Climate · North Berwick

North Berwick, ME climate

North Berwick has cold, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 81°, a January night drops to 13°, and about 39 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
81°
7th hottest of 614 Maine towns
January low
13°
122nd mildest of 614 Maine towns
Rain + melted snow
49 in
170th wettest of 614 Maine towns
Snow a winter
39 in
4th least snowy of 567 Maine towns
A normal year

What a year in North Berwick feels like

Winter

35° / 16°
Typical high / low · 11 days with an inch or more of snow

Spring

56° / 33°
Typical high / low · Last frost around May 16

Summer

79° / 56°
Typical high / low · 10 days reach 90° in a normal year

Fall

60° / 39°
Typical high / low · First frost around Sep 30
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

North Berwick 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
January32°13°3.5" 10.8"919 14° – 30°
February35°15°3.4" 9.1"818 10° – 31°
March43°23°4.2" 6.8"914 26° – 41°
April56°33°4.4" 1.8"111 40° – 49°
May67°44°3.8" 0120 50° – 61°
June76°53°4.3" 0120 61° – 68°
July81°59°3.9" 0110 66° – 73°
August80°57°3.6" 0100 66° – 72°
September72°50°3.9" 0100 57° – 64°
October60°38°5.0" 0.2"100 46° – 55°
November48°29°4.2" 1.3"111 34° – 43°
December37°20°4.5" 8.9"1111 22° – 37°
Year57°36°48.7"38.9"12164

“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 North Berwick

North Berwick 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 121 days a year. Snow covers the ground about 64 days of the year.

49 in
Rain + melted snow a year
More rain than 84% of U.S. towns
39 in
Snow in a normal winter
More snow than 68% 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
5.0"

Snowfall by month

Inches of snow
11"
Frost & the growing season

About 136 frost-free days a year

In half of years the last 32° night comes by May 16 and the first one by September 30. That leaves about 136 frost-free days for gardens, shorter than 92% of U.S. towns.

156
nights at or below 32° in a normal year
11
nights below 0° in a normal year
10
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 North Berwick

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In North Berwick, 95% of that work is heating and 5% is cooling, so the furnace matters far more than the air conditioner.

95%heating
7,431 heating degree daysMore heating than 79% of U.S. towns
351 cooling degree daysLess cooling than 88% 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 North Berwick

North Berwick and its neighbors

North Berwick borders 5 towns with climate data. January nights across them vary by 1.9°. Sanford has the coldest January nights (13°) and South Berwick the hottest July afternoons (82°). North Berwick’s January low is 13° and its July high 81°.

Alfred: January low 12°, July high 81°Shapleigh: January low 12°, July high 80°Rochester: January low 13°, July high 82°Somersworth: January low 14°, July high 82°Rollinsford: January low 14°, July high 82°Kennebunk: January low 14°, July high 81°Ogunquit: January low 16°, July high 80°Milton: January low 12°, July high 81°Acton: January low 12°, July high 80°Eliot: January low 15°, July high 81°Dover: January low 15°, July high 82°York: January low 16°, July high 80°Sanford: January low 13°, July high 81°Berwick: January low 13°, July high 82°Wells: January low 14°, July high 81°Lebanon: January low 13°, July high 82°South Berwick: January low 14°, July high 82°North Berwick: January low 13°, July high 81° North BerwickSanfordBerwickWellsLebanonSouth Berwick
ColderMilder12° to 16°
Sanford12.5° −0.6°
Lebanon12.5° −0.6°
North Berwick13.1°
Berwick13.2° +0.1°
Wells14.2° +1.1°
South Berwick14.4° +1.3°

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

Compared with other towns

How North Berwick compares

Summer heat81° July high
Cooler than 79% of U.S. towns7th hottest of 614 Maine towns
Winter cold13° January low
Colder than 75% of U.S. towns122nd mildest of 614 Maine towns
Precipitation49" a year
Wetter than 84% of U.S. towns170th wettest of 614 Maine towns
Snow39" a winter
Snowier than 68% of U.S. towns4th least snowy of 567 Maine towns
Growing season136 frost-free days
Shorter than 92% of U.S. towns106th 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

+1.6°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in North Berwick averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.2°). The shift is larger than in 77% of U.S. towns.

❄️ Winter+2.4° now 25°, was 23°
🌷 Spring+1.2° now 44°, was 43°
☀️ Summer+1.5° now 68°, was 66°
🍂 Fall+1.4° now 49°, was 48°

Change by month1991–2020 average minus 1901–2000 average, at North Berwick’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 10° to 31°. August is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about North Berwick’s climate

What is the coldest month in North Berwick?

January, with a typical high of 32° and a low of 13°.

What is the hottest month in North Berwick?

July, with a typical high of 81° and a low of 59°. About 10 days a year reach 90°.

How much snow does North Berwick get?

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

When is the first frost in North Berwick?

In half of years the first 32° night comes by September 30, and the last spring frost by May 16.

What is the rainiest month in North Berwick?

October, with 5.0 inches of rain and melted snow. The year totals 49 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for North Berwick itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Durham, NH (17 mi, snow) and Sanford 2 Nnw, ME (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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