Charlotte Amalie (St Thomas) weather in December
U.S. Virgin Islands

December in Charlotte Amalie: hot, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Charlotte Amalie · #152 of 1383 destinations to visit in December · comfort 88/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Charlotte Amalie in December
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 — December
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 31°C / 88°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 53 mm / 2.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 21°C / 71°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.1 h | |
| Wind | 30 km/h / 18 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Charlotte Amalie in December
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.
BusyCruise season, school holidays in 3 of the markets that fill it(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 December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- 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.
- Season
Christmas winds
15 Dec – 15 Mar · usuallyWind seasonRiskThe trades stiffen from around Christmas into March. Sailors plan around them, the ferries over to Jost Van Dyke get bumpy, and the north-shore beaches pick up a shorebreak.
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 December — FAQ
- Is December a good time to visit Charlotte Amalie?
- December in Charlotte Amalie: hot, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Charlotte Amalie on SeasonMap's comfort score (88/100).
- What is the weather like in Charlotte Amalie in December?
- In December, Charlotte Amalie averages a daily high of 29.5°C and a low of 23.8°C, with about 53 mm of rain over roughly 11.3 rainy days.
- What is the air quality in Charlotte Amalie in December?
- Charlotte Amalie has a mean US Air Quality Index of about 35 in December.
Other months in Charlotte Amalie
Compare Charlotte Amalie in December
Warmer or cooler than Charlotte Amalie in December
Similar destinations in Caribbean — December
Within 300 km: San Juan's Bioluminescent bay nights on 1 Jan – 31 Dec, and Philipsburg's Cruise ship season around 1 Nov – 30 Apr.