Temperatures in March
It's cool to moderate in March in Viana do Castelo with an average temperature of 17°C. Temperatures this month range from a low of 14°C to a high of 19°C. At night, you can expect temperatures between 7°C and 10°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Viana do Castelo in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in Viana do Castelo with cool temperatures, averaging around 16°C during the day and nights close to 9°C. Plenty of days with a chance of precipitation.
Mid-March
By mid-March, the average daytime temperature rises to around 18°C, with nights close to 8°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of March
By the end of March, the average daytime temperature in Viana do Castelo will be around 18°C, with nights close to 9°C. A shower might show up, but overall the weather will be dry and sunny.
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Water temperature
The water temperature at Viana do Castelo is 16°C this month. This is probably too cold to swim without protective gear.
Precipitation in March
In March, there is an average of 110 mm of precipitation, spread over 13 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 41% per day this month. The weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for Viana do Castelo. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Viana do Castelo in March |
London | ||
|---|---|---|---|
 Average Temperature |
17°C | 11°C | |
 High Temp |
19°C | 14°C | |
| Low Temp |
14°C | 8°C | |
 Total Precipitation |
110 mm | 55 mm | |
| Rainy Days |
13 days | 9 days | |
February
UV index
The UV index is a maximum of 6 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 March a good time to visit Viana do Castelo?
Looking for sun and warm weather? Then March isn’t the best time to be in Viana do Castelo. The temperature is too low this month for a warm stay.
Temperature records for Viana do Castelo in March
With 29°C, Viana do Castelo hit the highest temperature in the last 10 years in March 2021. The lowest daytime temperature in this month was 10°C in 2017. The extreme night temperatures ranged from a low of 1°C to a high of 15°C.
Check out the climate of Viana do Castelo for all months and discover the best travel time
Curious about the climate in other parts of Portugal? Check out the weather and climate in places like Algarve, Lisbon, Albufeira, or have a look at other destinations in Portugal.
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Daily Temperature in March in Viana do Castelo
This chart shows the average daily temperatures, both day and night, for each day in March in Viana do Castelo, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in Viana do Castelo
The chart below shows the average daily precipitation in March for Viana do Castelo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 13 days of rain in Viana do Castelo.
Daily UV Index in March in Viana do Castelo
This chart shows the average daily UV index in March 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 March in Viana do Castelo Over the Years
This chart shows the average temperature in March in Viana do Castelo, measured in degrees Celsius, over the past years.
Total Precipitation in March in Viana do Castelo Over the Years
This chart shows the average precipitation in March in Viana do Castelo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in March for Viana do Castelo
Click on a specific day in March for detailed info on the typical 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 March 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
