Climate · New Hartford

New Hartford, CT climate

New Hartford has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 16°, and about 59 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
120th coolest of 364 Connecticut towns
January low
16°
40th coldest of 364 Connecticut towns
Rain + melted snow
53 in
1st wettest of 364 Connecticut towns
Snow a winter
59 in
18th snowiest of 353 Connecticut towns
A normal year

What a year in New Hartford feels like

Winter

37° / 19°
Typical high / low · 15 days with an inch or more of snow

Spring

58° / 35°
Typical high / low · Last frost around May 8

Summer

80° / 57°
Typical high / low · 7 days reach 90° in a normal year

Fall

61° / 40°
Typical high / low · First frost around Oct 5
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

New Hartford 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
January34°16°3.8" 13.1"1323 16° – 32°
February37°18°3.4" 15.8"1021 14° – 34°
March46°25°4.4" 12.7"1217 28° – 45°
April59°35°4.3" 2.6"132 42° – 51°
May70°45°4.1" 0140 53° – 63°
June78°54°4.8" 0130 63° – 70°
July83°60°4.4" 0120 67° – 75°
August81°58°4.6" 0110 65° – 73°
September73°51°4.9" 0110 59° – 66°
October62°40°5.4" 0.3"120 46° – 57°
November50°31°4.1" 2.6"112 36° – 45°
December39°22°4.8" 12.0"1315 24° – 41°
Year59°38°52.8"59.1"14380

“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 New Hartford

New Hartford gets 53 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 143 days a year. Snow covers the ground about 80 days of the year.

53 in
Rain + melted snow a year
More rain than 92% of U.S. towns
59 in
Snow in a normal winter
More snow than 88% of U.S. towns
80 days
With 1"+ of snow on the ground
More than 82% of U.S. towns

Rain + melted snow by month

Inches of water
5.4"

Snowfall by month

Inches of snow
16"
Frost & the growing season

About 151 frost-free days a year

In half of years the last 32° night comes by May 8 and the first one by October 5. That leaves about 151 frost-free days for gardens, shorter than 80% of U.S. towns.

158
nights at or below 32° in a normal year
8
nights below 0° in a normal year
7
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 New Hartford

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In New Hartford, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.

94%heating
6,841 heating degree daysMore heating than 71% of U.S. towns
431 cooling degree daysLess cooling than 82% 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 New Hartford

New Hartford and its neighbors

New Hartford borders 5 towns with climate data. January nights across them vary by 2.3°. Torrington has the coldest January nights (15°) and Canton the hottest July afternoons (83°). New Hartford’s January low is 16° and its July high 83°.

Avon: January low 18°, July high 85°Simsbury: January low 18°, July high 85°Granby: January low 17°, July high 85°Winchester: January low 15°, July high 81°Goshen: January low 14°, July high 80°Litchfield: January low 15°, July high 81°Plymouth: January low 17°, July high 82°Thomaston: January low 16°, July high 82°Hartland: January low 15°, July high 82°Bristol: January low 18°, July high 84°Farmington: January low 18°, July high 85°Canton: January low 17°, July high 83°Torrington: January low 15°, July high 81°Harwinton: January low 16°, July high 82°Barkhamsted: January low 16°, July high 83°Burlington: January low 17°, July high 83°New Hartford: January low 16°, July high 83° New HartfordCantonTorringtonHarwintonBarkhamstedBurlington
ColderMilder14° to 18°
Torrington14.9° −1.4°
Harwinton15.7° −0.6°
Barkhamsted15.7° −0.6°
New Hartford16.3°
Canton17.0° +0.7°
Burlington17.2° +0.9°

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

Compared with other towns

How New Hartford compares

Summer heat83° July high
Cooler than 69% of U.S. towns120th coolest of 364 Connecticut towns
Winter cold16° January low
Colder than 65% of U.S. towns40th coldest of 364 Connecticut towns
Precipitation53" a year
Wetter than 92% of U.S. towns1st wettest of 364 Connecticut towns
Snow59" a winter
Snowier than 88% of U.S. towns18th snowiest of 353 Connecticut towns
Growing season151 frost-free days
Shorter than 80% of U.S. towns27th 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 New Hartford averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.4°). The shift is larger than in 85% of U.S. towns.

❄️ Winter+2.8° now 28°, was 25°
🌷 Spring+1.3° now 46°, was 45°
☀️ Summer+1.4° now 69°, was 67°
🍂 Fall+1.5° now 51°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at New Hartford’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 New Hartford’s climate

What is the coldest month in New Hartford?

January, with a typical high of 34° and a low of 16°.

What is the hottest month in New Hartford?

July, with a typical high of 83° and a low of 60°. About 7 days a year reach 90°.

How much snow does New Hartford get?

About 59 inches in a normal winter, most of it in February.

When is the first frost in New Hartford?

In half of years the first 32° night comes by October 5, and the last spring frost by May 8.

What is the rainiest month in New Hartford?

October, with 5.4 inches of rain and melted snow. The year totals 53 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for New Hartford itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bakersville, CT (1 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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