St. Thomas

What is the climate like in St. Thomas?

The best time to visit St. Thomas is typically June – September, with trip comfort peaking in September (7.2/10). St. Thomas is warmest in July, when daily highs average 78°F (26°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically April and the driest is September; the year sees roughly 41 in (1048 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 78°F (26°C)
• Coolest monthJanuary — average low 23°F (-5°C)
• Wettest monthApril (4.1 in (104 mm))
• Driest monthSeptember (2.6 in (67 mm))
• Annual precipitation41 in (1048 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSt Thomas Wpcp, 2 km away (1980-2024)