Measurements:
°C
°F
Algarve
60°F
E 10 mph
Feels like: 58°F
Precip: 0%
World Resorts Portugal Algarve Weather

Algarve Sea Water Temperature

Current Sea Water Temperature:
+64.0°F
Maximum Sea Water Temperature in December: 68.8°F
Minimum Sea Water Temperature in December: 59.2°F
Average water temperature in December: 64.5°F

Sea Water Temperature for the Last 10 Days:

December 04 64.0°F November 29 64.6°F
December 03 64.2°F November 28 65.4°F
December 02 64.2°F November 27 65.8°F
December 01 64.6°F November 26 65.6°F
November 30 64.8°F November 25 65.8°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 60.4 °F
February 60.7 °F
December 62.8 °F
The most rainy months:
November 3 days
March 3 days
December 2 days
The most windy months:
March 11 mph
February 11 mph
April 11 mph

Algarve on the Weather Map

Portugal Resorts:
NAME
Albufeira +58
Algarve +60
Cascais +62
Faro +60
Funchal +54
Lagos +62
Lisbon +62
Madeira +54
Ponta Delgada +66
Portimao +60
Porto +54
Porto Santo Island +64
Quarteira +58
Sao Miguel +66
Terceira Island +64
24 Hours Weather Forecast
Algarve
Local time: 06:01
05 dec, friday
0900 60°F
E
11 mph
1200 64°F
E
12 mph
1500 66°F
E
16 mph
1800 64°F
E
13 mph
2100 62°F
SE
7 mph
06 dec, saturday
0000 60°F
SE
6 mph
0300 60°F
SE
4 mph
0600 58°F
SE
4 mph

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