World Resorts Italy Nettuno Weather

Nettuno Sea Temperature in December

Average sea water temperature in December:
+62.5°F
Minimum sea water temperature in December: 65.5°F
Maximum sea water temperature in December: 59.5°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 62.4°F. The highest and lowest sea temperatures during the month were 63.9°F and 60.6°F.

Monthly sea water temperature in Nettuno, °F

Which Italy resorts have warmest sea in December?

Place name December 2025 December 2024
Avola 65.0°F 65.0°F
Fontane Bianche 64.8°F 65.0°F
Capo Vaticano 64.5°F 65.1°F
Tropea 64.4°F 65.1°F
Sirakuzy 64.2°F 64.7°F
Capri 64.0°F 65.0°F
Scalea 63.9°F 64.9°F
Amalfi 63.8°F 64.6°F
Maiori 63.8°F 64.6°F
Positano 63.8°F 64.8°F
Ischia 63.8°F 64.8°F
Sorrento 63.7°F 64.8°F
Pizzo 63.7°F 64.6°F
Catania 63.6°F 64.4°F
Taormina 63.5°F 64.3°F
Cefalu 63.5°F 64.5°F
Letojanni 63.5°F 64.3°F
Giardini Naxos 63.5°F 64.3°F
Paestum 63.5°F 64.5°F
Sicily 63.3°F 64.3°F

Best time for vacation in Nettuno

Sunniest months:
July 29 days
August 27 days
June 26 days
Warmest months:
August 86.0 °F
July 85.1 °F
June 79.4 °F
Warmest sea temp:
August 79.5 °F
July 78.1 °F
September 76.7 °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
+68°F
NW 4 mph
Feels like: +68°F
Precip.: 14%
Places in Italy:
Name
°F
+66°F
+70°F
+57°F
+61°F
+52°F
+68°F
+72°F
+59°F
+68°F
+59°F
+63°F
+50°F
+66°F
+63°F
24 Hours Forecast
Nettuno
Local time: 02:47
October 06, tuesday
0300
68°F
NW
4 mph
0600
68°F
NW
5 mph
0900
68°F
NW
6 mph
1200
68°F
W
11 mph
1500
63°F
W
12 mph
1800
63°F
W
11 mph
2100
61°F
W
9 mph
October 07, wednesday
0000
63°F
SW
7 mph
Units of measurement: °C / °F