Weather in Viana do Castelo for January 2026
In general, the average temperature in Viana do Castelo at the beginning of January is 13.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 14.1 °C by the end of January.
Viana do Castelo in January brings notable rainfall, with an average of 20 rainy days and a total precipitation of 658.9 mm.
Is January a good time to visit Viana do Castelo? check out the best time to travel to Viana do Castelo page.
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Viana do Castelo Weather January
Temperatures trend during January in Viana do Castelo
January weather in Viana do Castelo day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Moderate or heavy rain shower | 13° /8° | 26.3 mm | 3 | |
| 2 Jan. |  Patchy rain possible | 14° /8° | 8.4 mm | 3 | |
| 3 Jan. |  Partly cloudy | 13° /9° | 3.2 mm | 3 | |
| 4 Jan. |  Cloudy | 15° /9° | 3.3 mm | 3 | |
| 5 Jan. | Light rain shower | 14° /9° | 15.2 mm | 3 | |
| 6 Jan. | Patchy rain possible | 13° /7° | 2.8 mm | 3 | |
| 7 Jan. | Moderate or heavy rain shower | 14° /9° | 21.7 mm | 3 | |
| 8 Jan. | Moderate or heavy rain shower | 13° /9° | 18.1 mm | 3 | |
| 9 Jan. |  Overcast | 14° /10° | 2.2 mm | 3 | |
| 10 Jan. | Light rain shower | 14° /10° | 4.1 mm | 3 | |
| 11 Jan. |  Heavy rain at times | 14° /8° | 6.1 mm | 4 | |
| 12 Jan. | Patchy rain possible | 13° /7° | 0.2 mm | 4 | |
| 13 Jan. | Overcast | 13° /8° | 4.2 mm | 3 | |
| 14 Jan. | Patchy rain possible | 14° /9° | 9.3 mm | 4 | |
| 15 Jan. | Cloudy | 14° /8° | 5.6 mm | 3 | |
| 16 Jan. | Heavy rain at times | 14° /10° | 12.7 mm | 4 | |
| 17 Jan. | Heavy rain at times | 14° /8° | 12.6 mm | 3 | |
| 18 Jan. | Moderate rain at times | 12° /6° | 6.1 mm | 3 | |
| 19 Jan. | Moderate or heavy rain shower | 12° /6° | 7.5 mm | 3 | |
| 20 Jan. | Patchy rain possible | 13° /7° | 4.5 mm | 3 | |
| 21 Jan. | Cloudy | 15° /8° | 4.4 mm | 4 | |
| 22 Jan. | Partly cloudy | 13° /9° | 5.5 mm | 3 | |
| 23 Jan. |  Sunny | 14° /7° | 0 mm | 4 | |
| 24 Jan. | Sunny | 14° /8° | 8 mm | 4 | |
| 25 Jan. | Sunny | 14° /8° | 2.5 mm | 4 | |
| 26 Jan. | Overcast | 15° /8° | 11.2 mm | 4 | |
| 27 Jan. | Sunny | 15° /8° | 4.9 mm | 4 | |
| 28 Jan. | Partly cloudy | 14° /8° | 2.2 mm | 4 | |
| 29 Jan. | Sunny | 13° /8° | 6.8 mm | 4 | |
| 30 Jan. | Sunny | 14° /7° | 0 mm | 4 | |
| 31 Jan. | Sunny | 14° /6° | 0 mm | 4 | |
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Viana do Castelo weather in January vs December vs February
| December | January | February | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Sunny |
| Temperatures | 15°/7° | 15°/5° | 16°/6° |
| Rainfall | 422 mm | 659 mm | 297 mm |
| Wind | 19.6 km/h | 23.1 km/h | 19.4 km/h |
| Humidity | 79% | 79% | 76% |
| Rainy days | 9 days | 20 days | 14 days |
| Dry days | 22 days | 11 days | 15 days |
Planning a trip to Viana do Castelo? Discover the best time to visit
Viana do Castelo in January - FAQ
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
Quick links
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.