Verdict: Excellent month
Porto Weather in August
August hits the sweet spot in Porto — highs around 24°C (75°F), ideal for a full day on foot. Rain is a non-issue, with only ~3 wet days in an average year. Overall, August is one of the best months of the year to be in Porto.
Average high
24°C / 75°F
Average low
16°C / 61°F
Rain days
~3
Precipitation
11 mm
What to pack for Porto in August
- Summer clothes, plus one light layer for air-con and evenings
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Porto: Jul (24°C / 75°F) · Coolest: Jan (14°C / 57°F) · Wettest: Oct (~16 rain days)
14°
7°
Jan
16°
9°
Feb
16°
9°
Mar
18°
11°
Apr
20°
13°
May
22°
15°
Jun
24°
16°
Jul
24°
16°
Aug
23°
16°
Sep
21°
14°
Oct
17°
11°
Nov
15°
9°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)