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Viana do Castelo
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Weather in Viana do Castelo for October 2026

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

    Temperatures

  • So far, October 2026 in Viana do Castelo is slightly warmer than the historical average by 0.6 °C.

  • The forecast for the coming days of October 2026 predicts a temperature of 20.3 °C , which is warmer than usual.

  • In general, the average temperature in Viana do Castelo at the beginning of October is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °C by the end of October.

    • Rain 🌧️

  • The climate of Viana do Castelo in October is notably wet, with an average of 14 rainy days, and a total of 208.4 mm of precipitation.

    • More

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

  • ✨ Is October a good time to visit Viana do Castelo? – Ask the AI Weatherman

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/14°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Viana do Castelo Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
22°
2
Patchy rain possible
22°
3
Mist
22°
4
Sunny
22°
5
Patchy rain possible
23°
6
Moderate rain
22°
7
Light rain
22°
8
Light rain
22°
9
Light rain
22°
10
Overcast
22°
11
Light rain
22°
12
Patchy rain possible
22°
13
Light rain
21°
14
Patchy rain possible
22°
15
Light rain
20°
16
Light rain
20°
17
Moderate rain
20°
18
Moderate rain
20°
19
Moderate rain
18°
20
Light rain
18°
21
Light rain
18°
22
Light rain
18°
23
Light rain
19°
24
Moderate or heavy rain shower
18°
25
Light rain
17°
26
Sunny
22°
27
Patchy rain possible
16°
28
Sunny
21°
29
Overcast
19°
30
Overcast
22°
31
Partly cloudy
22°

Temperatures trend during October in Viana do Castelo

See the weather trend as well as the moving average line

October weather in Viana do Castelo day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Patchy rain possible
Patchy rain possible
 22° /16° 1 mm 5
2 Oct. Patchy rain possible
Patchy rain possible
 22° /15° 1.7 mm 4
3 Oct. Mist
Mist
 22° /15° 0 mm 5
4 Oct. Sunny
Sunny
 22° /15° 0 mm 4.9
5 Oct. Patchy rain possible
Patchy rain possible
 23° /14° 1.4 mm 4.8
6 Oct. Moderate rain
Moderate rain
 22° /15° 10.4 mm 4
7 Oct. Light rain
Light rain
 22° /16° 3.1 mm 4.7
8 Oct. Light rain
Light rain
 22° /15° 9.6 mm 4.6
9 Oct. Light rain
Light rain
 22° /14° 4 mm 4.5
10 Oct. Overcast
Overcast
 22° /14° 0.7 mm 4
11 Oct. Light rain
Light rain
 22° /15° 2.5 mm 4
12 Oct. Patchy rain possible
Patchy rain possible
 22° /15° 1.1 mm 4.3
13 Oct. Light rain
Light rain
 21° /16° 9.3 mm 4.2
14 Oct. Patchy rain possible
Patchy rain possible
 22° /16° 0.8 mm 4.1
15 Oct. Light rain
Light rain
 20° /15° 4.4 mm 4
16 Oct. Light rain
Light rain
 20° /15° 6.5 mm 3.9
17 Oct. Moderate rain
Moderate rain
 20° /15° 11.6 mm 3.9
18 Oct. Moderate rain
Moderate rain
 20° /14° 13.8 mm 3.8
19 Oct. Moderate rain
Moderate rain
 18° /14° 21.7 mm 3.7
20 Oct. Light rain
Light rain
 18° /13° 5.1 mm 3
21 Oct. Light rain
Light rain
 18° /13° 6.1 mm 3
22 Oct. Light rain
Light rain
 18° /12° 3.5 mm 3.5
23 Oct. Light rain
Light rain
 19° /12° 4.7 mm 3.4
24 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /12° 8 mm 3
25 Oct. Light rain
Light rain
 17° /13° 4.5 mm 3
26 Oct. Sunny
Sunny
 22° /10° 0 mm 3.4
27 Oct. Patchy rain possible
Patchy rain possible
 16° /10° 1.5 mm 0.8
28 Oct. Sunny
Sunny
 21° /9° 0 mm 3
29 Oct. Overcast
Overcast
 19° /10° 0 mm 2.8
30 Oct. Overcast
Overcast
 22° /10° 0 mm 6
31 Oct. Partly cloudy
Partly cloudy
 22° /12° 0 mm 6
Next
Important Notice
Our weather forecast for Viana do Castelo in October 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 October vs September vs November

Compare October 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.
SeptemberOctoberNovember
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures22°/15°20°/14°16°/12°
Rainfall69 mm208 mm238 mm
Wind18.5 km/h19.2 km/h21.8 km/h
Humidity71%76%81%
Rainy days8 days14 days15 days
Dry days22 days17 days15 days

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

Viana do Castelo in October - FAQ

What are the expected maximum and minimum temperatures in Viana do Castelo during October?
Enjoy moderate daytime temperatures of up to 20° 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 October?
Significant rainfall exceeding 208.4 mm is expected in Viana do Castelo during October, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Viana do Castelo during October?
The average wind speed in Viana do Castelo during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Viana do Castelo

Explore the daily rainfall trends and prepare for Viana do Castelos October weather 💧
Typically, Viana do Castelo has 14 rainy days in October with a total of 208.4 mm of rainfall.

UV exposure in Viana do Castelo during October

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

What to pack to Viana do Castelo in October?

🌦️ Mild · highs around 20 °C, frequent showers

As you prepare for your trip to Viana do Castelo in October, 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 October, is comfortable and enjoyable, regardless of the weather conditions.

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🧥 Clothing

👟 Footwear

🎒 Accessories

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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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