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When to go · Viana do Castelo

Viana do Castelo, month by month

The best months for Viana do Castelo: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Nov, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Nov–Feb (wet and windy); mid-August if you want quiet (Agonia festival crowds).14 °C / 7 °C, 14 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Nov–Feb (wet and windy); mid-August if you want quiet (Agonia festival crowds).15 °C / 7 °C, 13 rain daysCrowds: Low
  3. MarchGoodOutside the best window (May–Sep). Across Portugal: Warming up; good for cities and walking the Alentejo.17 °C / 8 °C, 12 rain daysCrowds: Medium
  4. AprilGoodOutside the best window (May–Sep). Across Portugal: Easter and 25 April (Freedom Day) bring domestic crowds; wildflowers in the south.18 °C / 9 °C, 12 rain daysCrowds: Medium
  5. MayGreatInside Viana do Castelo's best window: May–Sep.20 °C / 11 °C, 10 rain daysCrowds: Medium
  6. JuneGreatInside Viana do Castelo's best window: May–Sep.24 °C / 14 °C, 6 rain daysCrowds: High · 1 festival or holiday
  7. JulyGreatInside Viana do Castelo's best window: May–Sep.26 °C / 16 °C, 4 rain daysCrowds: High
  8. AugustGreatInside Viana do Castelo's best window: May–Sep.26 °C / 16 °C, 4 rain daysCrowds: High
  9. SeptemberGreatInside Viana do Castelo's best window: May–Sep.25 °C / 15 °C, 7 rain daysCrowds: Medium
  10. OctoberGoodOutside the best window (May–Sep). Across Portugal: Good city weather; first autumn storms in the north. Big-wave season starts in Nazaré.21 °C / 13 °C, 12 rain daysCrowds: Medium
  11. NovemberAvoidListed as a month to avoid: Nov–Feb (wet and windy); mid-August if you want quiet (Agonia festival crowds).17 °C / 10 °C, 13 rain daysCrowds: Low
  12. DecemberAvoidListed as a month to avoid: Nov–Feb (wet and windy); mid-August if you want quiet (Agonia festival crowds).15 °C / 8 °C, 14 rain daysCrowds: Medium