Measurements:
°C
°F
Naples
56°F
NW 8 mph
Feels like: 54°F
Precip: 100%
World Resorts Italy Naples Weather

Naples Sea Water Temperature

Current Sea Water Temperature:
+65.0°F
Maximum Sea Water Temperature in December: 68.6°F
Minimum Sea Water Temperature in December: 61.0°F
Average water temperature in December: 64.7°F

Sea Water Temperature for the Last 10 Days:

December 05 65.0°F November 30 66.2°F
December 04 65.0°F November 29 66.2°F
December 03 65.4°F November 28 66.6°F
December 02 66.2°F November 27 66.6°F
December 01 66.0°F November 26 67.0°F

When is the Warmest Sea for Naples?

According to our data for the last three years for Naples 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 Naples was 83.5°F. The maximum and minimum values were 80.6°F and 85.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Naples was 84.2°F. The maximum and minimum values were 81.4°F and 86.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Naples was 81.8°F. The maximum and minimum values were 78.8°F and 83.6°F respectively.

Best Time to Visit Naples
The most sunny months:
July 28 days
August 26 days
June 25 days
The most warm months:
August 92.3 °F
July 91.4 °F
June 85.0 °F
Warmest sea temperature:
August 84.0 °F
July 82.8 °F
September 80.2 °F
The most cold months:
January 55.4 °F
February 56.9 °F
December 58.6 °F
The most rainy months:
November 7 days
January 6 days
February 5 days
The most windy months:
January 8 mph
February 8 mph
March 7 mph

Naples on the Weather Map

Italy Resorts:
NAME
Amalfi +50
Bari +56
Cagliari +52
Catania +56
Florence +50
Genoa +48
Naples +56
Palermo +54
Pisa +50
Rimini +50
Rome +52
Scalea +44
Sicily +50
Tropea +56
Venice +48
24 Hours Weather Forecast
Naples
Local time: 08:47
05 dec, friday
0900 56°F
NW
8 mph
1200 60°F
W
6 mph
1500 60°F
NW
5 mph
1800 58°F
W
2 mph
2100 56°F
S
4 mph
06 dec, saturday
0000 54°F
S
7 mph
0300 54°F
SW
7 mph
0600 52°F
S
6 mph