Normal weather for Viana do Castelo in April
It's pleasantly warm in April in Viana do Castelo with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 8°C and 11°C.
In April, there is an average of 119 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Viana do Castelo in April |
New York | ||
|---|---|---|---|
 Average Temperature |
19°C | 17°C | |
 High Temp |
20°C | 22°C | |
| Low Temp |
17°C | 12°C | |
 Total Precipitation |
119 mm | 81 mm | |
| Rainy Days |
15 days | 11 days | |
Start of April
The month of April starts in Viana do Castelo with mild temps, averaging around 19°C during the day and nights around 10°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid April
By mid-April, daytime temps rise to around 20°C, with nights around 11°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
End of April
By the end of April, the average daytime temperature in Viana do Castelo is around 19°C, while nighttime temps are about 11°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
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Water temperature
The water temperature at Viana do Castelo is 18°C this month. You can swim, but it's a bit chilly.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is April a good time to visit Viana do Castelo?
Looking for sun? April isn’t a good month to be in Viana do Castelo. The temperature is nice, but there’s too much chance of rain.
Temperature records for Viana do Castelo in April
Check out the climate of Viana do Castelo for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
March
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Daily Temperature in April in Viana do Castelo
This chart shows the average daily high and low temperatures in April for Viana do Castelo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Viana do Castelo
The chart below shows the average daily precipitation in April for Viana do Castelo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 15 days of precipitation in Viana do Castelo.
Daily UV Index in April in Viana do Castelo
This chart shows the average daily UV index in April in Viana do Castelo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Viana do Castelo Over the Years
This chart shows the average temperature in April in Viana do Castelo, measured in degrees Celsius, over the past few years.
Total Precipitation in April in Viana do Castelo Over the Years
This chart shows the average precipitation in April in Viana do Castelo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in April for Viana do Castelo
Click on any day in April to get detailed info about the usual weather on that day in Viana do Castelo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Viana do Castelo
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Average Weather in Viana do Castelo by Month
Click on a month below to see detailed weather info for Viana do Castelo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Viana do Castelo for all months at once
