Quick decision
When to visit Porto?
🌞 Best time overall
August
🌡️ Optimal temperature
61°F–75°F in August
🌧 Least rain
8% rainy days in August
🌧 Wettest month
December (47%)
📅 Best score
8.9/10
By trip type
Best time by type of trip
Porto & Wine CellarsYear-round — Vila Nova de Gaia cellars, tastings, Douro cruises.
Lello Bookshop & CultureOctober-May — Lello bookshop, São Bento station, Serralves Museum.
Trams & AzulejosYear-round — historic tram, azulejo facades, Clérigos.
Douro HikingSeptember–October — harvest, train to Peso da Régua.
FamilyJune–August — Matosinhos beaches 20 min away, summer festivals.
BudgetNovember–March — affordable flights + hotels, cheaper than Lisbon.
Monthly climate data
Porto weather month by month
| Month | Min °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 45°F | 57°F | 40% | 0.2in | 8.1h | 5.0/10 |
| ⛅ February | 46°F | 59°F | 37% | 0.2in | 9.0h | 6.1/10 |
| 🌦️ March | 48°F | 59°F | 46% | 0.2in | 10.1h | 5.7/10 |
| 🌦️ April | 52°F | 63°F | 42% | 0.2in | 11.6h | 7.0/10 |
| 🌤️ May | 55°F | 68°F | 31% | 0.1in | 13.0h | 7.6/10 |
| 🌤️ June | 59°F | 70°F | 26% | 0.1in | 13.2h | 8.0/10 |
| 🌤️ July | 61°F | 73°F | 10% | 0.0in | 13.4h | 8.8/10 |
| 🌤️ August | 61°F | 75°F | 8% | 0.0in | 12.5h | 8.9/10 |
| 🌤️ September | 61°F | 72°F | 19% | 0.1in | 11.0h | 8.0/10 |
| 🌤️ October | 57°F | 68°F | 40% | 0.2in | 9.5h | 7.1/10 |
| 🌦️ November | 50°F | 61°F | 50% | 0.3in | 7.9h | 5.2/10 |
| 🌦️ December | 48°F | 57°F | 47% | 0.2in | 7.3h | 4.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 17°F, 40% rainy days, 11.6h sunshine/day. Score: 6.8/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 23°F, 15% rainy days, 13.0h sunshine/day. Score: 8.6/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 19°F, 36% rainy days, 9.5h sunshine/day. Score: 6.8/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 14°F, 41% rainy days, 8.1h sunshine/day. Score: 5.2/10.
Accommodation
Find a place to stay in Porto
Check availability during the recommended period
Tip : April, October offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Porto
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Porto
Compare flights from all airlines.
Search flights
Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
August is ideal with 8% rainy days and 24°F.
December is the wettest month with 47% rainy days.
Yes, August is the best month with an average of 24°F.
In winter, the average score is 5.2/10. Difficult period — prefer the peak season.
Also explore
Destinations with similar climate
Weather rankings
Compare destinations by weather
Guides & comparisons