Measurements:
°C
°F
Nettuno
92°F
NE 13 mph
Feels like: 96°F
Precip: 2%
World Resorts Italy Nettuno Weather

Nettuno Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in August: 89.2°F
Minimum Sea Water Temperature in August: 75.4°F
Average water temperature in August: 82.7°F

Sea Water Temperature for the Last 10 Days:

August 22 87.8°F August 17 88.8°F
August 21 88.2°F August 16 88.4°F
August 20 88.4°F August 15 88.0°F
August 19 88.4°F August 14 87.8°F
August 18 88.2°F August 13 88.2°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Nettuno was 88.4°F. The maximum and minimum values were 87.8°F and 89.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Nettuno was 85.0°F. The maximum and minimum values were 80.0°F and 88.8°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 29 days
August 27 days
June 26 days
The most warm months:
August 89.8 °F
July 89.0 °F
June 82.6 °F
Warmest sea temperature:
August 82.8 °F
July 81.2 °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
Baia Domizia +96
Bari +88
Bibione +80
Florence +88
Genoa +78
Lido di Jesolo +86
Naples +88
Palermo +100
Rimini +96
Rome +98
Sanremo +80
Scalea +84
Sicily +100
Tropea +84
Venice +86
24 Hours Weather Forecast
Nettuno
Local time: 16:11
22 aug, saturday
1800 88°F
E
11 mph
2100 80°F
E
4 mph
23 aug, sunday
0000 76°F
S
2 mph
0300 74°F
SW
2 mph
0600 74°F
SW
3 mph
0900 84°F
SW
2 mph
1200 94°F
NE
9 mph
1500 92°F
NE
10 mph