Weather in Viana do Castelo for May 2027
In general, the average temperature in Viana do Castelo at the beginning of May is 17.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.9 °C by the end of May.
Viana do Castelo experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 98.1 mm.
Is May 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 May
Temperatures trend during May in Viana do Castelo
May weather in Viana do Castelo day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 18° /9° | 3.8 mm | 5 | |
| 2 May |  Partly cloudy | 18° /11° | 7.6 mm | 4 | |
| 3 May |  Moderate or heavy rain shower | 17° /11° | 10.2 mm | 4 | |
| 4 May | Moderate or heavy rain shower | 17° /11° | 14.4 mm | 4 | |
| 5 May | Patchy rain possible | 18° /10° | 12.4 mm | 4 | |
| 6 May | Partly cloudy | 18° /9° | 2.5 mm | 6 | |
| 7 May |  Overcast | 19° /10° | 0 mm | 6 | |
| 8 May |  Sunny | 20° /12° | 1.7 mm | 5 | |
| 9 May | Patchy rain possible | 18° /12° | 5.3 mm | 4 | |
| 10 May | Partly cloudy | 18° /11° | 8.1 mm | 4 | |
| 11 May | Sunny | 18° /10° | 4 mm | 4 | |
| 12 May | Sunny | 18° /10° | 1.5 mm | 4 | |
| 13 May | Sunny | 17° /10° | 1.7 mm | 6 | |
| 14 May | Sunny | 18° /9° | 1.6 mm | 6 | |
| 15 May | Sunny | 18° /10° | 1.9 mm | 5 | |
| 16 May | Overcast | 18° /10° | 1.2 mm | 6 | |
| 17 May | Partly cloudy | 20° /11° | 0.7 mm | 6 | |
| 18 May | Partly cloudy | 18° /10° | 2.4 mm | 6 | |
| 19 May | Patchy rain possible | 18° /11° | 2.2 mm | 5 | |
| 20 May | Overcast | 20° /10° | 0.2 mm | 6 | |
| 21 May |  Cloudy | 20° /11° | 0.7 mm | 6 | |
| 22 May | Sunny | 21° /12° | 0.7 mm | 7 | |
| 23 May | Partly cloudy | 22° /12° | 0.5 mm | 6 | |
| 24 May | Overcast | 22° /13° | 0.2 mm | 6 | |
| 25 May | Sunny | 21° /13° | 0.3 mm | 7 | |
| 26 May | Moderate or heavy rain shower | 21° /12° | 2 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 22° /13° | 2.9 mm | 6 | |
| 28 May | Sunny | 22° /13° | 4.9 mm | 7 | |
| 29 May | Sunny | 22° /14° | 0.5 mm | 7 | |
| 30 May | Sunny | 22° /14° | 1.9 mm | 7 | |
| 31 May | Sunny | 23° /14° | 0.1 mm | 7 | |
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Viana do Castelo weather in May vs April vs June
| April | May | June | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 18°/10° | 19°/12° | 22°/14° |
| Rainfall | 94 mm | 98 mm | 59 mm |
| Wind | 19.9 km/h | 20.8 km/h | 19.7 km/h |
| Humidity | 75% | 75% | 77% |
| Rainy days | 23 days | 21 days | 14 days |
| Dry days | 7 days | 10 days | 16 days |
Planning a trip to Viana do Castelo? Discover the best time to visit
Viana do Castelo in May - FAQ
What are the expected maximum and minimum temperatures in Viana do Castelo during May?
How much rainfall should be expected in Viana do Castelo during May?
What are the typical wind conditions in Viana do Castelo during May?
May rainfall patterns in Viana do Castelo
UV exposure in Viana do Castelo during May
What to pack to Viana do Castelo in May?
Mild · highs around 19 °C, frequent showers
As you prepare for your trip to Viana do Castelo in May, 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 May, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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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.