Measurements:
°C
°F
Cagliari
68°F
NE 1 mph
Feels like: 68°F
Precip: 0%
World Resorts Italy Cagliari Weather

Cagliari Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in April: 66.0°F
Minimum Sea Water Temperature in April: 57.6°F
Average water temperature in April: 61.1°F

Sea Water Temperature for the Last 10 Days:

April 19 64.2°F April 14 61.2°F
April 18 63.4°F April 13 62.2°F
April 17 62.6°F April 12 62.4°F
April 16 62.0°F April 11 62.8°F
April 15 61.0°F April 10 62.2°F

When is the Warmest Sea for Cagliari?

According to our data for the last three years for Cagliari 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Cagliari was 82.6°F. The maximum and minimum values were 79.0°F and 84.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cagliari was 83.0°F. The maximum and minimum values were 79.6°F and 85.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cagliari was 81.6°F. The maximum and minimum values were 79.0°F and 83.2°F respectively.

Best Time to Visit Cagliari
The most sunny months:
July 30 days
August 29 days
June 26 days
The most warm months:
July 93.9 °F
August 93.6 °F
June 86.6 °F
Warmest sea temperature:
August 82.5 °F
July 80.1 °F
September 80.0 °F
The most cold months:
January 57.4 °F
February 58.5 °F
December 60.0 °F
The most rainy months:
November 3 days
May 2 days
December 2 days
The most windy months:
March 9 mph
January 9 mph
February 9 mph

Cagliari on the Weather Map

Italy Resorts:
NAME
Amalfi +68
Bari +66
Bibione +68
Cagliari +68
Catania +70
Florence +72
Genoa +66
Lido di Jesolo +66
Naples +68
Palermo +68
Rimini +62
Rome +72
Sicily +68
Tropea +64
Venice +64
24 Hours Weather Forecast
Cagliari
Local time: 17:51
19 apr, sunday
1800 68°F
NE
1 mph
2100 60°F
SE
7 mph
20 apr, monday
0000 58°F
SE
7 mph
0300 56°F
SE
7 mph
0600 54°F
SE
7 mph
0900 64°F
SE
7 mph
1200 72°F
SE
5 mph
1500 74°F
E
4 mph