Average annual temperature is 9.1 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -27.3 °C
Number of sunny days: 192 days
Number of rainy days: 139 days
Number of snow days: 34 days
Look at detailed online map of Saint Thomas
* Weather data for Saint Thomas United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.8 | 3.9 | 12.0 | 27.4 | 31.5 | 32.6 | 33.2 | 36.1 | 35.6 | 30.0 | 18.8 | 11.5 |
| Average daytime temperature (°C) | -3.9 | -2.0 | 2.5 | 12.3 | 23.1 | 28.9 | 28.3 | 28.4 | 25.7 | 15.1 | 8.4 | 4.8 |
| Average temperature (°C) | -7.5 | -7.3 | -2.8 | 6.5 | 16.9 | 23.0 | 22.5 | 22.7 | 20.1 | 10.7 | 3.2 | 0.7 |
| Average night temperature (°C) | -10.8 | -12.0 | -7.1 | 2.1 | 11.1 | 17.5 | 17.0 | 18.0 | 15.5 | 7.0 | -0.8 | -2.3 |
| Absolute minimum temperature (°C) | -25.2 | -27.3 | -16.5 | -7.3 | 0.3 | 10.6 | 12.2 | 11.0 | 7.5 | -5.9 | -13.6 | -9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.1 | 7.0 | 6.6 | 8.0 | 11.3 | 13.1 | 12.6 | 11.5 | 10.0 | 7.3 | 6.2 | 5.0 |
| Precipitation (mm) | 56 | 73 | 61 | 139 | 91 | 65 | 88 | 77 | 125 | 109 | 11 | 46 |
| Sunny days | 20 | 17 | 14 | 12 | 19 | 15 | 11 | 18 | 13 | 12 | 21 | 20 |
| Rainy days | 5 | 5 | 7 | 14 | 12 | 15 | 20 | 13 | 17 | 16 | 8 | 7 |
| Snow days | 6 | 6 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4 |
The best time to visit Saint Thomas during the most sunny months:
Months with the longest average daylight duration in Saint Thomas:
The largest precipitation sum in Saint Thomas is at