Weather in May 2025

Viana do Castelo weather in May 2025

The temperatures in Viana do Castelo in May are usually low and can range between 12°C and 19°C.

You can expect about 3 to 8 days of rain in Viana do Castelo during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Viana do Castelo in May 2025.

If you’re planning to visit Viana do Castelo in the near future, we highly recommend that you review the 14 day weather forecast for Viana do Castelo before you arrive.

Temperatures
Temperatures
19° / 12°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
26
Rainfall
Rainfall
34
mm
2.5
Sun Hours
2.5
Hrs

Viana do Castelo annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 13° / 8° 9 22 0 77 mm
Bad
February 14° / 8° 7 21 0 57 mm
Ok
March 15° / 9° 8 23 0 59 mm
Ok
April 17° / 10° 7 23 0 49 mm
Good
May 19° / 12° 5 26 0 34 mm
Good
June 21° / 15° 3 27 0 17 mm
Good
July 23° / 16° 1 30 0 7 mm
Perfect
August 24° / 17° 1 30 0 8 mm
Perfect
September 23° / 16° 3 27 0 26 mm
Perfect
October 20° / 14° 9 22 0 90 mm
Ok
November 16° / 11° 10 20 0 79 mm
Ok
December 14° / 9° 10 21 0 86 mm
Ok
Temperatures in Viana do Castelo in May
Rain in Viana do Castelo in May

Weather in Viana do Castelo in May - FAQ

What is the average temperature in Viana do Castelo in May?
The average temperature in Viana do Castelo in May is 12/19° C.
What is the chance of rain in Viana do Castelo in May?
On average, there are 5 rainy days in Viana do Castelo during May.
Weather wise, is May a good time to visit Viana do Castelo?
The weather in Viana do Castelo in May is good.
Can it snow in Viana do Castelo in May?
On average, there are 0 snowy days in Viana do Castelo in May.
More about the weather in Viana do Castelo