Normal weather for Viana do Castelo in July
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.
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.
Viana do Castelo in July |
New York | ||
|---|---|---|---|
 Average Temperature |
25°C | 31°C | |
 High Temp |
27°C | 33°C | |
| Low Temp |
23°C | 29°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. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
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.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
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.
Because temperatures drop in the evening, wearing layers is recommended. A T-shirt, light pants or skirt, and a light jacket are great for the day. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
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Water temperature
The water temperature at Viana do Castelo is 15°C this month. This is probably too cold to swim without protective gear.
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.
Is July a good time to visit Viana do Castelo?
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.
Temperature records for Viana do Castelo in July
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.
June
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Daily Temperature in July in Viana do Castelo
This chart shows the average daily high and low temperatures in July for Viana do Castelo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in July in Viana do Castelo
The chart below shows the average daily precipitation in July for Viana do Castelo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 4 days of precipitation in Viana do Castelo.
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.
Temperature in July in Viana do Castelo Over the Years
This chart shows the average temperature in July in Viana do Castelo, measured in degrees Celsius, over the past few years.
Total Precipitation in July in Viana do Castelo Over the Years
This chart shows the average precipitation in July in Viana do Castelo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate 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.
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.
Or check out the climate of Viana do Castelo for all months at once
