When to go
The Best Time to Visit Porto
Month-by-month climate data for Porto, Portugal — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Porto— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
May–June, September–October. Long sunny days without August heat; harvest season in the Douro valley peaks in September.
Warmest in Porto: Jul (24°C / 75°F) · Coolest: Jan (14°C / 57°F) · Wettest: Oct (~16 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Porto climate, month by month
January
14° / 7°C
~11 rain days
Good
February
16° / 9°C
~10 rain days
Good
March
16° / 9°C
~14 rain days
Good
April
18° / 11°C
~12 rain days
Excellent
May
20° / 13°C
~11 rain days
Excellent
June
22° / 15°C
~9 rain days
Excellent
July
24° / 16°C
~4 rain days
Excellent
August
24° / 16°C
~3 rain days
Excellent
September
23° / 16°C
~8 rain days
Excellent
October
21° / 14°C
~16 rain days
Good
November
17° / 11°C
~14 rain days
Good
December
15° / 9°C
~16 rain days
Good
Plan around it
Dates locked in? Start from the Porto travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.