Basseterre vs Sint Maarten: which is sunnier?
🇰🇳 St. Kitts & Nevis vs 🇸🇽 Sint Maarten · 91 km apart · long-term climate normals (NASA POWER, 2001–2020)
Basseterre and Sint Maarten are virtually tied for annual sunshine — about 3,109 vs 3,131 hours a year. Sint Maarten has the higher Sunshine Score in 6 of 12 months; the other 6 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Basseterre | Sint Maarten | |
|---|---|---|
| Sunshine hours / year | 3,109 | 3,131 |
| Sunniest month | February (94/100) | February (95/100) |
| Nov–Feb average score | 89/100 | 91/100 |
| Jun–Aug average score | 84/100 | 88/100 |
| Rain / year | 791 mm | 615 mm |
| Warmest sea | 30°C / 86°F | 31°C / 88°F |
| Peak midday UV | 12 (extreme) | 11 (extreme) |
Basseterre vs Sint Maarten month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Basseterre | Sint Maarten | Basseterre | Sint Maarten | Basseterre | Sint Maarten | Basseterre | Sint Maarten | |
| January | 92 | 94 | 26° | 26° | 28 | 20 | 28° | 28° |
| February | 94 | 95 | 26° | 26° | 18 | 12 | 27° | 27° |
| March | 93 | 95 | 26° | 26° | 24 | 16 | 27° | 27° |
| April | 91 | 93 | 27° | 27° | 38 | 26 | 28° | 28° |
| May | 84 | 86 | 27° | 27° | 73 | 63 | 29° | 29° |
| June | 87 | 90 | 28° | 28° | 59 | 42 | 30° | 30° |
| July | 84 | 88 | 28° | 29° | 73 | 54 | 30° | 30° |
| August | 81 | 86 | 29° | 29° | 90 | 66 | 30° | 30° |
| September | 78 | 81 | 29° | 29° | 105 | 90 | 30° | 30° |
| October | 73 | 78 | 28° | 29° | 136 | 108 | 30° | 31° |
| November | 80 | 83 | 28° | 28° | 96 | 78 | 30° | 29° |
| December | 88 | 90 | 27° | 27° | 51 | 40 | 29° | 29° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun Sint Maarten · Jul Sint Maarten · Aug Sint Maarten · Sep Sint Maarten · Oct Sint Maarten · Nov Sint Maarten · Dec even.
When to pick which
- November–February: too close to call — Basseterre averages 89/100, Sint Maarten 91/100. Daytime highs are similar (27°C vs 27°C). See the winter sun ranking.
- March–May: too close to call — Basseterre averages 89/100, Sint Maarten 91/100. Daytime highs are similar (27°C vs 27°C).
- June–August: Sint Maarten (average score 88/100 vs 84). Daytime highs are similar (28°C vs 29°C).
- September–October: Sint Maarten (average score 80/100 vs 76). Daytime highs are similar (29°C vs 29°C).
Sea temperature
Sint Maarten's sea gets warmer: 31°C / 88°F at its peak vs 30°C. Swimmable water (21°C+): Basseterre all year, Sint Maarten all year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Basseterre weather by month · Sint Maarten weather by month.
More comparisons: Basseterre vs Antigua · Basseterre vs Pointe-à-Pitre · Sint Maarten vs Antigua · Sint Maarten vs Charlotte Amalie · Sint Maarten vs Christiansted · all head-to-heads