Best Time to Visit Viana do Castelo: Month-by-Month Guide
Best months for Viana do Castelo: July, August, June, September.
- Best months for Viana do Castelo: July, August, June, September.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: June. Good weather without the busiest period.
- Wettest months: November, December, January.
- The least pleasant month is January (score 5.1).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 13°C | 7°C | 218 mm | 14 | – | – | 5.1 |
| February | 14°C | 7°C | 143 mm | 10 | – | – | 6.1 |
| March | 15°C | 8°C | 165 mm | 11 | – | – | 6.2 |
| April | 16°C | 10°C | 154 mm | 13 | – | – | 6.1 |
| May | 19°C | 12°C | 133 mm | 12 | – | – | 6.7 |
| June | 21°C | 14°C | 56 mm | 7 | – | – | 8.1 |
| July | 23°C | 16°C | 32 mm | 4 | – | – | 8.5 |
| August | 24°C | 16°C | 45 mm | 5 | – | – | 8.4 |
| September | 22°C | 15°C | 89 mm | 7 | – | – | 8.1 |
| October | 19°C | 12°C | 232 mm | 13 | – | – | 6.2 |
| November | 15°C | 9°C | 232 mm | 14 | – | – | 5.4 |
| December | 13°C | 8°C | 227 mm | 14 | – | – | 5.2 |
Frequently asked questions
When is the best time to visit Viana do Castelo?
The best months are July, August, June, September.
When is the rainy season in Viana do Castelo?
The wettest months are November, December, January.