Île Sainte-Marie weather by month & the best time to visit
🇲🇬 Madagascar · beach resort · tropical monsoon climate
The best time to visit Île Sainte-Marie is September — its sunniest month (Sunshine Score 86/100), with October and August close behind. Île Sainte-Marie averages about 2,398 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 39 mm of rain in September.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 2,398
- Sunniest month
- September
- Peak score
- 86/100
- Rain / year
- 1,582 mm
- Midday UV at peak
- 12 (extreme)
- Sea at warmest
- 29°C / 84°F
- Population
- 44k
- Elevation
- Sea level
When is the best time to visit Île Sainte-Marie?
For sunshine, the best time to visit Île Sainte-Marie is September, then October and August. The dullest month is January (65/100, 261 mm of rain). The full month-by-month picture is in the table below.
How sunny is Île Sainte-Marie?
Île Sainte-Marie gets a moderate 2,398 hours of sunshine a year. September (86/100) is noticeably better than January (65). It ranks #15 of 16 destinations in Madagascar for annual sunshine, below the national median of 3,157 hours. Rain has a clear season: the wettest stretch, around February, carries about 49% of the annual 1,582 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 65 | 28° / 82°F | 27° / 81°F | 261 mm | 11 | 29° / 84°F |
| February | 65 | 28° / 82°F | 27° / 81°F | 216 mm | 11 | 28° / 82°F |
| March | 65 | 28° / 82°F | 27° / 81°F | 291 mm | 10 | 29° / 84°F |
| April | 65 | 27° / 81°F | 26° / 79°F | 160 mm | 9 | 28° / 82°F |
| May | 71 | 27° / 81°F | 25° / 77°F | 121 mm | 7 | 27° / 81°F |
| June | 77 | 25° / 77°F | 24° / 75°F | 86 mm | 6 | 25° / 77°F |
| July | 77 | 24° / 75°F | 23° / 73°F | 88 mm | 6 | 25° / 77°F |
| August | 83 | 24° / 75°F | 23° / 73°F | 52 mm | 7 | 25° / 77°F |
| September | 86 | 24° / 75°F | 23° / 73°F | 39 mm | 9 | 25° / 77°F |
| October | 84 | 25° / 77°F | 24° / 75°F | 49 mm | 10 | 26° / 79°F |
| November | 80 | 27° / 81°F | 25° / 77°F | 70 mm | 11 | 27° / 81°F |
| December | 66 | 28° / 82°F | 26° / 79°F | 149 mm | 12 | 28° / 82°F |
Sea temperature in Île Sainte-Marie by month
The sea off Île Sainte-Marie 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 Île Sainte-Marie on the interactive sunshine globe →
Nearby places for sunshine
- Antananarivo Madagascar · 311 km · best in Sep · 2,966 h sun/yr
- Dzaoudzi Mayotte · 681 km · best in Aug · 3,007 h sun/yr
- Saint-Denis (Réunion) Réunion · 733 km · best in Jul · 3,187 h sun/yr
- Plaine Magnien Mauritius · 907 km · best in Jul · 2,985 h sun/yr
- Moroni Comoros · 937 km · best in Aug · 3,029 h sun/yr
- Victoria (Seychelles) Seychelles · 1,514 km · best in Jul · 2,943 h sun/yr
Nearest destinations
- Toamasina Madagascar · 122 km · 2,588 h sun/yr · best in Sep
- Maroantsetra Madagascar · 185 km · 2,206 h sun/yr · best in Sep
- Tsaratanana Madagascar · 237 km · 3,338 h sun/yr · best in Aug
- Sambava Madagascar · 315 km · 2,701 h sun/yr · best in Sep
- Mahajanga Madagascar · 402 km · 3,261 h sun/yr · best in Jun
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