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Climate in Baldwin · NOAA 1991–2020 normals

Midwinter lows in Baldwin sink below those of 94% of U.S. towns

In July the day’s top temperature is typically 80°. Winter and summer sit 70° apart. Summers stay cool: July afternoons here are cooler than in 94% of U.S. towns. Warm coats and heating bills mark the months from October to April, when means dip under 50°.

Colder January nights than 94% of U.S. towns#61 coldest of 171 in ME
More snow than 92% of U.S. towns#107Snowiest  of 169 in ME
All ME rankings →

A year in Baldwin at a glance

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

Jan29°10° 18" snow
Feb33°11° 19" snow
Mar41°20° 11" snow
Apr54°31° 3" snow
May66°42° Last frost ~May 12
Jun74°51° 1 day 90°+
Jul80°57° 2 days 90°+
Aug78°55° 1 day 90°+
Sep70°47°
Oct58°37° First frost ~Oct 1Wettest
Nov now45°28°
Dec34°17° 16" snow

What stands out about Baldwin’s climate

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

A normal year

What a year in Baldwin feels like

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

Winter
32° / 13°
19 days with 1"+ of snow
Spring
54° / 31°
Last frost around May 12
Summer
77° / 54°
4 days reach 90°
Fall
58° / 37°
First frost around Oct 1
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 140 frost-free days a year

In half of years the last 32° night comes by May 12 and the first by October 1. Frost and day counts come from NOAA’s station at East Hiram, ME, 2.7 miles from the town’s center, at about the same height.

185
nights at or below 32° in a normal year
6th most of 171 in Maine
More freezing nights than 98% of U.S. towns
28
nights at or below 0°
18th most of 171 in Maine
More nights at or below 0° than 97% of U.S. towns
4
days that reach 90°
69th fewest of 171 in Maine
Fewer 90° days than 91% of U.S. towns
0
days that reach 100°
None in a normal year
5aUSDA zone
Plant hardiness zone 5a

The 2023 USDA map puts Baldwin’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −17°. 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

1.5
JFMAMJJASOND
Rain & snow

About 70 inches of snow a winter

Snow, measured at North Sebago, ME, is heaviest from January through February, about 18 inches a month. Precipitation (rain plus melted snow) adds up to 50 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 137 days a year.

50"
Rain + melted snow a year
9th wettest of 171 in Maine
Wetter than 83% of U.S. towns
70"
Snow in a normal winter
107th snowiest of 169 in Maine
More snow than 92% of U.S. towns

Rain + melted snow by month

Inches of water

5.5"
JFMAMJJASOND

Snowfall by month

Inches of snow

19"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Baldwin

97% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.

8,086 heating degree daysMore heating than 97% of U.S. towns
265 cooling degree daysLess cooling than 96% 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 East Hiram, ME.

Living here

Living with Baldwin’s climate

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

The garden window

140 frost-free days in zone 5a. The last frost comes by May 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 1.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 27 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Baldwin from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 16%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Baldwin and its neighbors

Limington the hottest July afternoons (81°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Waterboro: January low 11°, July high 81°Limerick: January low 10°, July high 81°Hollis: January low 11°, July high 81°Lake Arrowhead: January low 11°, July high 81°Naples: January low 9°, July high 80°Denmark: January low 9°, July high 80°Casco: January low 10°, July high 80°Raymond: January low 10°, July high 80°Parsonsfield: January low 10°, July high 80°Kezar Falls: January low 10°, July high 81°Porter: January low 10°, July high 80°Brownfield: January low 9°, July high 80°Windham: January low 11°, July high 80°North Windham: January low 11°, July high 80°Gorham: January low 12°, July high 81°Buxton: January low 12°, July high 81°Limington: January low 10°, July high 81°Sebago: January low 9°, July high 80°Hiram: January low 9°, July high 80°Cornish: January low 10°, July high 80°Steep Falls: January low 10°, July high 81°Standish: January low 11°, July high 81°Baldwin: January low 10°, July high 80°BaldwinLimingtonSebagoHiramCornishSteep FallsStandish
ColderMilder9° to 12°
Sebago9.4° about the same
Hiram9.4° about the same
Baldwin9.6°
Cornish10.0° about the same
Steep Falls10.3° about the same
Limington10.4° about the same
Standish10.6° +1.0°

Climates most like Baldwin’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
Baldwin, ME10°80°50"70"
Walton, NY13°80°47"71"
Dalton, MA13°80°48"77"
Winchester, CT15°81°52"59"
Bradford, PA15°80°44"75"

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 Baldwin averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.5°).

+1.7°1991–2020 vs. 1901–2000

A bigger shift than in 70% of U.S. towns.

Winter+2.6°now 22°, was 20°
Spring+1.2°now 43°, was 41°
Summer+1.4°now 66°, was 64°
Fall+1.4°now 47°, was 46°

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 Baldwin compares

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

Summer heat80° July high
Cooler July afternoons than 94% of U.S. towns96th coolest of 171 in Maine
Winter cold10° January low
Colder January nights than 94% of U.S. towns61st coldest of 171 in Maine
Precipitation50" a year
Wetter than 83% of U.S. towns9th wettest of 171 in Maine
Snow70" a winter
More snow than 92% of U.S. towns107th snowiest of 169 in Maine
Hot days4 days at 90°+
Fewer 90° days than 91% of U.S. towns69th fewest of 171 in Maine
Freezing nights185 a year
More freezing nights than 98% of U.S. towns6th most of 171 in Maine
Growing season140 frost-free days
A shorter frost-free season than 96% of U.S. towns30th shortest of 171 in Maine
Month by month

Baldwin weather by month

Highs, lows and precipitation from NOAA’s grid at Baldwin’s center; snow, wet days and snow on the ground from North Sebago, ME. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January29°10°3.4"18.1"109° – 27°
February33°11°3.2"18.6"89° – 29°
March41°20°4.1"11.4"1022° – 39°
April54°31°4.4"3.3"1139° – 48°
May66°42°3.9"0.0"1449° – 59°
June74°51°4.6"0.0"1560° – 66°
July80°57°4.1"0.0"1264° – 71°
August78°55°3.9"0.0"1264° – 70°
September70°47°3.9"0.0"1054° – 63°
October58°37°5.5"0.3"1243° – 55°
November45°28°4.5"2.5"1131° – 41°
December34°17°4.5"15.5"1219° – 34°
Year55°34°49.8"69.7"137
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 9° to 29°. August is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Baldwin’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 Baldwin’s center.
  • Snow: North Sebago, ME.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: East Hiram, ME, 2.7 miles from the town’s center, at about the same height; 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 Baldwin’s climate

What is the weather like in Baldwin?

A typical July afternoon reaches 80°, a January night drops to 10°, and about 70 inches of snow falls in a normal winter. Colder January nights than 94% of U.S. towns; cooler July afternoons than 94% of U.S. towns.

How cold does it get in Baldwin in winter?

January nights average 10°. About 185 nights a year reach 32° or below and 28 reach 0° or below. In the coldest January of the last 30 years the month averaged 9°.

How much snow does Baldwin get?

About 70 inches in a normal winter at North Sebago, ME, heaviest from January through February, about 18 inches a month.

How hot does it get in Baldwin?

July, with a typical high of 80° and a low of 57°. About 4 days a year reach 90° (East Hiram, ME).

When is the first and last frost in Baldwin?

In half of years the last spring frost (32°) comes by May 12 and the first fall frost by October 1, about 140 frost-free days, at East Hiram, ME.

What growing zone is Baldwin in?

Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −17°.

What is the best time of year to visit Baldwin?

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

Is Baldwin getting warmer?

Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 70% of U.S. towns.

Neighbors talk weather

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

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.