Temperatures in October
It's pleasantly warm in October in Viana do Castelo with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 23°C. At night, you can expect temperatures between 11°C and 15°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Viana do Castelo in October. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of October
The month of October starts in Viana do Castelo with warm temperatures, averaging around 23°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-October
By mid-October, the average daytime temperature drops to around 22°C, with nights close to 14°C. The chance of precipitation is high during this period.
End of October
By the end of October, the average daytime temperature in Viana do Castelo will be around 21°C, with nights close to 13°C. There’s a significant chance of many days with precipitation.
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Water temperature
The water temperature at Viana do Castelo is 21°C this month. Pleasant for a swim.
Precipitation in October
In October, there is an average of 180 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 40% 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 October 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 October |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 15°C | |
 High Temp |
23°C | 17°C | |
| Low Temp |
19°C | 13°C | |
 Total Precipitation |
180 mm | 115 mm | |
| Rainy Days |
13 days | 14 days | |
September
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is October a good time to visit Viana do Castelo?
After some sun? Then October isn’t the best time to be in Viana do Castelo. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Viana do Castelo in October
With 32°C, Viana do Castelo hit the highest temperature in the last 10 years in October 2017. The lowest daytime temperature in this month was 11°C in 2018. The extreme night temperatures ranged from a low of 2°C to a high of 20°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 October in Viana do Castelo
This chart shows the average daily temperatures, both day and night, for each day in October 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 October in Viana do Castelo
The chart below shows the average daily precipitation in October 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 October, you can expect around 13 days of rain in Viana do Castelo.
Daily UV Index in October in Viana do Castelo
This chart shows the average daily UV index in October 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 October in Viana do Castelo Over the Years
This chart shows the average temperature in October in Viana do Castelo, measured in degrees Celsius, over the past years.
Total Precipitation in October in Viana do Castelo Over the Years
This chart shows the average precipitation in October 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 October for Viana do Castelo
Click on a specific day in October 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 October 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
