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Weather in Viana do Castelo for March 2026

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

    Official Weather Alert ⚠️

  • Yellow Snow Warning - See hour by hour.

    • Temperatures

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

  • The forecast for the next days in Viana do Castelo predicts temperatures to be around 14 °C, close to the historical average.

  • In general, the average temperature in Viana do Castelo at the beginning of March is 13.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.9 °C by the end of March.

    • Rain 🌧️

  • Viana do Castelo in March brings notable rainfall, with an average of 20 rainy days and a total precipitation of 668.9 mm.

    • More

  • Is March 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
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/6°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Viana do Castelo Weather March

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

Temperatures trend during March in Viana do Castelo

See the weather trend as well as the moving average line

March weather in Viana do Castelo day by day

Click on a date for more information
February April
Date Weather Temperatures Rain UV More
1 Mar. Sunny
Sunny
 14° /6° 2.4 mm 3
2 Mar. Partly cloudy
Partly cloudy
 12° /5° 10.2 mm 3
3 Mar. Sunny
Sunny
 14° /7° 2.1 mm 3
4 Mar. Sunny
Sunny
 16° /7° 2.7 mm 4
5 Mar. Patchy rain possible
Patchy rain possible
 13° /8° 5 mm 3
6 Mar. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /8° 6.1 mm 3
7 Mar. Light rain shower
Light rain shower
 13° /8° 20.8 mm 3
8 Mar. Light rain shower
Light rain shower
 13° /8° 21.8 mm 3
9 Mar. Moderate rain
Moderate rain
 11° /7° 8.6 mm 0.4
10 Mar. Sunny
Sunny
 14° /7° 0 mm 0.8
11 Mar. Partly cloudy
Partly cloudy
 16° /10° 0 mm 0.8
12 Mar. Sunny
Sunny
 15° /8° 0 mm 1
13 Mar. Patchy rain possible
Patchy rain possible
 13° /8° 4.4 mm 0.2
14 Mar. Patchy rain possible
Patchy rain possible
 13° /9° 1.7 mm 3
15 Mar. Sunny
Sunny
 15° /6° 0 mm 3
16 Mar. Sunny
Sunny
 15° /7° 0 mm 4
17 Mar. Patchy rain possible
Patchy rain possible
 14° /7° 0.9 mm 2
18 Mar. Patchy rain possible
Patchy rain possible
 11° /6° 3.3 mm 2
19 Mar. Patchy rain possible
Patchy rain possible
 14° /12° 1.9 mm 3
20 Mar. Patchy rain possible
Patchy rain possible
 14° /12° 0.6 mm 3
21 Mar. Patchy rain possible
Patchy rain possible
 13° /10° 0.8 mm 3
22 Mar. Patchy rain possible
Patchy rain possible
 12° /10° 2.4 mm 3
23 Mar. Overcast
Overcast
 16° /9° 2.8 mm 4
24 Mar. Patchy rain possible
Patchy rain possible
 17° /9° 2.1 mm 4
25 Mar. Moderate rain
Moderate rain
 15° /7° 3 mm 4
26 Mar. Patchy rain possible
Patchy rain possible
 15° /8° 6.5 mm 4
27 Mar. Sunny
Sunny
 15° /7° 3.4 mm 4
28 Mar. Partly cloudy
Partly cloudy
 17° /9° 5.5 mm 4
29 Mar. Patchy rain possible
Patchy rain possible
 17° /9° 4.4 mm 4
30 Mar. Light rain shower
Light rain shower
 16° /9° 8.2 mm 4
31 Mar. Light rain shower
Light rain shower
 16° /10° 5.7 mm 4
Next
Important Notice
Our weather forecast for Viana do Castelo in March 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 March vs February vs April

Compare March 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.
FebruaryMarchApril
WeatherSunny
Sunny
Light rain shower
Light rain shower
Patchy rain possible
Patchy rain possible
Temperatures16°/6°17°/6°21°/8°
Rainfall297 mm669 mm322 mm
Wind19.4 km/h23.7 km/h20.3 km/h
Humidity76%79%75%
Rainy days14 days20 days11 days
Dry days15 days11 days19 days

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

Viana do Castelo in March - FAQ

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

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.

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

Significant rainfall exceeding 668.9 mm is expected in Viana do Castelo during March, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.

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

The average wind speed in Viana do Castelo during March is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Viana do Castelo in March?

As you prepare for your trip to Viana do Castelo in March, 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 March, 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
    • 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

March rainfall patterns in Viana do Castelo

Explore the daily rainfall trends and prepare for Viana do Castelos March weather 💧
Typically, Viana do Castelo has 20 rainy days in March with a total of 668.9 mm of rainfall.

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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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