Measurements:
°C
°F
Alghero
88°F
S 12 mph
Feels like: 90°F
Precip: 1%
World Resorts Italy Alghero Weather

Alghero Sea Water Temperature

Current Sea Water Temperature:
+85.0°F
Maximum Sea Water Temperature in August: 85.8°F
Minimum Sea Water Temperature in August: 72.0°F
Average water temperature in August: 79.9°F

Sea Water Temperature for the Last 10 Days:

August 22 85.0°F August 17 85.2°F
August 21 84.6°F August 16 84.6°F
August 20 84.8°F August 15 84.6°F
August 19 85.0°F August 14 84.2°F
August 18 85.6°F August 13 84.6°F

When is the Warmest Sea for Alghero?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Alghero was 84.5°F. The maximum and minimum values were 81.6°F and 85.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Alghero was 82.9°F. The maximum and minimum values were 77.4°F and 86.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Alghero was 79.2°F. The maximum and minimum values were 77.0°F and 80.8°F respectively.

Best Time to Visit Alghero
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
August 88.4 °F
July 87.8 °F
September 81.8 °F
Warmest sea temperature:
August 80.0 °F
July 78.4 °F
September 77.6 °F
The most cold months:
January 56.3 °F
February 56.6 °F
December 59.7 °F
The most rainy months:
November 5 days
December 3 days
March 3 days
The most windy months:
January 12 mph
December 11 mph
November 11 mph

Alghero on the Weather Map

Italy Resorts:
NAME
Baia Domizia +96
Bari +88
Bibione +80
Florence +88
Genoa +78
Lido di Jesolo +86
Naples +88
Palermo +100
Rimini +96
Rome +98
Sanremo +80
Scalea +84
Sicily +100
Tropea +84
Venice +86
24 Hours Weather Forecast
Alghero
Local time: 16:11
22 aug, saturday
1800 84°F
S
11 mph
2100 78°F
S
6 mph
23 aug, sunday
0000 78°F
SW
6 mph
0300 76°F
SW
4 mph
0600 76°F
SW
6 mph
0900 84°F
SW
10 mph
1200 92°F
SW
11 mph
1500 92°F
S
12 mph