Saint Thomas weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Excellent
Best time to visit: December – April
What is the weather like in Saint Thomas in April?
In April, Saint Thomas is warm: daytime highs average 26 °C, and even at night it stays warm at around 25 °C. The sea averages 26.8 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 9 days, adding up to 41 mm. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Saint Thomas.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 33 min06:04 – 18:36
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−4America/St_Thomas
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Saint Thomas in April: quick answers
Is Saint Thomas hot in April?
Warm rather than hot: in April, daytime highs in Saint Thomas average 26 °C and nights cool to about 25 °C.
Can you swim in Saint Thomas in April?
Yes. In April the sea averages 26.8 °C – lovely and warm for swimming.
Does it rain much in Saint Thomas in April?
Rain falls on about 9 days, adding up to 41 mm.
Saint Thomas month by month
The whole year in Saint ThomasAll destinations: U.S. Virgin IslandsCaribbean weather in AprilWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences