Verdict: Excellent month
Porto Weather in May
May hits the sweet spot in Porto — highs around 20°C (68°F), ideal for a full day on foot. Expect showers on roughly 11 days of the month — rarely trip-ruining, worth planning around. Overall, May is one of the best months of the year to be in Porto.
Average high
20°C / 68°F
Average low
13°C / 55°F
Rain days
~11
Precipitation
76 mm
What to pack for Porto in May
- Layers — t-shirts under a light jacket or sweater
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
May 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)