Climate · Warren

Warren, MA climate

Warren has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 81°, a January night drops to 16°, and about 43 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
81°
142nd coolest of 541 Massachusetts towns
January low
16°
175th coldest of 541 Massachusetts towns
Rain + melted snow
50 in
164th wettest of 541 Massachusetts towns
Snow a winter
43 in
176th least snowy of 534 Massachusetts towns
A normal year

What a year in Warren feels like

Winter

36° / 19°
Typical high / low · 14 days with an inch or more of snow

Spring

56° / 35°
Typical high / low · Last frost around Apr 28

Summer

79° / 57°
Typical high / low · 5 days reach 90° in a normal year

Fall

61° / 40°
Typical high / low · First frost around Oct 15
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Warren 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°3.7" 11.5"1120 15° – 32°
February37°18°3.3" 12.0"919 13° – 34°
March44°25°4.2" 8.7"1112 28° – 44°
April57°35°4.1" 0.8"111 42° – 50°
May68°45°3.7" 0130 51° – 61°
June76°54°4.5" 0120 62° – 67°
July81°60°4.2" 0110 66° – 74°
August79°58°4.5" 0100 65° – 73°
September72°50°4.3" 090 58° – 65°
October60°40°4.9" 0100 46° – 57°
November49°31°3.8" 0.7"101 35° – 45°
December38°22°4.5" 9.3"1112 24° – 40°
Year58°38°49.6"43.0"12864

“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 Warren

Warren gets 50 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 128 days a year. Snow covers the ground about 64 days of the year.

50 in
Rain + melted snow a year
More rain than 86% of U.S. towns
43 in
Snow in a normal winter
More snow than 74% of U.S. towns
64 days
With 1"+ of snow on the ground
More than 74% 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 169 frost-free days a year

In half of years the last 32° night comes by April 28 and the first one by October 15. That leaves about 169 frost-free days for gardens, shorter than 62% of U.S. towns.

150
nights at or below 32° in a normal year
9
nights below 0° in a normal year
5
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 Warren

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Warren, 93% of that work is heating and 7% is cooling, so the furnace matters far more than the air conditioner.

93%heating
6,566 heating degree daysMore heating than 67% of U.S. towns
523 cooling degree daysLess cooling than 75% 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 Warren

Warren and its neighbors

Warren borders 4 towns with climate data. January nights across them vary by 0.9°. West Brookfield has the coldest January nights (15°) and Palmer Town the hottest July afternoons (83°). Warren’s January low is 16° and its July high 81°.

Brookfield: January low 16°, July high 81°New Braintree: January low 15°, July high 81°North Brookfield: January low 16°, July high 81°Monson: January low 16°, July high 82°Belchertown: January low 16°, July high 83°New Salem: January low 14°, July high 83°Petersham: January low 14°, July high 82°Hardwick: January low 15°, July high 82°Wales: January low 16°, July high 80°Holland: January low 17°, July high 81°Sturbridge: January low 17°, July high 81°West Brookfield: January low 15°, July high 81°Palmer Town: January low 16°, July high 83°Ware: January low 16°, July high 82°Brimfield: January low 16°, July high 81°Warren: January low 16°, July high 81° WarrenWest BrookfieldPalmer TownWareBrimfield
ColderMilder14° to 17°
West Brookfield15.4° −0.6°
Ware15.5° −0.5°
Warren16.0°
Palmer Town16.0° same
Brimfield16.3° +0.3°

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

Compared with other towns

How Warren compares

Summer heat81° July high
Cooler than 83% of U.S. towns142nd coolest of 541 Massachusetts towns
Winter cold16° January low
Colder than 66% of U.S. towns175th coldest of 541 Massachusetts towns
Precipitation50" a year
Wetter than 86% of U.S. towns164th wettest of 541 Massachusetts towns
Snow43" a winter
Snowier than 74% of U.S. towns176th least snowy of 534 Massachusetts towns
Growing season169 frost-free days
Shorter than 62% of U.S. towns235th longest of 539 Massachusetts towns

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

Then and now

Warmer than it used to be

+1.7°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Warren averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.6°). The shift is larger than in 81% of U.S. towns.

❄️ Winter+2.9° now 27°, was 24°
🌷 Spring+1.2° now 46°, was 44°
☀️ Summer+1.3° now 68°, was 67°
🍂 Fall+1.4° now 50°, was 49°

Change by month1991–2020 average minus 1901–2000 average, at Warren’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 13° to 34°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Warren’s climate

What is the coldest month in Warren?

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

What is the hottest month in Warren?

July, with a typical high of 81° and a low of 60°. About 5 days a year reach 90°.

How much snow does Warren get?

About 43 inches in a normal winter, most of it in February.

When is the first frost in Warren?

In half of years the first 32° night comes by October 15, and the last spring frost by April 28.

What is the rainiest month in Warren?

October, with 4.9 inches of rain and melted snow. The year totals 50 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Warren itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Ware, MA (5 mi, snow) and East Brimfield Lake, MA (7 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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