Climate · Wolcott

Wolcott, CT climate

Wolcott has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 82°, a January night drops to 17°, and about 39 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
82°
57th coolest of 364 Connecticut towns
January low
17°
50th coldest of 364 Connecticut towns
Rain + melted snow
52 in
8th wettest of 364 Connecticut towns
Snow a winter
39 in
161st least snowy of 353 Connecticut towns
A normal year

What a year in Wolcott feels like

Winter

37° / 19°
Typical high / low · 10 days with an inch or more of snow

Spring

57° / 36°
Typical high / low · Last frost around Apr 25

Summer

79° / 58°
Typical high / low · 13 days reach 90° in a normal year

Fall

61° / 42°
Typical high / low · First frost around Oct 18
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Wolcott 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°3.9" 11.1"1013 17° – 32°
February38°18°3.3" 11.8"913 14° – 34°
March45°26°4.4" 5.5"109 29° – 44°
April58°36°4.4" 0.5"110 43° – 52°
May69°46°3.9" 0120 53° – 62°
June77°55°4.7" 0110 63° – 69°
July82°61°4.4" 0110 66° – 75°
August80°59°4.4" 0100 66° – 73°
September73°52°4.7" 090 59° – 67°
October61°42°5.2" 0.6"100 47° – 58°
November50°32°4.3" 0.8"91 36° – 45°
December39°23°4.6" 8.3"117 24° – 41°
Year59°39°52.3"38.6"12342

“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 Wolcott

Wolcott gets 52 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 123 days a year. Snow covers the ground about 42 days of the year.

52 in
Rain + melted snow a year
More rain than 91% of U.S. towns
39 in
Snow in a normal winter
More snow than 68% of U.S. towns
42 days
With 1"+ of snow on the ground
More than 61% of U.S. towns

Rain + melted snow by month

Inches of water
5.2"

Snowfall by month

Inches of snow
12"
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 Wolcott

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Wolcott, 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 Wolcott

Wolcott and its neighbors

Wolcott borders 5 towns with climate data. January nights across them vary by 1.9°. Plymouth has the coldest January nights (17°) and Southington the hottest July afternoons (85°). Wolcott’s January low is 17° and its July high 82°.

Watertown: January low 17°, July high 83°Middlebury: January low 17°, July high 83°Prospect: January low 17°, July high 82°Naugatuck: January low 18°, July high 84°Berlin: January low 19°, July high 85°Meriden: January low 19°, July high 84°New Britain: January low 19°, July high 85°Plainville: January low 19°, July high 85°Burlington: January low 17°, July high 83°Farmington: January low 18°, July high 85°Thomaston: January low 16°, July high 82°Harwinton: January low 16°, July high 82°Wallingford: January low 19°, July high 84°Hamden: January low 19°, July high 84°Bethany: January low 18°, July high 83°Waterbury: January low 18°, July high 83°Southington: January low 19°, July high 85°Bristol: January low 18°, July high 84°Plymouth: January low 17°, July high 82°Cheshire: January low 19°, July high 84°Wolcott: January low 17°, July high 82° WolcottWaterburySouthingtonBristolPlymouthCheshire
ColderMilder16° to 19°
Plymouth16.7° −0.1°
Wolcott16.8°
Waterbury17.5° +0.7°
Bristol17.7° +0.9°
Southington18.5° +1.7°
Cheshire18.6° +1.8°

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

Compared with other towns

How Wolcott compares

Summer heat82° July high
Cooler than 75% of U.S. towns57th coolest of 364 Connecticut towns
Winter cold17° January low
Colder than 63% of U.S. towns50th coldest of 364 Connecticut towns
Precipitation52" a year
Wetter than 91% of U.S. towns8th wettest of 364 Connecticut towns
Snow39" a winter
Snowier than 68% of U.S. towns161st least snowy 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

+1.9°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Wolcott averaged 1.9° warmer than the 1900s. The biggest change is in December (+3.3°). The shift is larger than in 91% of U.S. towns.

❄️ Winter+2.8° now 28°, was 25°
🌷 Spring+1.5° now 47°, was 45°
☀️ Summer+1.7° now 69°, was 67°
🍂 Fall+1.6° now 52°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at Wolcott’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 14° to 34°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Wolcott’s climate

What is the coldest month in Wolcott?

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

What is the hottest month in Wolcott?

July, with a typical high of 82° and a low of 61°. About 13 days a year reach 90°.

How much snow does Wolcott get?

About 39 inches in a normal winter, most of it in February.

When is the first frost in Wolcott?

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 Wolcott?

October, with 5.2 inches of rain and melted snow. The year totals 52 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Wolcott itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Burlington, CT (14 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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