest monthSeptember (1.6 in (41 mm))
- Annual precipitation57 in (1452 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSt Denis Gillot, 6 km away (1973-2025)