World Resorts Italy Nettuno Weather

Nettuno sea water temperature

Current sea water temperature:
+82.0°F
Minimum sea water temperature in July: 83.8°F
Maximum sea water temperature in July: 70.5°F
Average sea water temperature in July: 77.9°F

Sea water temperature for the last 10 days:

July 16 82.0°F July 11 80.8°F
July 15 82.2°F July 10 79.9°F
July 14 81.0°F July 9 79.3°F
July 13 81.5°F July 8 78.3°F
July 12 80.8°F July 7 78.1°F

When is the warmest sea in Nettuno?

Based on the data about daily sea water temperature for the last three years the warmest sea in Nettuno was noticed in August, July and September.

Monthly Sea Temperatures in Nettuno, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.7°F. The highest and lowest sea temperatures during the month were 80.1°F and 72.9°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 79.3°F. The highest and lowest sea temperatures during the month were 82.2°F and 77.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.2°F.

Best time for vacation in Nettuno

Sunniest months:
July 28 days
August 27 days
June 26 days
Warmest months:
August 85.8 °F
July 85.0 °F
June 79.4 °F
Warmest sea temp:
August 79.2 °F
July 77.9 °F
September 76.4 °F
Coldest months:
January 54.6 °F
February 55.7 °F
December 57.2 °F
Rainiest months:
November 7 days
December 5 days
March 5 days
Windiest months:
February 9.0 mph
November 8.8 mph
January 8.7 mph

Nettuno on a weather map

Nettuno
+84°F
NW 9 mph
Feels like: +91°F
Precip.: 6%
Places in Italy:
Name
°F
+88°F
+84°F
+79°F
+77°F
+79°F
+82°F
+93°F
+88°F
+84°F
+81°F
+93°F
+88°F
+84°F
+88°F
24 Hours Forecast
Nettuno
Local time: 08:37
July 17, friday
0900
84°F
NW
9 mph
1200
88°F
N
12 mph
1500
88°F
N
11 mph
1800
86°F
NE
8 mph
2100
79°F
E
4 mph
July 18, saturday
0000
77°F
N
1 mph
0300
77°F
NW
2 mph
0600
75°F
NW
2 mph
Units of measurement: °C / °F