St. Thomas Weather in December
What's the weather like in St. Thomas (Ontario) in December 2024?
The climate in St. Thomas during December can be summarized as cold and a little damp.
December is in the winter in St. Thomas and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (33°F), whilst at night -6°C (21°F) is normal.
| Daytime temperature | 0.8°C 33.4°F |
|---|---|
| Nightly temperature | -6°C 21.2°F |
| Average temperature | -2.6°C 27.3°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 94 mm 3.7 ins |
| Rainy days | 15 days |
| Sea temperature | 4.9°C 40.9°F |
| Humidity | 81% |
| Windspeed | 17.3kph 11 mph |
On average December is the wettest month of the year in St. Thomas with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
December temperatures in St. Thomas
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in St. Thomas in December 2024.
Other monthly averages
Best places to visit in December
St. Thomas weather stats
| Hottest month: | July | 25.6°C 78.1°F |
|---|---|---|
| Driest month: | February | 55mm 2.2ins |
| Sunniest month: | July | 9.6hrs |
| Coldest month: | January | -2.3°C 27.9°F |
| Wettest month: | December | 94mm 3.7ins |
© Google
Top Canada locations
- Calgary
- Edmonton
- Halifax
- Montréal
- Niagara Falls
- Ottawa
- Québec
- St. John's
- Toronto
- Vancouver
- Whistler
- Winnipeg