Portland Weather in December
What's the weather like in Portland (England) in December 2024?
The climate in Portland during December can be summarized as cool and a little damp.
December is in the winter in Portland and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 9°C 48.2°F |
|---|---|
| Nightly temperature | 3.8°C 38.8°F |
| Average temperature | 6.4°C 43.5°F |
| Daily sunshine | 2.1 hrs |
| Avg rainfall | 94 mm 3.7 ins |
| Rainy days | 17 days |
| Sea temperature | 11.7°C 53°F |
| Humidity | 91% |
| Windspeed | 18kph 11 mph |
On average December is the wettest month of the year in Portland with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.1 hours of sunshine per day.
December temperatures in Portland
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 Portland in December 2024.
Other monthly averages
Best places to visit in December
Portland weather stats
| Hottest month: | August | 19.6°C 67.3°F |
|---|---|---|
| Driest month: | July | 46mm 1.8ins |
| Sunniest month: | July | 8.1hrs |
| Coldest month: | February | 7.5°C 45.5°F |
| Wettest month: | December | 94mm 3.7ins |
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