Overall on the next 14 days there will be 3 days with snow in St. Thomas and a total of 0.6 cm of snow.
It will be snowy on the following days:
°F °C
St. Thomas 
Weather outlook for December 2025
Overall on the next 14 days there will be 3 days with snow in St. Thomas and a total of 0.6 cm of snow.
It will be snowy on the following days:
The temperatures in St. Thomas in December are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in St. Thomas. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that St. Thomas can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in St. Thomas in December 2025.
If you’re planning to visit St. Thomas in the near future, we highly recommend that you review the 14 day weather forecast for St. Thomas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 9 | 20 | 2 | 100 mm | Awful | St. Thomas in January |
| February | 8° / 4° | 8 | 18 | 3 | 91 mm | Awful | St. Thomas in February |
| March | 10° / 4° | 6 | 24 | 1 | 70 mm | Ok | St. Thomas in March |
| April | 12° / 5° | 5 | 25 | 0 | 64 mm | Ok | St. Thomas in April |
| May | 15° / 8° | 5 | 26 | 0 | 70 mm | Good | St. Thomas in May |
| June | 18° / 11° | 5 | 25 | 0 | 79 mm | Good | St. Thomas in June |
| July | 20° / 13° | 5 | 26 | 0 | 73 mm | Good | St. Thomas in July |
| August | 19° / 13° | 5 | 26 | 0 | 78 mm | Good | St. Thomas in August |
| September | 18° / 11° | 4 | 26 | 0 | 61 mm | Good | St. Thomas in September |
| October | 15° / 10° | 7 | 24 | 0 | 117 mm | Ok | St. Thomas in October |
| November | 11° / 7° | 8 | 22 | 0 | 122 mm | Bad | St. Thomas in November |
| December | 9° / 5° | 9 | 21 | 1 | 108 mm | Bad | St. Thomas in December |
