Transit Desk

Climate

Weather in Portugal in May

Weather in Portugal, May
In May, Portugal sees average highs of 23.4°C (74°F) and lows of 14.3°C (58°F), with around 18 mm of rain. It is one of the best months to visit.

Portugal — May

Portugal May
Daytime high
23.4°C (74°F)
Overnight low
14.3°C (58°F)
Rainfall
18 mm
Best-time rank
Recommended month

How May compares

Portugal, May vs. the annual average (2025)
This month23.4°C (74°F) / 14.3°C (58°F) · 18 mm
Yearly average21.8°C (71°F) / 13.8°C (57°F) · 56 mm

May in Portugal runs 1.6°C (2.9°F) warmer than the yearly average, and is drier than the yearly average. Pack layers you can adjust through the day — mild conditions.

Common questions

What is the weather like in Portugal in May?

Average highs of 23.4°C (74°F) and lows of 14.3°C (58°F), with around 18 mm of rain.

Is May a good time to visit Portugal?

Yes — May is one of the more comfortable months in Portugal, based on temperature and rainfall.

Updated climate normals, 2025