SunFinder.ai

St Lucia, St Lucia

93sun score

tropical climate · beach · medium crowds · mid prices

🏊 Swimmable sea this month (≥22°C)

St Lucia sits under a tropical sky in St Lucia, and the 2015–2024 weather record gives its sunshine a clear shape: the April peak reaches a 97/100 sun score, with daytime highs around 29°C — a solid base for a beach trip.

September is the heat peak, averaging 30°C highs; January is the cool end, when nights dip to around 21°C. The wet–dry contrast is pronounced: 68% rain-day odds in September against 40% in April. If 24°C is your bar for proper warmth, count on January–December.

Season by season (on the northern calendar), spring brings 29°C highs with 42% rain-day odds, summer 29°C at 63%, autumn 29°C at 64%, and winter 27°C at 48%. Spring wins on the numbers and autumn loses them; everything in between is a trade-off between warmth and crowds. If your dates are flexible, December buys you 27°C warmth at the quiet end of the season.

Best months to visit St Lucia

Ranked purely on sunshine odds, the podium is April at 97/100, then March at 96 and May at 96. In practice you have flexibility — January–December all stay above a 70 sun score. At the other end, November scores just 91, the weakest month of the year.

For context: in April, St Lucia is drier than 52% of the tropical destinations we track.

Month-by-month breakdown for St Lucia → · More destinations for April →

The live forecast backs this up: of the next 15 days, 6 look mostly clear and 6 carry meaningful rain risk, in a 22–30°C band. Today's cached sun score is 93/100.

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Flights from Europe

FromDistanceEstimated non-stop time
Brussels (BRU)7,089 km~9 h 15Find flights →
Amsterdam (AMS)7,157 km~9 h 30Find flights →
London (LON)6,800 km~9 hFind flights →
Paris (PAR)6,907 km~9 h 15Find flights →
Frankfurt (FRA)7,380 km~9 h 45Find flights →

Estimates from distance; actual schedules may require a connection.

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Next 16 days

Live forecast, refreshed twice daily. Forecasts updated 29 Oct, 06:35 CET.

DateHigh / lowCloudRain odds
Thu 29 Oct30° / 23°50%16%
Fri 30 Oct29° / 23°95%43%
Sat 31 Oct30° / 23°69%40%
Sun 1 Nov29° / 22°78%49%
Mon 2 Nov28° / 22°80%50%
Tue 3 Nov28° / 23°67%58%
Wed 4 Nov30° / 23°17%52%
Thu 5 Nov30° / 22°59%42%
Fri 6 Nov30° / 22°42%40%
Sat 7 Nov29° / 22°31%30%
Sun 8 Nov30° / 23°19%28%
Mon 9 Nov30° / 22°14%23%
Tue 10 Nov30° / 22°50%22%
Wed 11 Nov30° / 23°28%23%
Thu 12 Nov29° / 23°28%26%

St Lucia climate, month by month

2015–2024 averages (April highlighted as the best month).

MonthDay / night °CCloudRain-day oddsSun score
January26.8° / 21.6°41.7%49.7%95
February27.1° / 21.4°37.2%43.4%95
March27.8° / 21.7°46.6%42.7%96
April28.7° / 22.5°57.4%40%97
May29.1° / 23.3°64.8%43.2%96
June28.8° / 23.4°65.7%58.7%92
July28.7° / 23.4°55.4%66.8%92
August29.1° / 23.6°54.7%64.5%92
September29.5° / 23.7°61.7%67.7%91
October28.8° / 23.4°60.4%62%91
November28° / 22.9°60%61.3%91
December27.3° / 22.1°43.8%51.7%95

Similar sunny destinations

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