Measurements:
°C
°F
Portimao
60°F
S 3 mph
Feels like: 60°F
Precip: 27%
World Resorts Portugal Portimao Weather

Portimao Sea Water Temperature

Current Sea Water Temperature:
+73.4°F
Maximum Sea Water Temperature in October: 77.6°F
Minimum Sea Water Temperature in October: 61.6°F
Average water temperature in October: 69.6°F

Sea Water Temperature for the Last 10 Days:

October 18 73.4°F October 13 73.2°F
October 17 73.2°F October 12 73.6°F
October 16 72.8°F October 11 74.2°F
October 15 72.8°F October 10 74.4°F
October 14 72.8°F October 09 74.8°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Portimao was 72.5°F. The maximum and minimum values were 66.8°F and 76.8°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Portimao was 68.7°F. The maximum and minimum values were 66.0°F and 72.2°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Portimao was 74.3°F. The maximum and minimum values were 72.8°F and 76.2°F respectively.

Best Time to Visit Portimao
The most sunny months:
July 29 days
August 29 days
June 25 days
The most warm months:
August 85.9 °F
July 85.1 °F
September 82.2 °F
Warmest sea temperature:
September 70.6 °F
August 70.2 °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

Portimao on the Weather Map

Portugal Resorts:
NAME
F°
Albufeira +68
Algarve +68
Cascais +64
Ericeira +56
Faro +68
Funchal +54
Lagos +66
Lisbon +64
Madeira +54
Ponta Delgada +68
Portimao +60
Porto +54
Quarteira +68
Sao Miguel +68
Setubal +56
24 Hours Weather Forecast
Portimao
Local time: 06:12
19 oct, monday
0900 64°F
S
4 mph
1200 78°F
E
1 mph
1500 80°F
NE
9 mph
1800 74°F
SE
8 mph
2100 60°F
SE
6 mph
20 oct, tuesday
0000 58°F
S
5 mph
0300 56°F
SE
4 mph
0600 54°F
SE
4 mph