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PortugalThe weather in July in Viana do Castelo
It's warm in July in Viana do Castelo with an average temperature of 25°C. Temperatures this month range from a low of 23°C to a high of 27°C. At night, you can expect temperatures between 15°C and 17°C.
Looking for great weather? July is a good time to be in Viana do Castelo. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Viana do Castelo, Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2020, Viana do Castelo reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 18°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 25°C.
Water temperature
The water temperature at Viana do Castelo is 15°C this month. This is probably too cold to swim without protective gear.
Rainfall amount
In July, there is an average of 14 mm of precipitation, spread over 4 days. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in July for Viana do Castelo
Click on any day in July to get detailed info about the usual weather on that day in Viana do Castelo. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Viana do Castelo | New York | |
|---|---|---|
| Average temperature | 25°C | 31°C |
| Max. temperature | 27°C | 33°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 14 mm | 160 mm |
| Rainy days | 4 days | 18 days |
Start of July
The month of July starts in Viana do Castelo with warm temps, averaging around 25°C during the day and nights around 16°C.
Mid July
By mid-July, daytime temps rise to around 26°C, with nights around 17°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of July
By the end of July, the average daytime temperature in Viana do Castelo is around 25°C, while nighttime temps are about 17°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Viana do Castelo for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Temperature charts
These charts show the average temperatures in July in Viana do Castelo, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Viana do Castelo
Temperature in July in Viana do Castelo over the years
Precipitation charts
These charts show the average amount of precipitation in July in Viana do Castelo, Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in Viana do Castelo
Total precipitation in July in Viana do Castelo over the years
Daily UV index in July in Viana do Castelo
This chart shows the average daily UV index in July 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.
Weather experiences in July 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.