Weather in St. Barts in August

St. Barts, Saint Barthélemy averages a high of 28.2°C (82.8°F) and low of 26.6°C (79.9°F) in August, with 15 rain days and 11.7 hours of daily sunshine. Travel score: 70.1/100 (Good). The best time to visit St. Barts is March.

High
28°C83°F
Low
27°C80°F
🌧️
15
rain days
☀️
11.7
hrs/day sunshine
💧
81%
humidity
70— Good

August in St. Barts is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.

JanFebMarAprMayJunJulAugSepOctNovDec

What are the average temperatures in St. Barts?

JanFebMarAprMayJunJulAug28°27°SepOctNovDec

How much does it rain in St. Barts in August?

St. Barts receives an average of 86mm of rainfall across 15 rainy days in August. The annual total is 760.4mm.

JanFebMarAprMayJunJulAug15dSepOctNovDec

What should I pack for St. Barts in August?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Traveling to Saint Barthélemy in August?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

View Saint Barthélemy Holidays 2026Long Weekends Calendar

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How can I plan my trip to St. Barts?

Best Time to Visit Saint Barthélemy

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Where Is Hot in August?

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What is the weather like in other months in St. Barts?

January
26°
9 rain days
78
February
25°
7 rain days
81
March
25°
5 rain days
84
April
26°
8 rain days
80
May
27°
10 rain days
77
June
28°
10 rain days
76
July
28°
13 rain days
71
September
28°
16 rain days
70
October
28°
16 rain days
70
November
27°
14 rain days
73
December
26°
11 rain days
76

Data based on 1994–2024 averages · Last updated: 2024-12-31