Norwalk (CT) Weather and Climate: A Comprehensive Guide
The temperature in Norwalk can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It also has a notably wet climate with much precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Norwalk. Average maximum daytime temperatures range from a comfortable 30°C in July, the warmest time of the year, to a chilly 4°C during cooler months like February.
At night, temperatures typically drop to an average of around -6°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Norwalk has a relatively rain/snowy climate with high precipitation levels, averaging 1202 mm of rain/snowfall annually. Year-round, Norwalk has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 126 mm, and the driest month, November, with 80 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Norwalk. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Norwalk.
The city experiences its highest humidity in September, reaching 68%. In April, the humidity drops to its lowest level at 55%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain almost clear and no rain broken clouds and snowForecast for Norwalk (CT)
The best time of year to visit Norwalk in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 4°C.
June tops the wettest month list with 126 mm of rainfall.
November is the driest month with 80 mm of precipitation.
July is the sunniest month with an average of 271 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.