Saint Croix weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: December – June
What is the weather like in Saint Croix in January?
In January, Saint Croix is warm: daytime highs average 25 °C, and even at night it stays warm at around 24 °C. The sea averages 26.8 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 28 mm. The air is often humid and muggy. It is often windy, with gusts of around 31 km/h. All in all, January is an excellent month for a holiday in Saint Croix.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 84 | 90 | 93 |
| Day | 26° | 25° | 25° |
| Night | 25° | 24° | 24° |
| Sea | 28° | 27° | 27° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 12 | 9 | 7 |
More details for January
- Daylight
- 11 h 10 min06:52 – 18:03
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 31 km/haverage daily peakAll months
- Cloud cover
- 30 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−4America/St_Thomas
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %85 %
- Few rainy daysweight 20 %65 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Saint Croix in January: quick answers
Is Saint Croix hot in January?
Warm rather than hot: in January, daytime highs in Saint Croix average 25 °C and nights cool to about 24 °C.
Can you swim in Saint Croix in January?
Yes. In January the sea averages 26.8 °C – lovely and warm for swimming.
Does it rain much in Saint Croix in January?
Rain falls on about 9 days, adding up to 28 mm.
Saint Croix month by month
The whole year in Saint CroixAll destinations: U.S. Virgin IslandsCaribbean weather in JanuaryWhere to go in JanuarySea temperature in January
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