Measurements:
°C
°F
Norwalk
14°F
S 9 mph
Feels like: 8°F
Precip: 0%
World Resorts USA Norwalk Weather

Norwalk Sea Water Temperature

Current Sea Water Temperature:
+47.6°F
Maximum Sea Water Temperature in December: 52.8°F
Minimum Sea Water Temperature in December: 39.0°F
Average water temperature in December: 47.0°F

Sea Water Temperature for the Last 10 Days:

December 05 47.6°F November 30 50.2°F
December 04 49.0°F November 29 50.2°F
December 03 49.4°F November 28 50.4°F
December 02 49.6°F November 27 51.2°F
December 01 50.0°F November 26 50.8°F

When is the Warmest Sea for Norwalk?

According to our data for the last three years for Norwalk 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 Norwalk was 76.2°F. The maximum and minimum values were 73.2°F and 79.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Norwalk was 75.2°F. The maximum and minimum values were 71.0°F and 79.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Norwalk was 73.5°F. The maximum and minimum values were 72.0°F and 75.6°F respectively.

Best Time to Visit Norwalk
The most sunny months:
November 15 days
October 14 days
September 14 days
The most warm months:
July 85.6 °F
August 82.9 °F
June 78.3 °F
Warmest sea temperature:
August 76.9 °F
July 75.6 °F
September 74.6 °F
The most cold months:
January 34.9 °F
February 36.2 °F
December 40.5 °F
The most rainy months:
July 3 days
October 3 days
April 3 days
The most windy months:
January 10 mph
March 10 mph
November 10 mph

Norwalk on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
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
Norwalk
Local time: 03:05
05 dec, friday
0600 12°F
S
7 mph
0900 16°F
SW
2 mph
1200 24°F
N
6 mph
1500 24°F
N
5 mph
1800 26°F
N
4 mph
2100 26°F
N
3 mph
06 dec, saturday
0000 26°F
N
1 mph
0300 28°F
SE
1 mph