Willemstad weather by month & the best time to visit
Curaçao · beach resort · semi-arid climate

The best time to visit Willemstad is March — its sunniest month (Sunshine Score 95/100), with April and May close behind. Willemstad averages about 3,038 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 10 mm of rain in March.
When is the best time to visit Willemstad?
For sunshine, the best time to visit Willemstad is March, then April and May. The dullest month is November (76/100, 117 mm of rain). The full month-by-month picture is in the table below.
How sunny is Willemstad?
Willemstad is one of the sunniest places on Earth: about 3,038 hours of sunshine a year. March (95/100) is noticeably better than November (76). It is the only destination Sunshine Atlas tracks in Curaçao. Rain has a clear season: the wettest stretch, around November, carries about 54% of the annual 487 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 90 | 27° / 81°F | 26° / 79°F | 41 mm | 9 | 28° / 82°F |
| February | 93 | 27° / 81°F | 26° / 79°F | 22 mm | 11 | 27° / 81°F |
| March | 95 | 27° / 81°F | 26° / 79°F | 10 mm | 12 | 28° / 82°F |
| April | 95 | 27° / 81°F | 26° / 79°F | 13 mm | 11 | 28° / 82°F |
| May | 94 | 28° / 82°F | 27° / 81°F | 18 mm | 11 | 29° / 84°F |
| June | 93 | 28° / 82°F | 27° / 81°F | 22 mm | 11 | 29° / 84°F |
| July | 92 | 28° / 82°F | 27° / 81°F | 27 mm | 11 | 29° / 84°F |
| August | 92 | 29° / 84°F | 28° / 82°F | 26 mm | 11 | 29° / 84°F |
| September | 89 | 29° / 84°F | 28° / 82°F | 45 mm | 11 | 30° / 86°F |
| October | 82 | 29° / 84°F | 28° / 82°F | 82 mm | 10 | 31° / 88°F |
| November | 76 | 29° / 84°F | 28° / 82°F | 117 mm | 9 | 30° / 86°F |
| December | 85 | 28° / 82°F | 27° / 81°F | 64 mm | 9 | 29° / 84°F |
Sea temperature in Willemstad by month
The sea off Willemstad is warmest in October at around 31°C / 88°F, and coolest in February at 27°C / 81°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
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Willemstad: questions and answers
What kind of destination is Willemstad?
Willemstad is a beach resort in Curaçao with a semi-arid climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Willemstad get a year?
Willemstad gets about 3,038 hours of sunshine a year, at its best around March.
When is the best time to visit Willemstad?
The sunniest time to visit Willemstad is March, when the Sunshine Score peaks at 95/100 (with April and May close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Willemstad?
November is the least sunny month in Willemstad, scoring 76/100 with about 117 mm of rain.
What is the sea temperature in Willemstad?
The sea in Willemstad ranges from about 27°C (February) to 31°C (October). Month-by-month sea temperatures are on this page.
How strong is the sun in Willemstad?
The typical midday UV index in Willemstad peaks around 12 (extreme) in March, easing to about 9 (very high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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