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Climate in Hamlin · NOAA 1991–2020 normals

Hamlin gets about 97 inches of snow a winter, more than 97% of U.S. towns

Peak summer warmth arrives in July, with afternoons near 76°. The gap between a January night and a July afternoon is 74°. By July afternoons alone, it runs cooler than 98% of U.S. towns. Seedlings are safe outdoors from about May 23, with the first autumn frost due around September 26.

More snow than 97% of U.S. towns#7Snowiest  of 169 in ME
Colder January nights than all but 79 U.S. towns#4 coldest of 171 in ME
All ME rankings →

A year in Hamlin at a glance

Each month’s typical high and low, and what it brings.

Jan20°2° 25" snow
Feb23°3° 20" snow
Mar34°14° 18" snow
Apr47°28° 6" snow
May62°40° Last frost ~May 23
Jun71°49° 1 day 90°+
Jul76°55° 1 day 90°+Wettest
Aug75°53° 1 day 90°+
Sep66°45° First frost ~Sep 26
Oct52°35°
Nov now39°25° 7" snow
Dec26°11° 21" snow

What stands out about Hamlin’s climate

Compared with towns across the U.S., with Hamlin’s place in Maine beside it.

A normal year

What a year in Hamlin feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
23° / 5°
27 days with 1"+ of snow
Spring
47° / 27°
Last frost around May 23
Summer
74° / 52°
2 days reach 90°
Fall
52° / 35°
First frost around Sep 26
Best months to be outsideJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 125 frost-free days a year

In half of years the last 32° night comes by May 23 and the first by September 26. Frost and day counts come from NOAA’s station at Van Buren 2, ME, 7 miles from the town’s center, 220 ft lower.

193
nights at or below 32° in a normal year
2nd most of 171 in Maine
More freezing nights than all but 120 U.S. towns
59
nights at or below 0°
The most of 171 in Maine
More nights at or below 0° than all but 15 U.S. towns
2
days that reach 90°
25th fewest of 171 in Maine
Fewer 90° days than 96% of U.S. towns
0
days that reach 100°
None in a normal year
4aUSDA zone
Plant hardiness zone 4a

The 2023 USDA map puts Hamlin’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −26°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

31
JFMAMJJASOND

90° days by month

Average days at 90° or more

0.9
JFMAMJJASOND
Rain & snow

About 97 inches of snow a winter

Snow, measured at Van Buren 2, ME, falls mostly in January. Precipitation (rain plus melted snow) adds up to 42 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 143 days a year.

42"
Rain + melted snow a year
8th driest of 171 in Maine
Drier than 51% of U.S. towns
97"
Snow in a normal winter
7th snowiest of 169 in Maine
More snow than 97% of U.S. towns
139 days
With 1"+ of snow on the ground
4th most of 135 in Maine
More days with snow on the ground than all but 45 U.S. towns

Rain + melted snow by month

Inches of water

4.4"
JFMAMJJASOND

Snowfall by month

Inches of snow

25"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Hamlin

98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.

9,852 heating degree daysMore heating than all but 44 U.S. towns
196 cooling degree daysLess cooling than 97% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Van Buren 2, ME.

Living here

Living with Hamlin’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

125 frost-free days in zone 4a. The last frost comes by May 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 26.

Get outside

Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 38 miles of trails are waiting.

Parks & trails →
Storms and extremes

Cold waves are 44% of the yearly building losses FEMA expects in Hamlin from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Hamlin and its neighbors

Every town next door is within a degree of Hamlin in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Grand Isle: January low 1°, July high 76°Limestone: January low 2°, July high 76°Cyr plantation: January low 1°, July high 75°Van Buren: January low 1°, July high 76°Caswell: January low 2°, July high 76°Hamlin: January low 2°, July high 76°HamlinCyr plantationVan BurenCaswell
ColderMilder1° to 2°
Van Buren1.1° about the same
Cyr plantation1.3° about the same
Hamlin1.8°
Caswell2.0° about the same

Climates most like Hamlin’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Hamlin, ME2°76°42"97"
Harrietstown, NY5°75°46"104"
Berlin, NH5°77°45"82"
St. Johnsbury, VT5°79°41"87"
Minocqua, WI3°77°33"99"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Hamlin averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.5°).

+1.6°1991–2020 vs. 1901–2000

A bigger shift than in 64% of U.S. towns.

Winter+2.4°now 14°, was 12°
Spring+1.1°now 37°, was 36°
Summer+1.3°now 63°, was 62°
Fall+1.5°now 43°, was 42°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Hamlin compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hamlin’s place among Maine’s.

Summer heat76° July high
Cooler July afternoons than 98% of U.S. towns11th coolest of 171 in Maine
Winter cold2° January low
Colder January nights than all but 79 U.S. towns4th coldest of 171 in Maine
Precipitation42" a year
Drier than 51% of U.S. towns8th driest of 171 in Maine
Snow97" a winter
More snow than 97% of U.S. towns7th snowiest of 169 in Maine
Hot days2 days at 90°+
Fewer 90° days than 96% of U.S. towns25th fewest of 171 in Maine
Freezing nights193 a year
More freezing nights than all but 120 U.S. towns2nd most of 171 in Maine
Growing season125 frost-free days
A shorter frost-free season than all but 158 U.S. towns4th shortest of 171 in Maine
Month by month

Hamlin weather by month

Highs, lows and precipitation from NOAA’s grid at Hamlin’s center; snow, wet days and snow on the ground from Van Buren 2, ME. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January20°2°3.1"24.5"1031−1° – 19°
February23°3°2.6"20.0"9282° – 23°
March34°14°2.7"17.5"113114° – 31°
April47°28°3.1"5.7"111632° – 43°
May62°40°3.6"0.1"14047° – 57°
June71°49°4.0"0.0"13056° – 64°
July76°55°4.4"0.0"14060° – 69°
August75°53°3.9"0.0"13060° – 67°
September66°45°3.7"0.0"11051° – 62°
October52°35°4.3"0.8"13139° – 50°
November39°25°3.4"7.4"12826° – 37°
December26°11°3.6"20.7"122512° – 27°
Year49°30°42.3"96.7"143139
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 2° to 23°. August is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Hamlin’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Hamlin’s center.
  • Snow: Van Buren 2, ME.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Van Buren 2, ME, 7 miles from the town’s center, 220 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Hamlin’s climate

What is the weather like in Hamlin?

A typical July afternoon reaches 76°, a January night drops to 2°, and about 97 inches of snow falls in a normal winter. Colder January nights than all but 79 U.S. towns; cooler July afternoons than 98% of U.S. towns.

How cold does it get in Hamlin in winter?

January nights average 2°. About 193 nights a year reach 32° or below and 59 reach 0° or below. In the coldest January of the last 30 years the month averaged −1°.

How much snow does Hamlin get?

About 97 inches in a normal winter at Van Buren 2, ME, most of it in January, with snow on the ground about 139 days a year.

How hot does it get in Hamlin?

July, with a typical high of 76° and a low of 55°. About 2 days a year reach 90° (Van Buren 2, ME).

When is the first and last frost in Hamlin?

In half of years the last spring frost (32°) comes by May 23 and the first fall frost by September 26, about 125 frost-free days, at Van Buren 2, ME.

What growing zone is Hamlin in?

Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −26°.

What is the best time of year to visit Hamlin?

By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Hamlin getting warmer?

Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 64% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Hamlin.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.