Measurements:
°C
°F
Naples
80°F
SE 9 mph
Feels like: 82°F
Precip: 10%
World Resorts Italy Naples Weather

Naples Sea Water Temperature

Current Sea Water Temperature:
+87.4°F
Maximum Sea Water Temperature in September: 89.2°F
Minimum Sea Water Temperature in September: 75.4°F
Average water temperature in September: 80.4°F

Sea Water Temperature for the Last 10 Days:

September 11 87.4°F September 06 88.4°F
September 10 87.8°F September 05 88.4°F
September 09 87.8°F September 04 89.0°F
September 08 87.6°F September 03 89.2°F
September 07 87.6°F September 02 89.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Naples was 89.2°F. The maximum and minimum values were 88.2°F and 90.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Naples was 86.1°F. The maximum and minimum values were 83.8°F and 88.4°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 92.2 °F
July 91.4 °F
June 85.0 °F
Warmest sea temperature:
August 84.4 °F
July 83.0 °F
September 80.2 °F
The most cold months:
January 55.4 °F
February 57.0 °F
December 58.7 °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
Baia Domizia +74
Bari +80
Bibione +56
Florence +66
Genoa +60
Lido di Jesolo +62
Naples +80
Ostia +78
Palermo +74
Rimini +66
Rome +70
Scalea +70
Sicily +78
Tropea +78
Venice +62
24 Hours Weather Forecast
Naples
Local time: 04:57
12 sep, saturday
0600 80°F
SE
9 mph
0900 80°F
SE
4 mph
1200 82°F
NE
9 mph
1500 82°F
E
11 mph
1800 82°F
SE
11 mph
2100 82°F
SE
10 mph
13 sep, sunday
0000 82°F
SE
8 mph
0300 80°F
S
7 mph