Measurements:
°C
°F
Portimao
74°F
S 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Portugal Portimao Weather

7 Day Weather Forecast

05.30
sat
DAY
84°F
NE 3 mph
precip
0%
NIGHT
66°F
S 9 mph
precip
0%
05.31
sun
DAY
84°F
SE 5 mph
precip
0%
NIGHT
66°F
S 12 mph
precip
0%
06.01
mon
DAY
84°F
SE 8 mph
precip
0%
NIGHT
68°F
S 17 mph
precip
0%
06.02
tue
DAY
78°F
SE 16 mph
precip
0%
NIGHT
64°F
S 17 mph
precip
0%
06.03
wed
DAY
82°F
SE 9 mph
precip
0%
NIGHT
68°F
S 14 mph
precip
0%
06.04
thu
DAY
80°F
E 6 mph
precip
0%
NIGHT
62°F
S 11 mph
precip
0%
06.05
fri
DAY
80°F
SE 9 mph
precip
0%
NIGHT
66°F
S 12 mph
precip
0%

Portimao Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Portimao was 16.9°F. The maximum and minimum values were 15.3°F and 20.5°F respectively.

Portimao on the Weather Map

Best Time to Visit Portimao
The most sunny months:
July 30 days
August 30 days
June 25 days
The most warm months:
August 85.9 °F
July 85.1 °F
September 81.6 °F
Warmest sea temperature:
September 70.5 °F
August 70.3 °F
October 69.4 °F
The most cold months:
January 60.6 °F
February 61.1 °F
December 62.8 °F
The most rainy months:
March 3 days
November 3 days
October 3 days
The most windy months:
March 11 mph
February 10 mph
April 10 mph