Measurements:
°C
°F
CURRENT WEATHER
16:34
Portimao
80°F
NE 9 mph
Feels like: 82°F
Precip: 3%
World Resorts Portugal Portimao Weather

7 Day Weather Forecast

08.19
wed
DAY
82°F
N 11 mph
precip
4%
NIGHT
68°F
NE 2 mph
precip
15%
08.20
thu
DAY
84°F
NE 7 mph
precip
8%
NIGHT
66°F
SE 6 mph
precip
16%
08.21
fri
DAY
82°F
SE 8 mph
precip
1%
NIGHT
64°F
S 10 mph
precip
8%
08.22
sat
DAY
80°F
SE 12 mph
precip
3%
NIGHT
64°F
S 12 mph
precip
6%
08.23
sun
DAY
80°F
SE 9 mph
precip
10%
NIGHT
64°F
SE 13 mph
precip
12%
08.24
mon
DAY
78°F
SE 16 mph
precip
1%
NIGHT
60°F
S 7 mph
precip
21%
08.25
tue
DAY
80°F
E 5 mph
precip
3%
NIGHT
62°F
SE 6 mph
precip
29%

Portimao Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Portimao was 19.1°F. The maximum and minimum values were 18.0°F and 20.4°F respectively.

Portimao on the Weather Map

Best Time to Visit Portimao
The most sunny months:
August 30 days
July 29 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
more details