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Weather in Viana do Castelo for January 2026

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

    Official Weather Alert ⚠️

  • Yellow Coastal Event Warning - See hour by hour.

    • Temperatures

  • The forecast for the next days in Viana do Castelo predicts temperatures to be around 12 °C, close to the historical average.

  • In general, the average temperature in Viana do Castelo at the beginning of January is 12.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.1 °C by the end of January.

    • Rain 🌧️

  • Viana do Castelo in January brings notable rainfall, with an average of 20 rainy days and a total precipitation of 658.9 mm.

    • More

  • Is January 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
15°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Viana do Castelo Weather January

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

Temperatures trend during January in Viana do Castelo

See the weather trend as well as the moving average line

January weather in Viana do Castelo day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /7° 20.7 mm 2
2 Jan. Patchy rain possible
Patchy rain possible
 13° /8° 8 mm 3
3 Jan. Partly cloudy
Partly cloudy
 14° /9° 2.6 mm 3
4 Jan. Patchy rain possible
Patchy rain possible
 14° /8° 2.5 mm 3
5 Jan. Light rain shower
Light rain shower
 13° /7° 11.4 mm 3
6 Jan. Patchy rain possible
Patchy rain possible
 12° /6° 2.1 mm 2
7 Jan. Patchy rain possible
Patchy rain possible
 11° /6° 2.8 mm 0.3
8 Jan. Moderate rain
Moderate rain
 13° /7° 7.7 mm 0.2
9 Jan. Patchy rain possible
Patchy rain possible
 13° /10° 2.1 mm 0.2
10 Jan. Patchy rain possible
Patchy rain possible
 11° /7° 0.1 mm 0.3
11 Jan. Heavy rain
Heavy rain
 15° /8° 30.9 mm 0
12 Jan. Patchy rain possible
Patchy rain possible
 14° /12° 4.4 mm 3
13 Jan. Patchy rain possible
Patchy rain possible
 12° /8° 4.1 mm 3
14 Jan. Sunny
Sunny
 11° /6° 0 mm 3
15 Jan. Patchy rain possible
Patchy rain possible
 12° /8° 1.7 mm 2
16 Jan. Patchy rain possible
Patchy rain possible
 12° /8° 2.6 mm 2
17 Jan. Patchy rain possible
Patchy rain possible
 11° /8° 4.5 mm 2
18 Jan. Patchy rain possible
Patchy rain possible
 12° /7° 1.3 mm 2
19 Jan. Patchy rain possible
Patchy rain possible
 11° /7° 0.1 mm 2
20 Jan. Patchy rain possible
Patchy rain possible
 12° /9° 0.4 mm 3
21 Jan. Cloudy
Cloudy
 15° /8° 4.4 mm 4
22 Jan. Partly cloudy
Partly cloudy
 13° /9° 5.5 mm 3
23 Jan. Sunny
Sunny
 14° /7° 0 mm 4
24 Jan. Sunny
Sunny
 14° /8° 8 mm 4
25 Jan. Sunny
Sunny
 14° /8° 2.5 mm 4
26 Jan. Overcast
Overcast
 15° /8° 11.2 mm 4
27 Jan. Sunny
Sunny
 15° /8° 4.9 mm 4
28 Jan. Partly cloudy
Partly cloudy
 14° /8° 2.2 mm 4
29 Jan. Sunny
Sunny
 13° /8° 6.8 mm 4
30 Jan. Sunny
Sunny
 14° /7° 0 mm 4
31 Jan. Sunny
Sunny
 14° /6° 0 mm 4
Next
Important Notice
Our weather forecast for Viana do Castelo in January 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.
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Viana do Castelo weather in January vs December vs February

Compare January 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.
DecemberJanuaryFebruary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures15°/7°15°/5°16°/6°
Rainfall422 mm659 mm297 mm
Wind19.6 km/h23.1 km/h19.4 km/h
Humidity79%79%76%
Rainy days9 days20 days14 days
Dry days22 days11 days15 days

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

Viana do Castelo in January - FAQ

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

During January, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.

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

Significant rainfall exceeding 658.9 mm is expected in Viana do Castelo during January, 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 January?

The average wind speed in Viana do Castelo during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Viana do Castelo in January?

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

January rainfall patterns in Viana do Castelo

Explore the daily rainfall trends and prepare for Viana do Castelos January weather 💧
Typically, Viana do Castelo has 20 rainy days in January with a total of 658.9 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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