Climate · Mattawamkeag

Mattawamkeag, ME climate

Mattawamkeag has cold, snowy winters and pleasant summers. A typical July afternoon reaches 79°, a January night drops to 6°, and about 86 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
79°
228th hottest of 614 Maine towns
January low
6°
129th coldest of 614 Maine towns
Rain + melted snow
44 in
93rd driest of 614 Maine towns
Snow a winter
86 in
163rd snowiest of 567 Maine towns
A normal year

What a year in Mattawamkeag feels like

Winter

29° / 9°
Typical high / low · 24 days with an inch or more of snow

Spring

51° / 29°
Typical high / low · Last frost around May 8

Summer

77° / 53°
Typical high / low · 4 days reach 90° in a normal year

Fall

56° / 36°
Typical high / low · First frost around Oct 1
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Mattawamkeag weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January26°6°3.3" 23.3"11 4° – 24°
February29°7°2.7" 19.1"9 6° – 26°
March38°18°3.3" 18.6"10 20° – 36°
April51°30°3.4" 4.5"10 36° – 46°
May65°40°3.6" 012 48° – 58°
June74°50°4.0" 013 58° – 66°
July79°56°3.8" 014 62° – 70°
August78°54°3.4" 011 63° – 69°
September70°46°3.6" 011 53° – 63°
October56°36°4.5" 0.4"12 41° – 53°
November43°27°3.9" 3.6"11 30° – 40°
December32°15°4.2" 16.6"11 17° – 32°
Year53°32°43.6"86.1"134

“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 Mattawamkeag

Mattawamkeag gets 44 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 134 days a year.

44 in
Rain + melted snow a year
More rain than 64% of U.S. towns
86 in
Snow in a normal winter
More snow than 96% of U.S. towns
134 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
4.5"

Snowfall by month

Inches of snow
23"
Frost & the growing season

About 143 frost-free days a year

In half of years the last 32° night comes by May 8 and the first one by October 1. That leaves about 143 frost-free days for gardens, shorter than 87% of U.S. towns.

169
nights at or below 32° in a normal year
23
nights below 0° in a normal year
4
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 Mattawamkeag

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mattawamkeag, 97% of that work is heating and 3% is cooling, so the furnace matters far more than the air conditioner.

97%heating
8,351 heating degree daysMore heating than 90% of U.S. towns
293 cooling degree daysLess cooling than 92% 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 Mattawamkeag

Mattawamkeag and its neighbors

Mattawamkeag borders 1 town with climate data. January nights across them vary by 0.2°. Winn has both the coldest January nights (6°) and the hottest July afternoons (80°). Mattawamkeag’s January low is 6° and its July high 79°.

Webster plantation: January low 6°, July high 79°Lee: January low 7°, July high 79°Lincoln: January low 7°, July high 80°Winn: January low 6°, July high 80°Mattawamkeag: January low 6°, July high 79° MattawamkeagWinn
ColderMilder6° to 7°
Mattawamkeag6.1°
Winn6.3° +0.2°

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

Compared with other towns

How Mattawamkeag compares

Summer heat79° July high
Cooler than 92% of U.S. towns228th hottest of 614 Maine towns
Winter cold6° January low
Colder than 88% of U.S. towns129th coldest of 614 Maine towns
Precipitation44" a year
Wetter than 64% of U.S. towns93rd driest of 614 Maine towns
Snow86" a winter
Snowier than 96% of U.S. towns163rd snowiest of 567 Maine towns
Growing season143 frost-free days
Shorter than 87% of U.S. towns181st shortest of 610 Maine 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 Mattawamkeag averaged 1.7° warmer than the 1900s. The biggest change is in December (+4.2°). The shift is larger than in 81% of U.S. towns.

❄️ Winter+3.0° now 19°, was 16°
🌷 Spring+0.9° now 40°, was 39°
☀️ Summer+1.2° now 65°, was 64°
🍂 Fall+1.7° now 46°, was 45°

Change by month1991–2020 average minus 1901–2000 average, at Mattawamkeag’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 6° to 26°. August is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Mattawamkeag’s climate

What is the coldest month in Mattawamkeag?

January, with a typical high of 26° and a low of 6°.

What is the hottest month in Mattawamkeag?

July, with a typical high of 79° and a low of 56°. About 4 days a year reach 90°.

How much snow does Mattawamkeag get?

About 86 inches in a normal winter, most of it in January.

When is the first frost in Mattawamkeag?

In half of years the first 32° night comes by October 1, and the last spring frost by May 8.

What is the rainiest month in Mattawamkeag?

October, with 4.5 inches of rain and melted snow. The year totals 44 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Mattawamkeag itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Millinocket, ME (21 mi, snow) and Millinocket Municipal Airport, ME (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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