Climate · Kittery

Kittery, ME climate

Kittery has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 80°, a January night drops to 16°, and about 56 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
80°
56th hottest of 614 Maine towns
January low
16°
3rd mildest of 614 Maine towns
Rain + melted snow
49 in
174th wettest of 614 Maine towns
Snow a winter
56 in
29th least snowy of 567 Maine towns
A normal year

What a year in Kittery feels like

Winter

36° / 19°
Typical high / low · 15 days with an inch or more of snow

Spring

54° / 35°
Typical high / low · Last frost around May 4

Summer

78° / 58°
Typical high / low · 11 days reach 90° in a normal year

Fall

60° / 42°
Typical high / low · First frost around Oct 8
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Kittery 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°3.6" 15.9"1021 17° – 32°
February36°18°3.5" 16.2"820 13° – 33°
March43°25°4.4" 10.5"1014 29° – 44°
April55°35°4.3" 1.2"102 41° – 49°
May65°45°3.9" 0120 50° – 61°
June75°54°4.2" 0110 61° – 68°
July80°61°3.7" 0100 66° – 73°
August79°59°3.5" 090 66° – 72°
September71°52°3.9" 080 58° – 66°
October60°41°4.9" 0.1"100 47° – 57°
November49°31°4.1" 0.9"101 35° – 45°
December39°23°4.6" 11.0"119 25° – 39°
Year57°38°48.6"55.8"11966

“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 Kittery

Kittery 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 119 days a year. Snow covers the ground about 66 days of the year.

49 in
Rain + melted snow a year
More rain than 84% of U.S. towns
56 in
Snow in a normal winter
More snow than 87% of U.S. towns
66 days
With 1"+ of snow on the ground
More than 75% of U.S. towns

Rain + melted snow by month

Inches of water
4.9"

Snowfall by month

Inches of snow
16"
Frost & the growing season

About 157 frost-free days a year

In half of years the last 32° night comes by May 4 and the first one by October 8. That leaves about 157 frost-free days for gardens, shorter than 74% of U.S. towns.

143
nights at or below 32° in a normal year
6
nights below 0° in a normal year
11
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 Kittery

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

93%heating
6,775 heating degree daysMore heating than 70% of U.S. towns
478 cooling degree daysLess cooling than 79% 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 Kittery

Kittery and its neighbors

Kittery borders 5 towns with climate data. January nights across them vary by 1.3°. Eliot has both the coldest January nights (15°) and the hottest July afternoons (81°). Kittery’s January low is 16° and its July high 80°.

Ogunquit: January low 16°, July high 80°South Berwick: January low 14°, July high 82°Dover: January low 15°, July high 82°Newington: January low 16°, July high 81°North Hampton: January low 17°, July high 81°Greenland: January low 17°, July high 81°York: January low 16°, July high 80°Eliot: January low 15°, July high 81°Rye: January low 17°, July high 80°Portsmouth: January low 16°, July high 80°New Castle: January low 16°, July high 80°Kittery: January low 16°, July high 80° KitteryYorkEliotRyePortsmouthNew Castle
ColderMilder14° to 17°
Eliot15.2° −1.0°
York16.0° −0.2°
New Castle16.0° −0.2°
Kittery16.2°
Portsmouth16.3° +0.1°
Rye16.5° +0.3°

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

Compared with other towns

How Kittery compares

Summer heat80° July high
Cooler than 88% of U.S. towns56th hottest of 614 Maine towns
Winter cold16° January low
Colder than 66% of U.S. towns3rd mildest of 614 Maine towns
Precipitation49" a year
Wetter than 84% of U.S. towns174th wettest of 614 Maine towns
Snow56" a winter
Snowier than 87% of U.S. towns29th least snowy of 567 Maine towns
Growing season157 frost-free days
Shorter than 74% of U.S. towns218th longest 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 Kittery averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.2°). The shift is larger than in 84% of U.S. towns.

❄️ Winter+2.4° now 27°, was 25°
🌷 Spring+1.3° now 45°, was 44°
☀️ Summer+1.8° now 68°, was 66°
🍂 Fall+1.4° now 51°, was 49°

Change by month1991–2020 average minus 1901–2000 average, at Kittery’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 33°. August is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Kittery’s climate

What is the coldest month in Kittery?

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

What is the hottest month in Kittery?

July, with a typical high of 80° and a low of 61°. About 11 days a year reach 90°.

How much snow does Kittery get?

About 56 inches in a normal winter, most of it in February.

When is the first frost in Kittery?

In half of years the first 32° night comes by October 8, and the last spring frost by May 4.

What is the rainiest month in Kittery?

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 Kittery itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Eliot, ME (11 mi, snow) and Greenland, NH (11 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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