Saint Croix in Winter
In winter (December, January and February), Saint Croix sees average daytime highs around 26°C and overnight lows near 25°C, with 93 mm of rain over about 26 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 79% of the time across winter, and the air most often feels oppressive.
Winter is Saint Croix's best season of the year to visit on our travel score. Saint Croix has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Saint Croix's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 93 mm
- 26 wet days
- Avg wind
- 26 km/h
- Travel score
- 7.5
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Saint Croix in Winter
Across winter, daytime highs hold fairly steady around 26°C.
A typical winter day in Saint Croix reaches about 26°C and drops to 25°C overnight. The warmest of the three months is December, the coolest February.
How winter really feels in Saint Croix
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Saint Croix weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 25° | 27 | 8.3 | 11.1 | 7.6 |
| Feb | 26° / 24° | 18 | 5.9 | 11.4 | 7.9 |
| Mar | 26° / 24° | 20 | 6.1 | 11.9 | 7.9 |
| Apr | 26° / 25° | 32 | 7.5 | 12.4 | 7.4 |
| May | 27° / 26° | 75 | 12.3 | 12.8 | 6.3 |
| Jun | 28° / 26° | 58 | 11.7 | 13 | 6.1 |
| Jul | 28° / 26° | 80 | 14.6 | 13 | 5.9 |
| Aug | 28° / 27° | 104 | 16.9 | 12.6 | 5.1 |
| Sep | 28° / 27° | 137 | 17.6 | 12.1 | 4.8 |
| Oct | 28° / 26° | 127 | 17.9 | 11.6 | 5.2 |
| Nov | 27° / 26° | 116 | 15.5 | 11.2 | 5.9 |
| Dec | 26° / 25° | 48 | 11.7 | 11 | 6.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 79% of the time across winter.
Chance of precipitation in Winter
Saint Croix gets around 93 mm of rain over 26 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 26 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 hours in early December to 11 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.9 kWh/m².
Hazard calendar for Saint Croix
None of Saint Croix's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Saint Croix sits in the Atlantic hurricane belt; the season peaks August–October.
Saint Croix's rainy season runs July–November, when most of the year's rain falls.
Saint Croix sees seasonal dust haze (July), heaviest in July.
Is winter a good time to visit Saint Croix?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Saint Croix for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Saint Croix in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Saint Croix sees daytime highs around 26°C and nights near 25°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 26 days see rain.
Sea temperature near Saint Croix in Winter
The nearest coast averages about 27°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in September at about 29°C and coldest in February near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Saint Croix in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint Croix peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 13 | 13 | 11 | 12 | 11 | 11 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Saint Croix in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Saint Croix is worst in July — around 24 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 8 | 7 | 9 | 14 | 23 | 24 | 20 | 15 | 15 | 9 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 9 | Good |
| May | 14 | Moderate |
| Jun | 23 | Moderate |
| Jul | 24 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 9 | Good |
| Dec | 6 | Good |
Where is Saint Croix?
Saint Croix sits at 17.7°N, 64.7°W, 87 m above sea level, in U.S. Virgin Islands. The nearest listed city is Charlotte Amalie, 71 km away.
Topography around Saint Croix
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint Croix.
Within 3 km, the terrain around Saint Croix has only modest variations in elevation — a maximum elevation change of 177 m around an average of 57 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 346 m; within 80 km, significant variations in elevation — a maximum elevation change of 512 m.
The land around Saint Croix is covered by trees (52%) and artificial surfaces (31%) within 3 km, water (74%) within 16 km, and water (96%) within 80 km.
U.S. Virgin Islands travel facts
- Power plugs
- Type A / B
- 110 V · 60 Hz
- Prices
- ≈ 89% of US
- price level, 2022
- GDP per capita
- $44,321
- 2022
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 49.9
- per 100k, 2012
- Income group
- High
- World Bank
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint Croix (17.7275°, -64.747°, elevation 87 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.