Measurements:
°C
°F
Portimao
54°F
SE 6 mph
Feels like: 52°F
Precip: 0%
World Resorts Portugal Portimao Weather

Portimao Sea Water Temperature

Current Sea Water Temperature:
+60.4°F
Maximum Sea Water Temperature in January: 65.0°F
Minimum Sea Water Temperature in January: 58.4°F
Average water temperature in January: 61.5°F

Sea Water Temperature for the Last 10 Days:

January 09 60.4°F January 04 61.0°F
January 08 60.2°F January 03 60.8°F
January 07 60.2°F January 02 60.8°F
January 06 60.0°F January 01 60.6°F
January 05 60.2°F December 31 60.6°F

When is the Warmest Sea for Portimao?

According to our data for the last three years for Portimao the highest average sea water temperature was in September, August and October.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Portimao was 66.8°F. The maximum and minimum values were 63.2°F and 69.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Portimao was 74.0°F. The maximum and minimum values were 68.6°F and 78.2°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Portimao was 69.6°F. The maximum and minimum values were 66.6°F and 71.8°F respectively.

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 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

Portimao on the Weather Map

Portugal Resorts:
NAME
Albufeira +52
Algarve +54
Cascais +58
Faro +54
Funchal +54
Lagos +56
Lisbon +58
Madeira +54
Ponta Delgada +62
Portimao +54
Porto +52
Porto Santo Island +62
Quarteira +52
Sao Miguel +62
Terceira Island +60
24 Hours Weather Forecast
Portimao
Local time: 08:20
09 jan, friday
0900 54°F
SE
6 mph
1200 62°F
E
10 mph
1500 62°F
E
12 mph
1800 60°F
SE
9 mph
2100 52°F
S
8 mph
10 jan, saturday
0000 50°F
S
7 mph
0300 48°F
S
6 mph
0600 48°F
S
6 mph