Cruz Bay Weather in December
What's the weather like in Cruz Bay (Saint John Island) in December 2025?
The climate in Cruz Bay during December can be summarized as hot, humid and damp.
December is in the winter in Cruz Bay and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 28°C (83°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 28.1°C 82.6°F |
|---|---|
| Nightly temperature | 22.1°C 71.8°F |
| Average temperature | 25.1°C 77.2°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 119 mm 4.7 ins |
| Rainy days | 21 days |
| Sea temperature | 27.3°C 81.1°F |
| Humidity | 76% |
| Windspeed | 16.9kph 11 mph |
On average December is the 6th wettest month of the year in Cruz Bay with around 119mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
December temperatures in Cruz Bay
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 Cruz Bay in December 2025.
Other monthly averages
Best places to visit in December
Cruz Bay weather stats
| Hottest month: | August | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | February | 54mm 2.1ins |
| Sunniest month: | March | 9.3hrs |
| Coldest month: | January | 27.5°C 81.5°F |
| Wettest month: | October | 161mm 6.3ins |
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