Measurements:
°C
°F
Diano Marina
48°F
S 6 mph
Feels like: 46°F
Precip: 63%
World Resorts Italy Diano Marina Weather

Diano Marina Sea Water Temperature

Current Sea Water Temperature:
+63.4°F
Maximum Sea Water Temperature in December: 66.0°F
Minimum Sea Water Temperature in December: 57.8°F
Average water temperature in December: 62.1°F

Sea Water Temperature for the Last 10 Days:

December 04 63.4°F November 29 63.8°F
December 03 63.6°F November 28 64.4°F
December 02 63.6°F November 27 64.8°F
December 01 63.2°F November 26 65.0°F
November 30 63.2°F November 25 65.2°F

When is the Warmest Sea for Diano Marina?

According to our data for the last three years for Diano Marina 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 Diano Marina was 81.5°F. The maximum and minimum values were 79.2°F and 83.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Diano Marina was 81.4°F. The maximum and minimum values were 79.4°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 Diano Marina was 78.0°F. The maximum and minimum values were 74.8°F and 79.6°F respectively.

Best Time to Visit Diano Marina
The most sunny months:
August 24 days
July 24 days
June 21 days
The most warm months:
August 83.8 °F
July 82.8 °F
June 76.8 °F
Warmest sea temperature:
August 81.1 °F
July 79.6 °F
September 77.2 °F
The most cold months:
January 51.0 °F
February 51.8 °F
December 53.9 °F
The most rainy months:
November 4 days
March 4 days
January 3 days
The most windy months:
February 9 mph
March 9 mph
November 8 mph

Diano Marina on the Weather Map

Italy Resorts:
NAME
Amalfi +48
Bari +54
Cagliari +48
Catania +52
Florence +48
Genoa +48
Naples +56
Palermo +52
Pisa +50
Rimini +50
Rome +50
Scalea +40
Sicily +44
Tropea +54
Venice +48
24 Hours Weather Forecast
Diano Marina
Local time: 06:58
05 dec, friday
0900 48°F
S
8 mph
1200 54°F
S
9 mph
1500 56°F
S
11 mph
1800 52°F
SE
7 mph
2100 52°F
SE
6 mph
06 dec, saturday
0000 50°F
SE
6 mph
0300 50°F
SE
4 mph
0600 48°F
SE
5 mph