Norwich (CT) Weather and Climate: A Comprehensive Guide
Norwich experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Norwich is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C in July to a chilly 3°C in January.
Nighttime temperatures can drop, with average lows reaching -7°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Norwich has a notably wet climate with abundant precipitation, recording 1332 mm of rain/snowfall per year. The wettest period in Norwich occurs in March, which receives around 132 mm of precipitation. During the driest month, January, Norwich experiences moderate snow/rainfall, totaling approximately 91 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Norwich, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 4.6 hours per average 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 Norwich.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 58%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
partly cloudy and no rain overcast and rain partly cloudy and no rainForecast for Norwich (CT)
3 m/s
7 m/s
9 m/s
The best time of year to visit Norwich 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 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
March tops the wettest month list with 132 mm of rainfall.
January is the driest month with 91 mm of precipitation.
July is the sunniest month with an average of 293 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.
