Measurements:
°C
°F
Portimao
56°F
S 27 mph
Feels like: 48°F
Precip: 0%
World Resorts Portugal Portimao Weather

7 Day Weather Forecast

12.16
tue
DAY
56°F
SE 31 mph
precip
100%
NIGHT
56°F
S 21 mph
precip
0%
12.17
wed
DAY
58°F
S 12 mph
precip
0%
NIGHT
52°F
S 7 mph
precip
0%
12.18
thu
DAY
60°F
NW 6 mph
precip
0%
NIGHT
58°F
N 6 mph
precip
0%
12.19
fri
DAY
62°F
N 13 mph
precip
100%
NIGHT
58°F
W 14 mph
precip
100%
12.20
sat
DAY
58°F
S 8 mph
precip
0%
NIGHT
52°F
SE 7 mph
precip
0%
12.21
sun
DAY
56°F
SE 13 mph
precip
73%
NIGHT
48°F
S 7 mph
precip
20%
12.22
mon
DAY
54°F
SE 12 mph
precip
47%
NIGHT
50°F
S 11 mph
precip
0%

Portimao Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Portimao was 16.5°F. The maximum and minimum values were 16.1°F and 16.8°F respectively.

Portimao on the Weather Map

Best Time to Visit Portimao
The most sunny months:
August 30 days
July 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 60.7 °F
February 61.1 °F
December 63.0 °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