Climate · Pelham

Pelham, NH climate

Pelham has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 16°, and about 67 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
84°
9th hottest of 321 New Hampshire towns
January low
16°
21st mildest of 321 New Hampshire towns
Rain + melted snow
46 in
112th driest of 321 New Hampshire towns
Snow a winter
67 in
158th least snowy of 321 New Hampshire towns
+11°

11° warmer than normal today. The forecast high is 79°, and a typical Oct 1 in Pelham peaks around 68°.Live forecast: National Weather Service · Normal: NOAA 1991–2020

A normal year

What a year in Pelham feels like

Winter

37° / 18°
Typical high / low · 16 days with an inch or more of snow

Spring

58° / 35°
Typical high / low · Last frost around Apr 30

Summer

81° / 58°
Typical high / low · 20 days reach 90° in a normal year

Fall

62° / 40°
Typical high / low · First frost around Oct 10
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Pelham 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
January35°16°3.2" 17.1"1224 15° – 32°
February38°17°3.1" 16.3"1122 13° – 34°
March46°25°4.1" 14.6"1217 28° – 44°
April59°35°3.9" 2.8"122 43° – 51°
May70°45°3.8" 0130 52° – 62°
June78°55°4.2" 0120 63° – 70°
July84°60°3.8" 0110 68° – 75°
August82°59°3.7" 0110 67° – 74°
September74°51°3.8" 0100 59° – 67°
October62°40°4.8" 0.6"110 47° – 58°
November50°31°3.7" 2.0"112 36° – 45°
December40°22°4.3" 13.4"1215 25° – 40°
Year60°38°46.3"66.8"13781

“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 Pelham

Pelham gets 46 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 137 days a year. Snow covers the ground about 81 days of the year.

46 in
Rain + melted snow a year
More rain than 74% of U.S. towns
67 in
Snow in a normal winter
More snow than 91% of U.S. towns
81 days
With 1"+ of snow on the ground
More than 82% of U.S. towns

Rain + melted snow by month

Inches of water
4.8"

Snowfall by month

Inches of snow
17"
Frost & the growing season

About 164 frost-free days a year

In half of years the last 32° night comes by April 30 and the first one by October 10. That leaves about 164 frost-free days for gardens, shorter than 67% of U.S. towns.

148
nights at or below 32° in a normal year
5
nights below 0° in a normal year
20
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 Pelham

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Pelham, 91% of that work is heating and 9% is cooling, so the furnace matters far more than the air conditioner.

91%heating
6,465 heating degree daysMore heating than 65% of U.S. towns
668 cooling degree daysLess cooling than 63% 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 Pelham

Pelham and its neighbors

Pelham borders 5 towns with climate data. January nights across them vary by 0.9°. Hudson has the coldest January nights (16°) and Dracut the hottest July afternoons (84°). Pelham’s January low is 16° and its July high 84°.

Londonderry: January low 15°, July high 83°Derry: January low 15°, July high 83°Andover: January low 17°, July high 83°Tyngsborough: January low 16°, July high 84°Lowell: January low 16°, July high 84°Tewksbury: January low 17°, July high 84°Nashua: January low 16°, July high 84°Litchfield: January low 15°, July high 84°Atkinson: January low 16°, July high 83°Haverhill: January low 17°, July high 83°North Andover: January low 17°, July high 83°Lawrence: January low 17°, July high 83°Windham: January low 16°, July high 83°Dracut: January low 16°, July high 84°Hudson: January low 16°, July high 84°Salem: January low 16°, July high 84°Methuen: January low 16°, July high 83°Pelham: January low 16°, July high 84° PelhamWindhamDracutHudsonSalemMethuen
ColderMilder15° to 17°
Hudson15.5° −0.3°
Windham15.6° −0.2°
Pelham15.8°
Dracut16.0° +0.2°
Salem16.0° +0.2°
Methuen16.4° +0.6°

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

Compared with other towns

How Pelham compares

Summer heat84° July high
Cooler than 61% of U.S. towns9th hottest of 321 New Hampshire towns
Winter cold16° January low
Colder than 67% of U.S. towns21st mildest of 321 New Hampshire towns
Precipitation46" a year
Wetter than 74% of U.S. towns112th driest of 321 New Hampshire towns
Snow67" a winter
Snowier than 91% of U.S. towns158th least snowy of 321 New Hampshire towns
Growing season164 frost-free days
Shorter than 67% of U.S. towns28th longest of 321 New Hampshire 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 Pelham averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.4°). The shift is larger than in 80% of U.S. towns.

❄️ Winter+2.7° now 28°, was 25°
🌷 Spring+1.1° now 46°, was 45°
☀️ Summer+1.4° now 70°, was 68°
🍂 Fall+1.4° now 51°, was 50°

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

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Pelham’s climate

What is the coldest month in Pelham?

January, with a typical high of 35° and a low of 16°.

What is the hottest month in Pelham?

July, with a typical high of 84° and a low of 60°. About 20 days a year reach 90°.

How much snow does Pelham get?

About 67 inches in a normal winter, most of it in January.

When is the first frost in Pelham?

In half of years the first 32° night comes by October 10, and the last spring frost by April 30.

What is the rainiest month in Pelham?

October, with 4.8 inches of rain and melted snow. The year totals 46 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Pelham itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Hudson 1 Sse, NH (5 mi, snow) and Lowell, MA (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.

We left the porch light on

Where to, neighbor?

You’re in Pelham, NHHillsborough CountyView boundary

Nearby

All towns & citiesExplore the map
Loading boundary…

Pelham is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01