The temperatures in Lisbon in May are comfortable with low of 14°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Lisbon during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Lisbon in May 2025.
If you’re planning to visit Lisbon in the near future, we highly recommend that you review the 14 day weather forecast for Lisbon before you arrive.
Temperatures
23° / 14°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
53
mm
Sun Hours
11.0
Hrs