Porto Weather by Month
Twelve months of Porto, Portugal weather — averages from 2006–2025.
Porto's warmest month is August (average high 25.5°C (77.9°F)) and the coolest is January (13.1°C (55.6°F)). The most rain falls in November (about 174 mm), and August is the driest (about 17 mm). July is the sunniest, with about 13.5 hours of sunshine a day.
Best months to visit Porto
Ranked within Porto's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Porto month by month
January
GoodHigh 13.1°C (55.6°F)
Low 6.9°C (44.4°F)
- Rainfall
- 166 mm (6.5 in)
- Rainy days
- 13 rainy days
- Sunshine
- 6.6 h sunshine / day
February
GoodHigh 14.2°C (57.6°F)
Low 7.1°C (44.8°F)
- Rainfall
- 128 mm (5 in)
- Rainy days
- 11 rainy days
- Sunshine
- 8 h sunshine / day
March
GoodHigh 15.8°C (60.4°F)
Low 8.3°C (46.9°F)
- Rainfall
- 139 mm (5.5 in)
- Rainy days
- 12 rainy days
- Sunshine
- 9.2 h sunshine / day
April
GoodHigh 17.9°C (64.2°F)
Low 10.3°C (50.5°F)
- Rainfall
- 127 mm (5 in)
- Rainy days
- 12 rainy days
- Sunshine
- 10.9 h sunshine / day
May
GreatHigh 20.2°C (68.4°F)
Low 12.6°C (54.7°F)
- Rainfall
- 83 mm (3.3 in)
- Rainy days
- 10 rainy days
- Sunshine
- 12.1 h sunshine / day
June
GreatHigh 22.6°C (72.7°F)
Low 15°C (59°F)
- Rainfall
- 48 mm (1.9 in)
- Rainy days
- 7 rainy days
- Sunshine
- 13.1 h sunshine / day
July
GreatHigh 25°C (77°F)
Low 16.8°C (62.2°F)
- Rainfall
- 18 mm (0.7 in)
- Rainy days
- 4 rainy days
- Sunshine
- 13.5 h sunshine / day
August
GreatHigh 25.5°C (77.9°F)
Low 16.9°C (62.4°F)
- Rainfall
- 17 mm (0.7 in)
- Rainy days
- 3 rainy days
- Sunshine
- 12.3 h sunshine / day
September
GreatHigh 24.1°C (75.4°F)
Low 15.9°C (60.6°F)
- Rainfall
- 65 mm (2.6 in)
- Rainy days
- 6 rainy days
- Sunshine
- 10.8 h sunshine / day
October
GoodHigh 20.9°C (69.6°F)
Low 13.8°C (56.8°F)
- Rainfall
- 173 mm (6.8 in)
- Rainy days
- 12 rainy days
- Sunshine
- 8.4 h sunshine / day
November
GoodHigh 16.1°C (61°F)
Low 10.2°C (50.4°F)
- Rainfall
- 174 mm (6.9 in)
- Rainy days
- 13 rainy days
- Sunshine
- 7 h sunshine / day
December
GoodHigh 13.9°C (57°F)
Low 7.8°C (46°F)
- Rainfall
- 173 mm (6.8 in)
- Rainy days
- 13 rainy days
- Sunshine
- 6.6 h sunshine / day
More Portugal cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.