Vieux Fort weather by month & the best time to visit
St. Lucia · beach resort · tropical — wet & dry seasons climate

The best time to visit Vieux Fort is February — its sunniest month (Sunshine Score 90/100), with March and January close behind. Vieux Fort averages about 3,039 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 38 mm of rain in February.
When is the best time to visit Vieux Fort?
For sunshine, the best time to visit Vieux Fort is February, then March and January. The dullest month is October (70/100, 159 mm of rain). The full month-by-month picture is in the table below.
How sunny is Vieux Fort?
Vieux Fort is one of the sunniest places on Earth: about 3,039 hours of sunshine a year. February (90/100) is noticeably better than October (70). It is the only destination Sunshine Atlas tracks in St. Lucia. The year's 1,177 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 86 | 27° / 81°F | 26° / 79°F | 59 mm | 9 | 28° / 82°F |
| February | 90 | 27° / 81°F | 26° / 79°F | 38 mm | 11 | 28° / 82°F |
| March | 90 | 27° / 81°F | 26° / 79°F | 39 mm | 12 | 28° / 82°F |
| April | 84 | 27° / 81°F | 26° / 79°F | 71 mm | 12 | 29° / 84°F |
| May | 83 | 28° / 82°F | 27° / 81°F | 74 mm | 11 | 29° / 84°F |
| June | 76 | 28° / 82°F | 27° / 81°F | 114 mm | 10 | 29° / 84°F |
| July | 75 | 28° / 82°F | 28° / 82°F | 122 mm | 10 | 29° / 84°F |
| August | 71 | 29° / 84°F | 28° / 82°F | 144 mm | 11 | 30° / 86°F |
| September | 71 | 29° / 84°F | 28° / 82°F | 144 mm | 11 | 31° / 88°F |
| October | 70 | 29° / 84°F | 28° / 82°F | 159 mm | 10 | 30° / 86°F |
| November | 72 | 28° / 82°F | 28° / 82°F | 139 mm | 9 | 30° / 86°F |
| December | 83 | 28° / 82°F | 27° / 81°F | 74 mm | 9 | 29° / 84°F |
Sea temperature in Vieux Fort by month
The sea off Vieux Fort is warmest in September at around 31°C / 88°F, and coolest in January at 28°C / 82°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 Vieux Fort compares month by month: Vieux Fort vs Bridgetown · Vieux Fort vs Fort-de-France · Vieux Fort vs Kingstown · Vieux Fort vs Saint George's · all comparisons
Vieux Fort: questions and answers
What kind of destination is Vieux Fort?
Vieux Fort is a beach resort in St. Lucia with a tropical — wet & dry seasons climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Vieux Fort get a year?
Vieux Fort gets about 3,039 hours of sunshine a year, at its best around February.
When is the best time to visit Vieux Fort?
The sunniest time to visit Vieux Fort is February, when the Sunshine Score peaks at 90/100 (with March and January close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Vieux Fort?
October is the least sunny month in Vieux Fort, scoring 70/100 with about 159 mm of rain.
What is the sea temperature in Vieux Fort?
The sea in Vieux Fort ranges from about 28°C (January) to 31°C (September). Month-by-month sea temperatures are on this page.
How strong is the sun in Vieux Fort?
The typical midday UV index in Vieux Fort 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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