Viana do Castelo Weather in April
What's the weather like in Viana do Castelo (Viana do Castelo) in April 2025?
The climate in Viana do Castelo during April can be summarized as mild and wet.
April is in the spring in Viana do Castelo and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 16.5°C 61.6°F |
|---|---|
| Nightly temperature | 7.6°C 45.6°F |
| Average temperature | 12°C 53.6°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 132 mm 5.2 ins |
| Rainy days | 16 days |
| Sea temperature | 14.4°C 57.8°F |
| Humidity | 74% |
| Windspeed | 17.3kph 11 mph |
On average April is the 6th driest month of the year in Viana do Castelo with around 132mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
April temperatures in Viana do Castelo
April rainfall
April 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 April 2025.
Other monthly averages
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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