Measurements:
°C
°F
San Giuliano
50°F
W 9 mph
Feels like: 46°F
Precip: 0%
World Resorts Italy San Giuliano Weather

San Giuliano Sea Water Temperature

Current Sea Water Temperature:
+59.6°F
Maximum Sea Water Temperature in December: 65.4°F
Minimum Sea Water Temperature in December: 56.2°F
Average water temperature in December: 61.0°F

Sea Water Temperature for the Last 10 Days:

December 15 59.6°F December 10 59.8°F
December 14 58.6°F December 09 59.8°F
December 13 58.8°F December 08 61.6°F
December 12 59.0°F December 07 61.4°F
December 11 59.0°F December 06 61.6°F

When is the Warmest Sea for San Giuliano?

According to our data for the last three years for San Giuliano 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 San Giuliano was 82.1°F. The maximum and minimum values were 80.4°F and 84.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for San Giuliano was 82.0°F. The maximum and minimum values were 78.8°F and 85.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Giuliano was 78.5°F. The maximum and minimum values were 74.8°F and 80.8°F respectively.

Best Time to Visit San Giuliano
The most sunny months:
July 27 days
August 26 days
June 23 days
The most warm months:
August 90.0 °F
July 89.3 °F
June 83.0 °F
Warmest sea temperature:
August 81.7 °F
July 81.1 °F
September 77.7 °F
The most cold months:
January 52.2 °F
February 53.8 °F
December 54.6 °F
The most rainy months:
November 5 days
March 5 days
October 4 days
The most windy months:
November 7 mph
January 7 mph
March 7 mph

San Giuliano on the Weather Map

Italy Resorts:
NAME
Amalfi +54
Bari +52
Cagliari +60
Catania +56
Florence +50
Genoa +44
Naples +56
Palermo +52
Reggio di Calabria +52
Rimini +48
Rome +50
Scalea +44
Sicily +48
Tropea +52
Venice +44
24 Hours Weather Forecast
San Giuliano
Local time: 00:15
16 dec, tuesday
0300 50°F
W
9 mph
0600 50°F
W
9 mph
0900 52°F
W
9 mph
1200 52°F
W
12 mph
1500 52°F
W
12 mph
1800 50°F
W
11 mph
2100 52°F
W
7 mph
17 dec, wednesday
0000 52°F
W
7 mph