Measurements:
°C
°F
Alvor
74°F
S 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Portugal Alvor Weather

Alvor Sea Water Temperature

Current Sea Water Temperature:
+69.0°F
Maximum Sea Water Temperature in May: 71.8°F
Minimum Sea Water Temperature in May: 59.0°F
Average water temperature in May: 64.1°F

Sea Water Temperature for the Last 10 Days:

May 29 69.0°F May 24 64.4°F
May 28 68.0°F May 23 62.6°F
May 27 66.2°F May 22 62.6°F
May 26 66.4°F May 21 62.4°F
May 25 65.6°F May 20 61.4°F

When is the Warmest Sea for Alvor?

According to our data for the last three years for Alvor 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 Alvor was 66.3°F. The maximum and minimum values were 63.6°F and 69.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Alvor was 73.8°F. The maximum and minimum values were 67.8°F and 78.8°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Alvor was 69.4°F. The maximum and minimum values were 66.2°F and 71.8°F respectively.

Best Time to Visit Alvor
The most sunny months:
August 30 days
July 29 days
June 25 days
The most warm months:
August 84.8 °F
July 84.0 °F
September 81.0 °F
Warmest sea temperature:
September 70.2 °F
August 70.0 °F
October 69.3 °F
The most cold months:
January 60.7 °F
February 61.2 °F
December 63.0 °F
The most rainy months:
March 3 days
November 3 days
October 3 days
The most windy months:
March 11 mph
February 11 mph
July 11 mph

Alvor on the Weather Map

Portugal Resorts:
NAME
Albufeira +76
Algarve +76
Cascais +66
Faro +76
Funchal +62
Lagos +74
Lisbon +68
Madeira +62
Ponta Delgada +66
Portimao +74
Porto +66
Porto Santo Island +66
Quarteira +76
Sao Miguel +66
Setubal +70
24 Hours Weather Forecast
Alvor
Local time: 07:37
30 may, saturday
0900 74°F
S
6 mph
1200 84°F
E
4 mph
1500 84°F
E
9 mph
1800 82°F
SE
15 mph
2100 68°F
SE
14 mph
31 may, sunday
0000 66°F
S
11 mph
0300 64°F
S
9 mph
0600 62°F
S
9 mph