Gros Morne Weather in December
What's the weather like in Gros Morne (Artibonite) in December 2025?
The climate in Gros Morne during December can be summarized as warm, humid and a little damp.
December is in the winter in Gros Morne and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 27.2°C 81°F |
|---|---|
| Nightly temperature | 18.4°C 65.1°F |
| Average temperature | 22.8°C 73°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 11 days |
| Sea temperature | 27.6°C 81.6°F |
| Humidity | 77% |
| Windspeed | 8.6kph 5 mph |
On average December is the 4th driest month of the year in Gros Morne with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
December temperatures in Gros Morne
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 Gros Morne in December 2025.
Other monthly averages
Best places to visit in December
Gros Morne weather stats
| Hottest month: | August | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | January | 53mm 2.1ins |
| Sunniest month: | February | 7.6hrs |
| Coldest month: | January | 26.6°C 79.9°F |
| Wettest month: | May | 208mm 8.2ins |
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