Climate of Viana do Castelo
Viana do Castelo has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for Viana do Castelo is 34° degrees and there is about 305 inch of rain in a year. It is dry for 206 days a year with an average humidity of 77% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 13°C and 23°C
- Night:the average nighttime temperature is between 8°C and 17°C
- Sea temperature: the sea temperature is between 15°C and 20°C
- Rain: it rains 139 days and there is a total of approximately 775 mm rainfall
- Sun hours: throughout the year there are 2983 sun hours
Maximum temperature: | between 13°C and 23°C |
Warmest month: | 23°C in August |
Coldest month: | 13°C in January |
Night temperature: | between 8°C and 17°C |
Sea temperature: | between 15°C and 20°C |
Dry days: | 226 days |
Days with rain: | 139 days |
Days with snow: | 0 days |
Total rain sum: | 775 mm |
Hours of sunshine: | 2983 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Viana do Castelo.
Precipitation graph
This graph shows the average amount of rainfall per month for Viana do Castelo.
Climate table of Viana do Castelo
In this climate table you can see at a glance what the average weather per month is for Viana do Castelo. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Viana do Castelo might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°F) | 55 | 55 | 58 | 61 | 65 | 69 | 72 | 73 | 72 | 68 | 60 | 56 |
Night temp. (°F) | 48 | 47 | 49 | 51 | 55 | 59 | 61 | 62 | 61 | 59 | 53 | 50 |
Water temp. (°F) | 59 | 59 | 60 | 63 | 66 | 66 | 67 | 67 | 68 | 68 | 65 | 62 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 44 | 31 | 30 | 20 | 20 | 11 | 5 | 5 | 12 | 44 | 50 | 35 |
Days with rain | 17 | 13 | 15 | 13 | 11 | 9 | 6 | 5 | 7 | 13 | 16 | 14 |
Dry days | 14 | 15 | 16 | 17 | 20 | 21 | 25 | 26 | 23 | 18 | 14 | 17 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 9 | 7 | 5 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
UV-index | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 3 |
Best time to visit Viana do Castelo
The best time to visit Viana do Castelo in Portugal is from May through September. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Viana do Castelo is 73°F in August and the lowest is 55°F in January. The highest water temperature is 68°F and at its coldest the water is 59°F.
Climate of Viana do Castelo by month
What is the average climate in a given month for Viana do Castelo? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Viana do Castelo weather experiences
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