Viana do Castelo Weather in December
What's the weather like in Viana do Castelo (Viana do Castelo) in December 2024?
The climate in Viana do Castelo during December can be summarized as cool and very wet.
December is in the winter in Viana do Castelo and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 6°C (42°F) is normal.
| Daytime temperature | 12.6°C 54.7°F |
|---|---|
| Nightly temperature | 5.6°C 42.1°F |
| Average temperature | 9.1°C 48.4°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 223 mm 8.8 ins |
| Rainy days | 18 days |
| Sea temperature | 15.1°C 59.1°F |
| Humidity | 82% |
| Windspeed | 18.4kph 11 mph |
On average December is the 2nd wettest month of the year in Viana do Castelo with around 223mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
December temperatures in Viana do Castelo
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 Viana do Castelo in December 2024.
Other monthly averages
Best places to visit in December
Viana do Castelo weather stats
| Hottest month: | July | 24.1°C 75.4°F |
|---|---|---|
| Driest month: | August | 27mm 1.1ins |
| Sunniest month: | August | 10hrs |
| Coldest month: | January | 12.2°C 54°F |
| Wettest month: | January | 232mm 9.1ins |
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