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Weather in Viana do Castelo for June 2026

Your guide to Viana do Castelo weather in June - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Heat Warning - See hour by hour.

    • Temperatures

  • Until now, June 2026 in Viana do Castelo is slightly cooler than the historical average by -1.8 °C.

  • The forecast for the upcoming days in Viana do Castelo predicts a temperature of 23.1 °C, which is slightly above the historical average.

  • In general, the average temperature in Viana do Castelo at the beginning of June is 21.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.6 °C by the end of June.

    • Rain 🌧️

  • The climate of Viana do Castelo in June is notably wet, with an average of 12 rainy days, and a total of 65.9 mm of precipitation.

    • More

  • Is June a good time to visit Viana do Castelo? check out the best time to travel to Viana do Castelo page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/14°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Viana do Castelo Weather June

Move between months or click on a day
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
22°
2
Patchy rain possible
22°
3
Sunny
21°
4
Patchy rain possible
20°
5
Sunny
20°
6
Overcast
21°
7
Moderate or heavy rain shower
22°
8
Moderate or heavy rain shower
20°
9
Patchy rain possible
22°
10
Patchy rain possible
23°
11
Patchy rain possible
22°
12
Weather Alert Sunny
29°
13
Weather Alert Patchy rain possible
23°
14
Patchy rain possible
23°
15
Sunny
22°
16
Sunny
23°
17
Sunny
23°
18
Patchy rain possible
23°
19
Patchy rain possible
22°
20
Partly cloudy
22°
21
Sunny
23°
22
Sunny
24°
23
Sunny
23°
24
Sunny
22°
25
Sunny
22°
26
Partly cloudy
24°
27
Sunny
25°
28
Sunny
25°
29
Sunny
24°
30
Patchy rain possible
23°

Temperatures trend during June in Viana do Castelo

See the weather trend as well as the moving average line

June weather in Viana do Castelo day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Sunny
Sunny
 22° /14° 0.2 mm 7
2 Jun. Patchy rain possible
Patchy rain possible
 22° /13° 0.5 mm 7
3 Jun. Sunny
Sunny
 21° /13° 0.3 mm 6
4 Jun. Patchy rain possible
Patchy rain possible
 20° /13° 0.3 mm 6
5 Jun. Sunny
Sunny
 20° /12° 0 mm 7
6 Jun. Overcast
Overcast
 21° /13° 0.8 mm 5
7 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /14° 5.8 mm 7
8 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /14° 11.3 mm 7
9 Jun. Patchy rain possible
Patchy rain possible
 22° /14° 8.3 mm 7
10 Jun. Patchy rain possible
Patchy rain possible
 23° /13° 2.9 mm 7
11 Jun. Patchy rain possible
Patchy rain possible
 22° /13° 0.9 mm 7
12 Jun. Sunny
Sunny
 29° /18° 0 mm 8.6
13 Jun. Patchy rain possible
Patchy rain possible
 23° /18° 2.5 mm 7.7
14 Jun. Patchy rain possible
Patchy rain possible
 23° /16° 3.2 mm 8.4
15 Jun. Sunny
Sunny
 22° /15° 0 mm 8.3
16 Jun. Sunny
Sunny
 23° /15° 0 mm 5
17 Jun. Sunny
Sunny
 23° /15° 0 mm 5
18 Jun. Patchy rain possible
Patchy rain possible
 23° /15° 0.2 mm 4
19 Jun. Patchy rain possible
Patchy rain possible
 22° /16° 0.2 mm 4
20 Jun. Partly cloudy
Partly cloudy
 22° /15° 0 mm 5
21 Jun. Sunny
Sunny
 23° /14° 0 mm 5
22 Jun. Sunny
Sunny
 24° /16° 0 mm 6
23 Jun. Sunny
Sunny
 23° /16° 0 mm 5
24 Jun. Sunny
Sunny
 22° /15° 0 mm 5
25 Jun. Sunny
Sunny
 22° /16° 0 mm 5
26 Jun. Partly cloudy
Partly cloudy
 24° /15° 0.2 mm 6
27 Jun. Sunny
Sunny
 25° /15° 1.7 mm 6
28 Jun. Sunny
Sunny
 25° /16° 2.4 mm 6
29 Jun. Sunny
Sunny
 24° /15° 0.1 mm 6
30 Jun. Patchy rain possible
Patchy rain possible
 23° /15° 0.2 mm 5
Next
Important Notice
Our weather forecast for Viana do Castelo in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Viana do Castelo forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Viana do Castelo weather in June vs May vs July

Compare June weather in Viana do Castelo with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
MayJuneJuly
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures19°/12°22°/14°24°/15°
Rainfall102 mm66 mm20 mm
Wind21 km/h19.2 km/h22.1 km/h
Humidity75%78%75%
Rainy days21 days12 days6 days
Dry days10 days18 days25 days

Planning a trip to Viana do Castelo? Discover the best time to visit

Viana do Castelo in June - FAQ

What are the expected maximum and minimum temperatures in Viana do Castelo during June?

Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Viana do Castelo during June?

Moderate rainfall is anticipated in Viana do Castelo during June, with a total of 65.9 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Viana do Castelo during June?

The average wind speed in Viana do Castelo during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Viana do Castelo in June?

As you prepare for your trip to Viana do Castelo in June, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Viana do Castelo, during June, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

June rainfall patterns in Viana do Castelo

Explore the daily rainfall trends and prepare for Viana do Castelos June weather 💧
Typically, Viana do Castelo has 12 rainy days in June with a total of 65.9 mm of rainfall.

UV exposure in Viana do Castelo during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

Quick links

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Location coordinates Where is Viana do Castelo?

Get accurate weather forecasts for Viana do Castelo, located at latitude 41.693 and longitude -8.833. Stay updated with localized weather information tailored for Viana do Castelo.

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