Measurements:
°C
°F
Naples
68°F
NW 7 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Naples Weather

Naples Sea Water Temperature

Current Sea Water Temperature:
+74.4°F
Maximum Sea Water Temperature in December: 79.8°F
Minimum Sea Water Temperature in December: 65.6°F
Average water temperature in December: 72.7°F

Sea Water Temperature for the Last 10 Days:

December 04 74.4°F November 29 74.4°F
December 03 74.2°F November 28 77.2°F
December 02 73.6°F November 27 76.6°F
December 01 73.4°F November 26 77.0°F
November 30 73.4°F November 25 76.6°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 93.0°F. The maximum and minimum values were 90.8°F and 94.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Naples was 90.6°F. The maximum and minimum values were 88.6°F and 93.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Naples was 90.1°F. The maximum and minimum values were 88.0°F and 92.6°F respectively.

Best Time to Visit Naples
The most sunny months:
March 19 days
April 16 days
February 14 days
The most warm months:
August 93.0 °F
July 92.8 °F
September 91.4 °F
Warmest sea temperature:
August 91.6 °F
July 91.1 °F
September 90.6 °F
The most cold months:
January 72.6 °F
December 75.5 °F
February 78.1 °F
The most rainy months:
June 6 days
July 5 days
September 4 days
The most windy months:
November 9 mph
April 9 mph
October 9 mph

Naples on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Naples
Local time: 01:45
05 dec, friday
0300 68°F
NW
7 mph
0600 66°F
NW
7 mph
0900 70°F
NW
6 mph
1200 78°F
N
11 mph
1500 80°F
N
9 mph
1800 78°F
N
8 mph
2100 76°F
NE
6 mph
06 dec, saturday
0000 74°F
N
4 mph