Chester Center has chilly winters and pleasant summers
A typical July afternoon reaches 84°, a January night drops to 21°, and about 28 inches of snow falls in a normal winter.
A year in Chester Center at a glance
Each month’s typical high and low, and what it brings.
What stands out about Chester Center’s climate
Read from where Chester Center sits among Connecticut’s towns. The page puts what stands out first.
28 inches of snow, 47 of rain and melt
October is the wettest month and February the driest. Rain or snow falls on about 120 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Chester Center’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
192 frost-free days. The last frost comes by Apr 14 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 24.
About 28" a winter over 8 days with an inch or more, most in January. Snow covers the ground about 30 days a year.
Months averaging under 55° run from October through April. Heating is 87% of the year’s heating-and-cooling load.
About 14 days a year reach 90°, and July afternoons average 84°.
The nicest months are May, June, July, August, September and October. 0.1 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Chester Center feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 192 frost-free days a year
In half of years the last 32° night comes by April 14 and the first by October 24.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Chester Center and its neighbors
Chester has the coldest January nights next door (20°) and Deep River Center the hottest July afternoons (83°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Chester Center averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 92% of U.S. towns.
Change by month
How Chester Center compares
Against every U.S. town on TownTapestry, each counted once, with its place in Connecticut.
Chester Center weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 38° | 21° | 3.6" | 9.0" | 11 | 10 | 21° – 35° |
| February | 41° | 22° | 3.0" | 7.1" | 10 | 10 | 18° – 38° |
| March | 48° | 29° | 4.1" | 5.0" | 10 | 4 | 33° – 46° |
| April | 59° | 38° | 4.2" | 0.8" | 11 | 0 | 45° – 53° |
| May | 70° | 47° | 3.6" | 0 | 11 | 0 | 54° – 63° |
| June | 78° | 57° | 4.2" | 0 | 10 | 0 | 65° – 70° |
| July | 84° | 63° | 3.4" | 0 | 9 | 0 | 69° – 77° |
| August | 82° | 62° | 3.9" | 0 | 9 | 0 | 69° – 76° |
| September | 75° | 54° | 4.1" | 0 | 9 | 0 | 62° – 69° |
| October | 64° | 43° | 4.5" | 0 | 10 | 0 | 50° – 60° |
| November | 53° | 34° | 3.9" | 0.3" | 9 | 0 | 39° – 47° |
| December | 43° | 26° | 4.3" | 5.6" | 11 | 6 | 28° – 45° |
| Year | 61° | 41° | 46.8" | 27.8" | 120 | 30 |
Heating and cooling a home in Chester Center
87% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 18° to 38°. June is the most reliable, staying within 5°.
Common questions about Chester Center’s climate
What is the coldest month in Chester Center?
January, with a typical high of 38° and a low of 21°.
What is the hottest month in Chester Center?
July, with a typical high of 84° and a low of 63°. About 14 days a year reach 90°.
How much snow does Chester Center get?
About 28 inches in a normal winter, most of it in January.
When is the first frost in Chester Center?
In half of years the first 32° night comes by October 24, and the last spring frost by April 14.
What is the rainiest month in Chester Center?
October, with 4.5 inches of rain and melted snow. The year totals 47 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Chester Center.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Chester Center itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Norwich Public Utility Plt, CT (22 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.