Climate · Middlefield

Middlefield, CT climate

Middlefield has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 19°, and about 39 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
158th hottest of 364 Connecticut towns
January low
19°
170th mildest of 364 Connecticut towns
Rain + melted snow
49 in
127th wettest of 364 Connecticut towns
Snow a winter
39 in
161st least snowy of 353 Connecticut towns
A normal year

What a year in Middlefield feels like

Winter

39° / 21°
Typical high / low · 10 days with an inch or more of snow

Spring

59° / 37°
Typical high / low · Last frost around Apr 26

Summer

81° / 60°
Typical high / low · 15 days reach 90° in a normal year

Fall

63° / 43°
Typical high / low · First frost around Oct 16
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Middlefield 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
January36°19°3.7" 11.1"1013 19° – 34°
February39°20°3.2" 11.8"913 15° – 36°
March47°28°4.2" 5.5"109 31° – 45°
April59°37°4.3" 0.5"110 44° – 53°
May70°47°3.6" 0120 53° – 63°
June78°56°4.5" 0110 64° – 69°
July83°62°4.0" 0110 68° – 77°
August81°61°3.9" 0100 68° – 75°
September74°54°4.3" 090 61° – 69°
October63°42°4.9" 0.6"100 49° – 59°
November51°33°4.1" 0.8"91 37° – 47°
December41°25°4.4" 8.3"117 26° – 43°
Year60°40°49.1"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 Middlefield

Middlefield 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 123 days a year. Snow covers the ground about 42 days of the year.

49 in
Rain + melted snow a year
More rain than 85% 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
4.9"

Snowfall by month

Inches of snow
12"
Frost & the growing season

About 175 frost-free days a year

In half of years the last 32° night comes by April 26 and the first one by October 16. That leaves about 175 frost-free days for gardens, shorter than 54% of U.S. towns.

129
nights at or below 32° in a normal year
4
nights below 0° in a normal year
15
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 Middlefield

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Middlefield, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.

89%heating
5,892 heating degree daysMore heating than 53% of U.S. towns
718 cooling degree daysLess cooling than 60% 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 Middlefield

Middlefield and its neighbors

Middlefield borders 3 towns with climate data. January nights across them vary by 0.8°. Meriden has the coldest January nights (19°) and Middletown the hottest July afternoons (85°). Middlefield’s January low is 19° and its July high 83°.

Cromwell: January low 20°, July high 85°Portland: January low 19°, July high 85°East Hampton: January low 19°, July high 83°Haddam: January low 20°, July high 84°Berlin: January low 19°, July high 85°Guilford: January low 20°, July high 84°Killingworth: January low 20°, July high 83°Wallingford: January low 19°, July high 84°North Branford: January low 19°, July high 83°Madison: January low 20°, July high 83°Cheshire: January low 19°, July high 84°Southington: January low 19°, July high 85°Middletown: January low 20°, July high 85°Durham: January low 19°, July high 84°Meriden: January low 19°, July high 84°Middlefield: January low 19°, July high 83° MiddlefieldMiddletownDurhamMeriden
ColderMilder19° to 20°
Middlefield18.8°
Meriden19.0° +0.2°
Durham19.3° +0.5°
Middletown19.6° +0.8°

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

Compared with other towns

How Middlefield compares

Summer heat83° July high
Cooler than 62% of U.S. towns158th hottest of 364 Connecticut towns
Winter cold19° January low
Colder than 53% of U.S. towns170th mildest of 364 Connecticut towns
Precipitation49" a year
Wetter than 85% of U.S. towns127th wettest of 364 Connecticut towns
Snow39" a winter
Snowier than 68% of U.S. towns161st least snowy of 353 Connecticut towns
Growing season175 frost-free days
Shorter than 54% of U.S. towns159th 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 Middlefield averaged 1.9° warmer than the 1900s. The biggest change is in December (+3.4°). The shift is larger than in 90% of U.S. towns.

❄️ Winter+2.7° now 30°, was 27°
🌷 Spring+1.5° now 48°, was 46°
☀️ Summer+1.8° now 70°, was 69°
🍂 Fall+1.5° now 53°, was 51°

Change by month1991–2020 average minus 1901–2000 average, at Middlefield’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 36°. June is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Middlefield’s climate

What is the coldest month in Middlefield?

January, with a typical high of 36° and a low of 19°.

What is the hottest month in Middlefield?

July, with a typical high of 83° and a low of 62°. About 15 days a year reach 90°.

How much snow does Middlefield get?

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

When is the first frost in Middlefield?

In half of years the first 32° night comes by October 16, and the last spring frost by April 26.

What is the rainiest month in Middlefield?

October, with 4.9 inches of rain and melted snow. The year totals 49 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Middlefield itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Burlington, CT (22 mi, snow) and Meriden Markham Municipal Airport, CT (6 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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