Saint John Weather in December
What's the weather like in Saint John (Saint John) in December 2024?
The climate in Saint John during December can be summarized as mild and a little damp.
December is in the winter in Saint John and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 16.6°C 61.9°F |
|---|---|
| Nightly temperature | 11°C 51.8°F |
| Average temperature | 13.8°C 56.8°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 99 mm 3.9 ins |
| Rainy days | 14 days |
| Sea temperature | 18.3°C 65°F |
| Humidity | 79% |
| Windspeed | 17.3kph 11 mph |
On average December is the wettest month of the year in Saint John with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
December temperatures in Saint John
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 Saint John in December 2024.
Other monthly averages
Best places to visit in December
Saint John weather stats
| Hottest month: | August | 30.1°C 86.2°F |
|---|---|---|
| Driest month: | July | 0mm 0ins |
| Sunniest month: | July | 12.4hrs |
| Coldest month: | January | 15°C 59°F |
| Wettest month: | December | 99mm 3.9ins |
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