Measurements:
°C
°F
Nettuno
58°F
NW 5 mph
Feels like: 58°F
Precip: 0%
World Resorts Italy Nettuno Weather

Nettuno Sea Water Temperature

Current Sea Water Temperature:
+65.2°F
Maximum Sea Water Temperature in April: 67.8°F
Minimum Sea Water Temperature in April: 57.4°F
Average water temperature in April: 61.5°F

Sea Water Temperature for the Last 10 Days:

April 19 65.2°F April 14 62.0°F
April 18 64.0°F April 13 64.6°F
April 17 64.2°F April 12 63.0°F
April 16 62.6°F April 11 63.0°F
April 15 62.0°F April 10 62.4°F

When is the Warmest Sea for Nettuno?

According to our data for the last three years for Nettuno 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 Nettuno was 80.8°F. The maximum and minimum values were 75.4°F and 83.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Nettuno was 81.5°F. The maximum and minimum values were 76.4°F and 85.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nettuno was 80.2°F. The maximum and minimum values were 78.0°F and 81.4°F respectively.

Best Time to Visit Nettuno
The most sunny months:
July 28 days
August 27 days
June 25 days
The most warm months:
August 89.8 °F
July 88.9 °F
June 82.5 °F
Warmest sea temperature:
August 82.4 °F
July 81.0 °F
September 79.4 °F
The most cold months:
January 55.1 °F
February 56.3 °F
December 58.0 °F
The most rainy months:
November 7 days
December 5 days
March 5 days
The most windy months:
February 9 mph
November 9 mph
January 8 mph

Nettuno on the Weather Map

Italy Resorts:
NAME
Amalfi +60
Bari +62
Bibione +58
Cagliari +58
Catania +60
Florence +60
Genoa +52
Lido di Jesolo +56
Naples +64
Palermo +56
Rimini +56
Rome +56
Sicily +50
Tropea +56
Venice +60
24 Hours Weather Forecast
Nettuno
Local time: 23:01
20 apr, monday
0000 58°F
NW
5 mph
0300 58°F
W
7 mph
0600 58°F
NW
9 mph
0900 64°F
NW
12 mph
1200 68°F
NW
13 mph
1500 68°F
N
11 mph
1800 66°F
NW
9 mph
2100 60°F
NW
8 mph