This page presents a long range weather forecast for Portugal in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Portugal extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
16° / 11°
Thursday
May 2
17° / 11°
Friday
May 3
19° / 12°
Saturday
May 4
21° / 15°
Sunday
May 5
22° / 16°
Monday
May 6
23° / 15°
Tuesday
May 7
27° / 15°
Wednesday
May 8
25° / 16°
Thursday
May 9
24° / 15°
Friday
May 10
22° / 15°
Saturday
May 11
20° / 14°
Sunday
May 12
19° / 14°
Monday
May 13
25° / 15°
Tuesday
May 14
23° / 15°
Wednesday
May 15
24° / 15°
Thursday
May 16
23° / 15°
Friday
May 17
24° / 15°
Saturday
May 18
24° / 14°
Sunday
May 19
24° / 14°
Monday
May 20
25° / 15°
Tuesday
May 21
24° / 15°
Wednesday
May 22
22° / 15°
Thursday
May 23
24° / 15°
Friday
May 24
23° / 15°
Saturday
May 25
25° / 15°
Sunday
May 26
27° / 16°
Monday
May 27
26° / 16°
Tuesday
May 28
27° / 16°
Wednesday
May 29
27° / 16°
Thursday
May 30
27° / 17°
Friday
May 31
27° / 17°
Portugal 30 days weather forecast
Check out our estimated 30 days weather forecast for Portugal, this data is based on the average weather in Portugal in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Portugal next to the desired date.