St. Thomas in May
6.7out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 12 rainy days.
18°CAvg high
10°CAvg low
12Rainy days (94 mm)
14:27 hDaylight
06:08Sunrise · 20:34 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -7°C | 75 mm | 11 | – | – | 3.6 |
| February | 0°C | -7°C | 59 mm | 9 | – | – | 3.9 |
| March | 4°C | -3°C | 73 mm | 10 | – | – | 4.4 |
| April | 10°C | 3°C | 94 mm | 12 | – | – | 5.6 |
| May | 18°C | 10°C | 94 mm | 12 | – | – | 6.7 |
| June | 23°C | 16°C | 100 mm | 11 | – | – | 7.5 |
| July | 26°C | 19°C | 96 mm | 12 | – | – | 7.4 |
| August | 25°C | 18°C | 83 mm | 10 | – | – | 7.7 |
| September | 21°C | 15°C | 84 mm | 9 | – | – | 7.7 |
| October | 14°C | 8°C | 86 mm | 12 | – | – | 6.3 |
| November | 8°C | 3°C | 80 mm | 11 | – | – | 5.3 |
| December | 2°C | -2°C | 74 mm | 11 | – | – | 4.1 |
Frequently asked questions
How hot is St. Thomas in May?
Daytime highs average 18°C and nights about 10°C.
When is the best time to visit St. Thomas?
The best months are August, September, June, July.