Measurements:
°C
°F
Quarteira
76°F
SE 14 mph
Feels like: 80°F
Precip: 5%
World Resorts Portugal Quarteira Weather

Quarteira Sea Water Temperature

Current Sea Water Temperature:
+72.4°F
Maximum Sea Water Temperature in September: 79.4°F
Minimum Sea Water Temperature in September: 62.8°F
Average water temperature in September: 71.4°F

Sea Water Temperature for the Last 10 Days:

September 08 72.4°F September 03 69.2°F
September 07 72.4°F September 02 67.2°F
September 06 71.6°F September 01 67.0°F
September 05 70.8°F August 31 67.2°F
September 04 71.0°F August 30 67.2°F

When is the Warmest Sea for Quarteira?

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

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 Quarteira was 67.8°F. The maximum and minimum values were 65.0°F and 70.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Quarteira was 69.3°F. The maximum and minimum values were 66.6°F and 72.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Quarteira was 71.5°F. The maximum and minimum values were 65.4°F and 77.8°F respectively.

Best Time to Visit Quarteira
The most sunny months:
July 30 days
August 29 days
June 26 days
The most warm months:
August 85.9 °F
July 85.7 °F
September 81.7 °F
Warmest sea temperature:
August 71.5 °F
September 71.5 °F
July 70.5 °F
The most cold months:
January 60.1 °F
February 60.7 °F
December 62.4 °F
The most rainy months:
March 3 days
November 3 days
April 2 days
The most windy months:
March 11 mph
February 11 mph
January 10 mph

Quarteira on the Weather Map

Portugal Resorts:
NAME
Albufeira +74
Algarve +76
Cascais +70
Ericeira +68
Faro +76
Funchal +64
Lagos +70
Lisbon +72
Madeira +64
Ponta Delgada +76
Portimao +66
Porto +66
Quarteira +76
Sao Miguel +76
Setubal +72
24 Hours Weather Forecast
Quarteira
Local time: 23:59
09 sep, wednesday
0000 76°F
SE
14 mph
0300 74°F
SE
13 mph
0600 72°F
SE
10 mph
0900 74°F
SE
9 mph
1200 80°F
E
11 mph
1500 82°F
E
15 mph
1800 84°F
SE
22 mph
2100 74°F
SE
17 mph