Aver-o-Mar Weather in December
What's the weather like in Aver-o-Mar (Porto) in December 2025?
The climate in Aver-o-Mar during December can be summarized as mild and wet.
December is in the winter in Aver-o-Mar and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 13.8°C 56.8°F |
|---|---|
| Nightly temperature | 6.2°C 43.2°F |
| Average temperature | 10°C 50°F |
| Daily sunshine | 4.3 hrs |
| Avg rainfall | 186 mm 7.3 ins |
| Rainy days | 17 days |
| Sea temperature | 15.1°C 59.1°F |
| Humidity | 81% |
| Windspeed | 18.4kph 11 mph |
On average December is the 2nd wettest month of the year in Aver-o-Mar with around 186mm 7.3 inches of rain making it a wet 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 4.3 hours of sunshine per day.
December temperatures in Aver-o-Mar
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 Aver-o-Mar in December 2025.
Other monthly averages
Best places to visit in December
Aver-o-Mar weather stats
| Hottest month: | July | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | July | 19mm 0.7ins |
| Sunniest month: | August | 10.1hrs |
| Coldest month: | January | 13.4°C 56.1°F |
| Wettest month: | January | 192mm 7.6ins |
© Google
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