Measurements:
°C
°F
Algarve
70°F
SW 3 mph
Feels like: 70°F
Precip: 0%
World Resorts Portugal Algarve Weather

Algarve Sea Water Temperature

Current Sea Water Temperature:
+71.4°F
Maximum Sea Water Temperature in May: 73.6°F
Minimum Sea Water Temperature in May: 61.2°F
Average water temperature in May: 65.9°F

Sea Water Temperature for the Last 10 Days:

May 29 71.4°F May 24 65.4°F
May 28 69.8°F May 23 64.0°F
May 27 67.8°F May 22 63.8°F
May 26 68.0°F May 21 64.2°F
May 25 67.0°F May 20 63.4°F

When is the Warmest Sea for Algarve?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Algarve was 76.0°F. The maximum and minimum values were 69.8°F and 81.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Algarve was 68.9°F. The maximum and minimum values were 66.4°F and 71.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Algarve was 72.7°F. The maximum and minimum values were 66.6°F and 79.8°F respectively.

Best Time to Visit Algarve
The most sunny months:
August 30 days
July 30 days
June 26 days
The most warm months:
August 85.1 °F
July 84.2 °F
September 80.5 °F
Warmest sea temperature:
August 72.7 °F
September 72.2 °F
July 71.8 °F
The most cold months:
January 60.3 °F
February 60.7 °F
December 62.6 °F
The most rainy months:
November 3 days
March 3 days
December 2 days
The most windy months:
March 11 mph
February 11 mph
January 11 mph

Algarve on the Weather Map

Portugal Resorts:
NAME
Albufeira +66
Algarve +70
Cascais +62
Faro +70
Funchal +60
Lagos +66
Lisbon +62
Madeira +60
Ponta Delgada +66
Portimao +64
Porto +60
Porto Santo Island +66
Quarteira +68
Sao Miguel +66
Setubal +58
24 Hours Weather Forecast
Algarve
Local time: 06:49
30 may, saturday
0900 76°F
NE
0 mph
1200 76°F
NE
9 mph
1500 76°F
NE
10 mph
1800 76°F
NE
9 mph
2100 78°F
SE
10 mph
31 may, sunday
0000 74°F
S
11 mph
0300 72°F
SE
5 mph
0600 70°F
S
5 mph

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