Saint Thomas Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Saint Thomas year round climate
Spring (March–May): Average 26.3–27.9°C, warm and comfortable climate with relatively low rainfall. Common activities: Beach activities, watersports, snorkeling. Recommended clothing: Light short-sleeved clothing, shorts, sandals; a light jacket may be needed in the evening.
Summer (June–August): Average 28.0–28.3°C, hot and humid, rainfall gradually increases. Common activities: Swimming, sunbathing, sea activities. Recommended clothing: Light and breathable clothing, swimwear, sun hat, sunscreen.
Autumn (September–November): Average 28.1–27.4°C, slightly lower temperatures, higher rainfall, November being the rainiest month. Common activities: Enjoying the sea views, island sightseeing; some outdoor activities may be affected by rain. Recommended clothing: Light and breathable clothing, bring rain gear.
Winter (December–February): Average 25.9–26.3°C, relatively lower temperatures, decreased rainfall. Common activities: Beach walks, enjoying milder sunshine. Recommended clothing: Light long-sleeved clothing, long pants; a jacket may be needed in the mornings and evenings.
Saint Thomas climatological average
Annual average temperature: approx. 27°C / Annual rainfall: approx. 1198 mm / Summer humidity: 75%–85% / Rainiest month: November
Saint Thomas monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
25.9°C
39.7
February
26°C
39.7
March
26.3°C
37.3
April
27°C
80.3
May
27.9°C
34
June
28.2°C
110.7
July
28°C
121.3
August
28.3°C
140.7
September
28.3°C
142.3
October
28.1°C
172.7
November
27.4°C
190
December
26.3°C
90
Saint Thomas weather for the next seven days
9/30
Wednesday
Patchy rain nearby
28.9°C/27°C
10/1
Thursday
Sunny
29.2°C/27.7°C
10/2
Friday
Sunny
29°C/27.4°C
10/3
Saturday
Patchy rain nearby
29.3°C/27.6°C
10/4
Sunday
Patchy rain nearby
29.3°C/27.6°C
10/5
Monday
Patchy rain nearby
29.2°C/27.8°C
10/6
Tuesday
Patchy rain nearby
29.2°C/27.7°C
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