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Weather in St. Thomas for December 2026

Your guide to St. Thomas weather in December - trends and predictions

    Snow Forecast ❄️

  • St. Thomas typically experiences moderate snowfall in December, with an average of 10 snowy days.

    • Temperatures

  • In general, the average temperature in St. Thomas at the beginning of December is 0.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 2.7 °C by the end of December.

    • More

  • Is December a good time to visit St. Thomas? check out the best time to travel to St. Thomas page.

  • ✨ Is December a good time to visit St. Thomas? – Ask the AI Weatherman

Average dry days
16
Dry days
Average rainy days
5
Rainy days
Average snowy days
10
Snow days
Average temperatures
1°/-2°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
86 %
Avg humidity

St. Thomas Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
0°
2
Light rain
2°
3
Light snow
1°
4
Light snow
0°
5
Light snow
0°
6
Light rain
0°
7
Moderate snow
1°
8
Mist
1°
9
Moderate rain
5°
10
Moderate rain
4°
11
Light snow
-1°
12
Overcast
0°
13
Partly cloudy
-2°
14
Light snow
0°
15
Light snow
1°
16
Light rain
4°
17
Patchy rain possible
3°
18
Light snow
3°
19
Light snow
1°
20
Light snow
1°
21
Overcast
-1°
22
Light freezing rain
-1°
23
Light rain
2°
24
Light snow
2°
25
Fog
3°
26
Light rain
2°
27
Light rain
3°
28
Moderate rain
4°
29
Heavy rain
6°
30
Light snow
1°
31
Light snow
0°

Temperatures trend during December in St. Thomas

See the weather trend as well as the moving average line

December weather in St. Thomas day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Light rain
Light rain
 0° /-3° 3.6 mm 0 cm
2 Dec. Light rain
Light rain
 2° /-1° 4.1 mm 2.2 cm
3 Dec. Light snow
Light snow
 1° /-2° 11 mm 4.2 cm
4 Dec. Light snow
Light snow
 0° /-3° 8.5 mm 1 cm
5 Dec. Light snow
Light snow
 0° /-5° 6.6 mm 0.5 cm
6 Dec. Light rain
Light rain
 0° /-3° 4 mm 2.9 cm
7 Dec. Moderate snow
Moderate snow
 1° /-2° 7.4 mm 5.4 cm
8 Dec. Mist
Mist
 1° /-4° 0 mm 0 cm
9 Dec. Moderate rain
Moderate rain
 5° /-1° 21.5 mm 2.2 cm
10 Dec. Moderate rain
Moderate rain
 4° /0° 15.3 mm 5.1 cm
11 Dec. Light snow
Light snow
 -1° /-3° 1.6 mm 0.8 cm
12 Dec. Overcast
Overcast
 0° /-5° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 -2° /-7° 0 mm 0 cm
14 Dec. Light snow
Light snow
 0° /-7° 1.4 mm 1 cm
15 Dec. Light snow
Light snow
 1° /-4° 2.7 mm 0.5 cm
16 Dec. Light rain
Light rain
 4° /-3° 6.1 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
 3° /1° 1.8 mm 0 cm
18 Dec. Light snow
Light snow
 3° /-1° 27.6 mm 2.4 cm
19 Dec. Light snow
Light snow
 1° /-3° 7.3 mm 0 cm
20 Dec. Light snow
Light snow
 1° /-3° 4.6 mm 3.4 cm
21 Dec. Overcast
Overcast
 -1° /-5° 0 mm 0 cm
22 Dec. Light freezing rain
Light freezing rain
 -1° /-6° 2.1 mm 1.5 cm
23 Dec. Light rain
Light rain
 2° /0° 6.4 mm 3.7 cm
24 Dec. Light snow
Light snow
 2° /0° 4.2 mm 3 cm
25 Dec. Fog
Fog
 3° /0° 0 mm 0 cm
26 Dec. Light rain
Light rain
 2° /0° 1.5 mm 0 cm
27 Dec. Light rain
Light rain
 3° /0° 3.6 mm 0 cm
28 Dec. Moderate rain
Moderate rain
 4° /0° 14.9 mm 0 cm
29 Dec. Heavy rain
Heavy rain
 6° /1° 56.1 mm 0.5 cm
30 Dec. Light snow
Light snow
 1° /-2° 6.1 mm 1.4 cm
31 Dec. Light snow
Light snow
 0° /-3° 6.7 mm 4.9 cm
Next
Important Notice
Our weather forecast for St. Thomas in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Thomas forecast closer to your planned date for the most up-to-date weather information.
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St. Thomas in December - FAQ

What are the expected maximum and minimum temperatures in St. Thomas during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in St. Thomas during December?
Significant rainfall exceeding 236.6 mm is expected in St. Thomas during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.

Will it snow in St. Thomas in December 2026?
St. Thomas experiences an average snowfall of 46.6 cm during December, occurring over 10 days.

What are the typical wind conditions in St. Thomas during December?
The average wind speed in St. Thomas during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

St. Thomas snow forecast December 2026

Track daily snowfall levels and discover St. Thomas’s snowy potential this December ❄️
On average, St. Thomas sees 10 snowy days during December, with approximately 46.6 cm of total snowfall.

December rainfall patterns in St. Thomas

Explore the daily rainfall trends and prepare for St. Thomass December weather 💧
Typically, St. Thomas has 5 rainy days in December with a total of 236.6 mm of rainfall.
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Location coordinates Where is St. Thomas?

Get accurate weather forecasts for St. Thomas, located at latitude 42.774 and longitude -81.18. Stay updated with localized weather information tailored for St. Thomas.

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