Weather in Portugal in May
May in Portugal is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
A country pin in May is a warning: one region of Portugal will not match another. Use a city page if you already know where you are going. Compared with August and January, May sits in the middle of Portugal's year.
- Average temp
- 19°C
15–23°C
- Rainfall
- 53 mm
Showers likely
- Sunshine
- 9.5 h
hours per day
What to expect
Daytime
Mild afternoons in Portugal are the prize in May. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
Mixed skies in Portugal in May. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Portugal
Featured stays on trip1. Dates are a starting point for May.
Travel guides for Portugal
What to read before you book.
Average weather in Portugal
TemperatureRainfall
Similar weather in May
Other destinations whose May averages sit close to this one.
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FAQs about Portugal
Climate averages for Portugal, 1991–2020.
The best time to visit Portugal is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 24°C.
November is the wettest month, with about 121 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
