Climate in Viana do Castelo

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from 2 measuring stations in Viana do Castelo.
All data correspond to the average monthly values of the last 20 years.

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Viana do Castelo is the coldest region in Portugal with an average high temperature of only 19°C. Due to the warmer temperatures the best time for traveling is from July to August. Nearly unattractive for tourists are the cold months from November to March.
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Hours of sunshine per daySunshine hours per day in Viana do Castelo
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 10 hours per day, July is the sunniest month in the region of Viana do Castelo. In December the sun shines the shortest.
Rainy days per monthRainy days per month in Viana do Castelo
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 15 rainy days, January offers the most number of rainy days, and in July the least.
Precipitation in mm/dayPrecipitation in Viana do Castelo
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 1.2 mm, the least rain falls in July. October, on the other hand, has the most rain.
Map of Viana do Castelo

Most important cities in the region »Viana do Castelo«

Only very small villages are located here. The two biggest are Ponte de Lima and Monção.

Ponte de Lima44,66741° 46' 2"N8° 35' 2"W
Monção19,73842° 4' 44"N8° 28' 51"W
Viana do Castelo15,55541° 41' 36"N8° 49' 58"W
Valenza14,17242° 1' 27"N8° 38' 5"W
Meadela9,98141° 42' 24"N8° 47' 47"W
Darque8,09241° 40' 60"N8° 46' 0"W
Mozelos7,23041° 52' 4"N8° 23' 52"W
Vila Praia de Âncora4,98741° 48' 40"N8° 51' 9"W
Areosa4,62641° 43' 4"N8° 51' 25"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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