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Best Time to Visit Viana do Castelo

Complete weather & hotel guide for Viana do Castelo, Portugal

The best time to visit Viana do Castelo is July to August. During this period, average temperatures range from 17°C to 26°C with comfortable conditions for sightseeing. Viana do Castelo has 28 hotels available on HOTEVI.

Quick Answer

Best months to visit: August

28 hotels available in Viana do Castelo

Month-by-Month Weather Guide

Month Avg High (°C) Avg Low (°C) Rainfall (mm) Rating
January 14 5 - ★★★☆☆
February 16 7 - ★★★☆☆
March 17 8 - ★★★☆☆
April 19 10 - ★★★★☆
May 22 12 - ★★★★☆
June 24 15 - ★★★★☆
July 26 16 - ★★★★☆
August 26 17 - ★★★★★
September 24 16 - ★★★★☆
October 22 14 - ★☆☆☆☆
November 17 10 - ★☆☆☆☆
December 15 9 - ★☆☆☆☆

Seasonal Overview

Spring
17°C – 22°C

Ideal for sightseeing

Moderate
Summer
24°C – 26°C

Ideal for sightseeing

High season
Autumn
17°C – 24°C

Ideal for sightseeing

Low season
Winter
14°C – 16°C

Cool and dry

Low season

Ready to book? Browse 28 hotels in Viana do Castelo

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Frequently Asked Questions

What is the best month to visit Viana do Castelo?

The best months to visit Viana do Castelo are July to August. These months offer the most comfortable weather for sightseeing and outdoor activities.

What is the weather like in Viana do Castelo in May?

May: Avg High 22°C, Avg Low 12°C, Rainfall 0mm.

Is Viana do Castelo worth visiting in Spring?

Spring is a reasonable time to visit Viana do Castelo. While not peak season, you can still enjoy the city with fewer crowds and often lower hotel rates.

Why Book on HOTEVI?

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