Saint-Denis (Réunion) weather by month & the best time to visit
Réunion · beach resort · tropical — wet & dry seasons climate
The best time to visit Saint-Denis (Réunion) is July — its sunniest month (Sunshine Score 92/100), with August and September close behind. Saint-Denis (Réunion) averages about 3,187 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 31 mm of rain in July.
When is the best time to visit Saint-Denis (Réunion)?
For sunshine, the best time to visit Saint-Denis (Réunion) is July, then August and September. The dullest month is January (72/100, 140 mm of rain). The full month-by-month picture is in the table below.
How sunny is Saint-Denis (Réunion)?
Saint-Denis (Réunion) is one of the sunniest places on Earth: about 3,187 hours of sunshine a year. July (92/100) is noticeably better than January (72). It is the only destination Sunshine Atlas tracks in Réunion. Rain has a clear season: the wettest stretch, around February, carries about 50% of the annual 794 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 72 | 30° / 86°F | 26° / 79°F | 140 mm | 13 | 29° / 84°F |
| February | 77 | 30° / 86°F | 26° / 79°F | 114 mm | 13 | 28° / 82°F |
| March | 72 | 29° / 84°F | 26° / 79°F | 143 mm | 11 | 28° / 82°F |
| April | 84 | 28° / 82°F | 25° / 77°F | 77 mm | 9 | 28° / 82°F |
| May | 88 | 27° / 81°F | 23° / 73°F | 53 mm | 7 | 27° / 81°F |
| June | 91 | 25° / 77°F | 21° / 70°F | 37 mm | 6 | 25° / 77°F |
| July | 92 | 24° / 75°F | 21° / 70°F | 31 mm | 6 | 25° / 77°F |
| August | 92 | 24° / 75°F | 20° / 68°F | 31 mm | 8 | 25° / 77°F |
| September | 92 | 25° / 77°F | 21° / 70°F | 33 mm | 9 | 25° / 77°F |
| October | 92 | 26° / 79°F | 22° / 72°F | 34 mm | 11 | 25° / 77°F |
| November | 90 | 28° / 82°F | 23° / 73°F | 46 mm | 12 | 26° / 79°F |
| December | 88 | 30° / 86°F | 25° / 77°F | 55 mm | 13 | 27° / 81°F |
Sea temperature in Saint-Denis (Réunion) by month
The sea off Saint-Denis (Réunion) is warmest in January at around 29°C / 84°F, and coolest in June at 25°C / 77°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Saint-Denis (Réunion) compares month by month: Saint-Denis (Réunion) vs Antananarivo · Saint-Denis (Réunion) vs Dzaoudzi · Saint-Denis (Réunion) vs Plaine Magnien · all comparisons
Saint-Denis (Réunion): questions and answers
What kind of destination is Saint-Denis (Réunion)?
Saint-Denis (Réunion) is a beach resort in Réunion with a tropical — wet & dry seasons climate — the sea reaches 29°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Saint-Denis (Réunion) get a year?
Saint-Denis (Réunion) gets about 3,187 hours of sunshine a year, at its best around July.
When is the best time to visit Saint-Denis (Réunion)?
The sunniest time to visit Saint-Denis (Réunion) is July, when the Sunshine Score peaks at 92/100 (with August and September close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Saint-Denis (Réunion)?
January is the least sunny month in Saint-Denis (Réunion), scoring 72/100 with about 140 mm of rain.
What is the sea temperature in Saint-Denis (Réunion)?
The sea in Saint-Denis (Réunion) ranges from about 25°C (June) to 29°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Saint-Denis (Réunion)?
The typical midday UV index in Saint-Denis (Réunion) peaks around 13 (extreme) in January, easing to about 6 (high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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