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Town Hall, Bozrah CTPhoto: John Phelan · CC BY-SA 3.0
Climate in Bozrah · NOAA 1991–2020 normals

Bozrah’s winters are colder and snowier than most of the U.S.

A typical July afternoon reaches 83°, a January night drops to 19°, and about 28 inches of snow falls in a normal winter.

Colder January nights than 62% of U.S. towns#129 coldest of 208 in CT
More snow than 59% of U.S. towns#176Snowiest  of 201 in CT
All CT rankings →

A year in Bozrah at a glance

Each month’s typical high and low, and what it brings.

Jan37°19° 9" snow
Feb40°21° 7" snow
Mar47°28° 5" snow
Apr59°37° Last frost ~Apr 14
May69°47° 1 day 90°+
Jun78°56° 2 days 90°+
Jul83°62° 6 days 90°+
Aug81°60° 4 days 90°+
Sep75°53° 1 day 90°+
Oct63°42° First frost ~Oct 24Wettest
Nov now52°33°
Dec42°25° 6" snow

What stands out about Bozrah’s climate

Compared with towns across the U.S., with Bozrah’s place in Connecticut beside it.

A normal year

What a year in Bozrah feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
40° / 22°
8 days with 1"+ of snow
Spring
58° / 37°
Last frost around Apr 14
Summer
81° / 60°
14 days reach 90°
Fall
63° / 43°
First frost around Oct 24
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

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. Frost and day counts come from NOAA’s station at Norwich Public Utility Plt, CT, 6 miles from the town’s center, 310 ft lower.

124
nights at or below 32° in a normal year
108th most of 208 in Connecticut
More freezing nights than 61% of U.S. towns
2
nights at or below 0°
150th most of 208 in Connecticut
More nights at or below 0° than 50% of U.S. towns
14
days that reach 90°
123rd fewest of 208 in Connecticut
Fewer 90° days than 62% of U.S. towns
<1
days that reach 100°
61st most of 208 in Connecticut
More 100° days than 52% of U.S. towns
6bUSDA zone
Plant hardiness zone 6b

The 2023 USDA map puts Bozrah’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −2°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

27
JFMAMJJASOND

90° days by month

Average days at 90° or more

6.3
JFMAMJJASOND
Rain & snow

About 28 inches of snow a winter

Snow, measured at Norwich Public Utility Plt, CT, falls mostly in January. Precipitation (rain plus melted snow) adds up to 48 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 120 days a year.

48"
Rain + melted snow a year
130th wettest of 208 in Connecticut
Wetter than 75% of U.S. towns
28"
Snow in a normal winter
176th snowiest of 201 in Connecticut
More snow than 59% of U.S. towns
30 days
With 1"+ of snow on the ground
102nd most of 127 in Connecticut
More days with snow on the ground than 60% of U.S. towns

Rain + melted snow by month

Inches of water

4.7"
JFMAMJJASOND

Snowfall by month

Inches of snow

9"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Bozrah

87% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

5,579 heating degree daysMore heating than 56% of U.S. towns
802 cooling degree daysLess cooling than 60% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Norwich Public Utility Plt, CT.

Living here

Living with Bozrah’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

192 frost-free days in zone 6b. 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.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 6.0 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Bozrah from natural hazards, river flooding is the largest share (72%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Bozrah and its neighbors

Every town next door is within a degree of Bozrah in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Ledyard: January low 21°, July high 82°Preston: January low 20°, July high 83°Oxoboxo River: January low 21°, July high 83°Waterford: January low 23°, July high 82°Gales Ferry: January low 21°, July high 83°Lisbon: January low 19°, July high 83°Sprague: January low 19°, July high 83°Baltic: January low 19°, July high 83°Columbia: January low 18°, July high 82°Colchester: January low 19°, July high 83°Windham: January low 18°, July high 83°South Windham: January low 18°, July high 83°Willimantic: January low 18°, July high 83°Hebron: January low 19°, July high 83°East Haddam: January low 20°, July high 83°Lyme: January low 21°, July high 83°East Lyme: January low 22°, July high 83°Scotland: January low 19°, July high 83°Montville: January low 20°, July high 83°Norwich: January low 19°, July high 83°Lebanon: January low 19°, July high 83°Salem: January low 20°, July high 83°Franklin: January low 19°, July high 83°Bozrah: January low 19°, July high 83°BozrahMontvilleNorwichLebanonSalemFranklin
ColderMilder18° to 23°
Lebanon18.6° about the same
Franklin19.1° about the same
Bozrah19.4°
Norwich19.4° about the same
Salem19.9° about the same
Montville20.1° about the same

Climates most like Bozrah’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Bozrah, CT19°83°48"28"
Bangor, PA19°84°50"23"
Washington, NJ19°84°49"23"
New Castle, IN19°84°44"25"
Bridgeport, WV23°84°47"24"

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.

Then and now

Warmer than it used to be

The last 30 years in Bozrah averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.7°).

+2.0°1991–2020 vs. 1901–2000

A bigger shift than in 90% of U.S. towns.

Winter+3.0°now 31°, was 28°
Spring+1.4°now 48°, was 46°
Summer+1.9°now 70°, was 68°
Fall+1.8°now 53°, was 51°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Bozrah compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bozrah’s place among Connecticut’s.

Summer heat83° July high
Cooler July afternoons than 71% of U.S. towns79th coolest of 208 in Connecticut
Winter cold19° January low
Colder January nights than 62% of U.S. towns129th coldest of 208 in Connecticut
Precipitation48" a year
Wetter than 75% of U.S. towns130th wettest of 208 in Connecticut
Snow28" a winter
More snow than 59% of U.S. towns176th snowiest of 201 in Connecticut
Hot days14 days at 90°+
Fewer 90° days than 62% of U.S. towns123rd fewest of 208 in Connecticut
Freezing nights124 a year
More freezing nights than 61% of U.S. towns108th most of 208 in Connecticut
Growing season192 frost-free days
A longer frost-free season than 60% of U.S. towns37th longest of 208 in Connecticut
Month by month

Bozrah weather by month

Highs, lows and precipitation from NOAA’s grid at Bozrah’s center; snow, wet days and snow on the ground from Norwich Public Utility Plt, CT. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January37°19°3.7"9.0"111020° – 35°
February40°21°3.0"7.1"101017° – 37°
March47°28°4.4"5.0"10432° – 46°
April59°37°4.2"0.8"11044° – 52°
May69°47°3.7"0.0"11053° – 62°
June78°56°4.2"0.0"10064° – 70°
July83°62°3.5"0.0"9068° – 77°
August81°60°4.0"0.0"9068° – 75°
September75°53°4.3"0.0"9061° – 68°
October63°42°4.7"0.0"10049° – 59°
November52°33°4.0"0.3"9038° – 47°
December42°25°4.5"5.6"11627° – 45°
Year61°40°47.9"27.8"12030
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 17° to 37°. June is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Bozrah’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Bozrah’s center.
  • Snow: Norwich Public Utility Plt, CT.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Norwich Public Utility Plt, CT, 6 miles from the town’s center, 310 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Bozrah’s climate

What is the weather like in Bozrah?

A typical July afternoon reaches 83°, a January night drops to 19°, and about 28 inches of snow falls in a normal winter. Colder January nights than 62% of U.S. towns; cooler July afternoons than 71% of U.S. towns.

How cold does it get in Bozrah in winter?

January nights average 19°. About 124 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.

How much snow does Bozrah get?

About 28 inches in a normal winter at Norwich Public Utility Plt, CT, most of it in January, with snow on the ground about 30 days a year.

How hot does it get in Bozrah?

July, with a typical high of 83° and a low of 62°. About 14 days a year reach 90° (Norwich Public Utility Plt, CT).

When is the first and last frost in Bozrah?

In half of years the last spring frost (32°) comes by April 14 and the first fall frost by October 24, about 192 frost-free days, at Norwich Public Utility Plt, CT.

What growing zone is Bozrah in?

Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −2°.

What is the best time of year to visit Bozrah?

By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Bozrah getting warmer?

Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 90% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Bozrah.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.