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.
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- Sun hours / year
- 3,187
- Sunniest month
- July
- Peak score
- 92/100
- Rain / year
- 794 mm
- Midday UV at peak
- 13 (extreme)
- Sea at warmest
- 29°C / 84°F
- Population
- 34k
- Elevation
- 16 m
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 Map 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.
See Saint-Denis (Réunion) on the interactive sunshine globe →
Nearby places for sunshine
- Plaine Magnien Mauritius · 231 km · best in Jul · 2,985 h sun/yr
- Antananarivo Madagascar · 872 km · best in Sep · 2,966 h sun/yr
- Dzaoudzi Mayotte · 1,411 km · best in Aug · 3,007 h sun/yr
- Moroni Comoros · 1,669 km · best in Aug · 3,029 h sun/yr
- Victoria (Seychelles) Seychelles · 1,803 km · best in Jul · 2,943 h sun/yr
- Dar es Salaam Tanzania · 2,347 km · best in Jul · 2,837 h sun/yr
Nearest destinations
- Toamasina Madagascar · 712 km · 2,588 h sun/yr · best in Sep
- Île Sainte-Marie Madagascar · 733 km · 2,398 h sun/yr · best in Sep
- Mananjary Madagascar · 744 km · 2,716 h sun/yr · best in Sep
- Port Mathurin Mauritius · 827 km · 3,223 h sun/yr · best in Aug
- Maroantsetra Madagascar · 864 km · 2,206 h sun/yr · best in Sep
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
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