Measurements:
°C
°F
Cagliari
52°F
SE 14 mph
Feels like: 46°F
Precip: 100%
World Resorts Italy Cagliari Weather

Cagliari Sea Water Temperature

Current Sea Water Temperature:
+64.6°F
Maximum Sea Water Temperature in December: 67.0°F
Minimum Sea Water Temperature in December: 59.0°F
Average water temperature in December: 62.6°F

Sea Water Temperature for the Last 10 Days:

December 05 64.6°F November 30 65.4°F
December 04 64.6°F November 29 65.8°F
December 03 65.0°F November 28 66.0°F
December 02 65.0°F November 27 66.6°F
December 01 65.2°F November 26 66.6°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 +50
Bari +56
Cagliari +52
Catania +56
Florence +50
Genoa +48
Naples +56
Palermo +54
Pisa +50
Rimini +50
Rome +52
Scalea +44
Sicily +50
Tropea +56
Venice +48
24 Hours Weather Forecast
Cagliari
Local time: 10:05
05 dec, friday
1200 58°F
SE
20 mph
1500 58°F
SE
19 mph
1800 52°F
SE
16 mph
2100 50°F
SE
14 mph
06 dec, saturday
0000 48°F
SE
11 mph
0300 46°F
SE
9 mph
0600 46°F
SE
9 mph
0900 50°F
SE
9 mph