The temperatures in Portimao in May are comfortable with low of 16°C and and high up to 21°C.
You can expect a few rainy days in Portimao during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Portimao in May 2025.
If you’re planning to visit Portimao in the near future, we highly recommend that you review the 14 day weather forecast for Portimao before you arrive.
Temperatures
21° / 16°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
15
mm
Sun Hours
11.5
Hrs
