Climate · Woodbury

Woodbury, CT climate

Woodbury has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 17°, and about 47 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
170th hottest of 364 Connecticut towns
January low
17°
50th coldest of 364 Connecticut towns
Rain + melted snow
49 in
152nd wettest of 364 Connecticut towns
Snow a winter
47 in
135th snowiest of 353 Connecticut towns
A normal year

What a year in Woodbury feels like

Winter

38° / 19°
Typical high / low · 14 days with an inch or more of snow

Spring

59° / 36°
Typical high / low · Last frost around Apr 25

Summer

81° / 58°
Typical high / low · 13 days reach 90° in a normal year

Fall

62° / 41°
Typical high / low · First frost around Oct 18
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Woodbury weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January35°17°3.4" 11.3"1215 17° – 32°
February38°18°3.0" 13.7"1015 15° – 35°
March47°26°4.0" 10.3"129 30° – 45°
April59°36°4.1" 1.4"101 43° – 52°
May70°46°3.9" 0120 53° – 63°
June78°55°4.4" 0110 64° – 70°
July83°61°4.3" 0100 67° – 75°
August81°59°4.3" 090 67° – 74°
September74°52°4.5" 0100 59° – 67°
October62°40°4.8" 090 47° – 58°
November50°31°3.9" 1.5"101 36° – 45°
December40°23°4.2" 8.6"119 25° – 43°
Year60°39°48.8"46.8"12549

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Woodbury

Woodbury gets 49 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 125 days a year. Snow covers the ground about 49 days of the year.

49 in
Rain + melted snow a year
More rain than 84% of U.S. towns
47 in
Snow in a normal winter
More snow than 78% of U.S. towns
49 days
With 1"+ of snow on the ground
More than 65% of U.S. towns

Rain + melted snow by month

Inches of water
4.8"

Snowfall by month

Inches of snow
14"
Frost & the growing season

About 172 frost-free days a year

In half of years the last 32° night comes by April 25 and the first one by October 18. That leaves about 172 frost-free days for gardens, shorter than 58% of U.S. towns.

142
nights at or below 32° in a normal year
5
nights below 0° in a normal year
13
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Woodbury

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Woodbury, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
6,107 heating degree daysMore heating than 59% of U.S. towns
686 cooling degree daysLess cooling than 62% of U.S. towns

Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.

Around Woodbury

Woodbury and its neighbors

Woodbury borders 6 towns with climate data. January nights across them vary by 2.3°. Bethlehem has the coldest January nights (15°) and Southbury the hottest July afternoons (84°). Woodbury’s January low is 17° and its July high 83°.

Naugatuck: January low 18°, July high 84°Waterbury: January low 18°, July high 83°Oxford: January low 18°, July high 83°Morris: January low 15°, July high 81°Bridgewater: January low 17°, July high 83°Newtown: January low 18°, July high 83°Thomaston: January low 16°, July high 82°New Milford: January low 17°, July high 84°Warren: January low 15°, July high 80°Kent: January low 15°, July high 81°Litchfield: January low 15°, July high 81°Middlebury: January low 17°, July high 83°Bethlehem: January low 15°, July high 81°Roxbury: January low 17°, July high 83°Southbury: January low 18°, July high 84°Watertown: January low 17°, July high 83°Washington: January low 16°, July high 82°Woodbury: January low 17°, July high 83° WoodburyMiddleburyBethlehemRoxburySouthburyWatertownWashington
ColderMilder15° to 18°
Bethlehem15.4° −1.4°
Washington15.7° −1.1°
Watertown16.5° −0.3°
Roxbury16.6° −0.2°
Woodbury16.8°
Middlebury17.2° +0.4°
Southbury17.7° +0.9°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Woodbury compares

Summer heat83° July high
Cooler than 63% of U.S. towns170th hottest of 364 Connecticut towns
Winter cold17° January low
Colder than 63% of U.S. towns50th coldest of 364 Connecticut towns
Precipitation49" a year
Wetter than 84% of U.S. towns152nd wettest of 364 Connecticut towns
Snow47" a winter
Snowier than 78% of U.S. towns135th snowiest of 353 Connecticut towns
Growing season172 frost-free days
Shorter than 58% of U.S. towns128th shortest of 364 Connecticut towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.8°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Woodbury averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.2°). The shift is larger than in 85% of U.S. towns.

❄️ Winter+2.5° now 29°, was 26°
🌷 Spring+1.4° now 47°, was 46°
☀️ Summer+1.7° now 70°, was 68°
🍂 Fall+1.4° now 52°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at Woodbury’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 15° to 35°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Woodbury’s climate

What is the coldest month in Woodbury?

January, with a typical high of 35° and a low of 17°.

What is the hottest month in Woodbury?

July, with a typical high of 83° and a low of 61°. About 13 days a year reach 90°.

How much snow does Woodbury get?

About 47 inches in a normal winter, most of it in February.

When is the first frost in Woodbury?

In half of years the first 32° night comes by October 18, and the last spring frost by April 25.

What is the rainiest month in Woodbury?

October, with 4.8 inches of rain and melted snow. The year totals 49 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Woodbury itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Woodbury, CT (1 mi, snow) and Burlington, CT (21 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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