SeasonMapCharlotte Amalie (St Thomas) weather in April
U.S. Virgin Islands
April in Charlotte Amalie: hot, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Charlotte Amalie · #144 of 1383 destinations to visit in April · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Charlotte Amalie in April
Other months in Charlotte Amalie
Charlotte Amalie's forum puts March in the 80s°F with occasional showers that regulars describe as passing in about five to fifteen minutes rather than settling in. Regulars flag March as high season with more cruise ships in port and correspondingly higher rates, though crowding is generally manageable for land-based visitors.
Add your own note from Charlotte Amalie's card on the map.
Charlotte Amalie climate normals — April
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 32°C / 90°F | |
| Sea temperature | 27°C / 80°F | 😎 warm sea |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.6 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Charlotte Amalie in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSt Thomas Carnival, Cruise season(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Charlotte Amalie's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCharlotte Amalie's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Charlotte Amalie in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Humpbacks on the north drop
15 Jan – 15 Apr · usuallyWhale seasonHumpbacks pass north of the islands on the way to and from the Silver Bank, and are sometimes seen from the ferries or off the north drop. Nobody runs a dependable whale trip from town, so it stays luck.
- Season
Sargassum on the east end
1 Apr – 31 Aug · usuallySargassum seasonThe south and east shores catch the drift and the bays that hold it smell for a week at a time. Magens Bay on the north side and the beaches inside the harbour usually stay clear.
- Festival
St Thomas Carnival
26 Apr – 2 MayCrowdedBook earlyThe big week ends with J'ouvert before dawn and the Adults' Parade through town, with free nightly shows in the Carnival Village either side of it. Smaller pageants start weeks earlier. Source ↗
- Season
Cruise season
1 Nov – 30 Apr · usuallyCrowdedFive or six ships alongside at Havensight and Crown Bay on a winter weekday. Main Street's duty-free shops open and shut to the ship schedule, and Magens Bay has the tour buses by ten.
Nearby, and something's on
Within 300 km of Charlotte Amalie — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Charlotte Amalie?
Charlotte Amalie in April — FAQ
- Is April a good time to visit Charlotte Amalie?
- April in Charlotte Amalie: hot, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Charlotte Amalie on SeasonMap's comfort score (90/100).
- What is the weather like in Charlotte Amalie in April?
- In April, Charlotte Amalie averages a daily high of 29.5°C and a low of 24.1°C, with about 46.4 mm of rain over roughly 7.4 rainy days.
- What is the air quality in Charlotte Amalie in April?
- Charlotte Amalie has a mean US Air Quality Index of about 38 in April.
Other months in Charlotte Amalie
Compare Charlotte Amalie in April
Warmer or cooler than Charlotte Amalie in April
Similar destinations in Caribbean — April
Within 300 km: San Juan's Bioluminescent bay nights on 1 Jan – 31 Dec, and Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.