Caratunk gets about 109 inches of snow a winter, more than 98% of U.S. towns
A typical July afternoon reaches 73°, a January night drops to 4°, and about 109 inches of snow falls in a normal winter.
A year in Caratunk at a glance
Each month’s typical high and low, and what it brings.
What stands out about Caratunk’s climate
Compared with towns across the U.S., with Caratunk’s place in Maine beside it.
What a year in Caratunk feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 138 frost-free days a year
In half of years the last 32° night comes by May 13 and the first by September 30. Frost and day counts come from NOAA’s station at Long Falls Dam, ME, 14 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Caratunk’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −18°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 109 inches of snow a winter
Snow, measured at Long Falls Dam, ME, falls mostly in January, February, March and December. 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 150 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Caratunk
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Long Falls Dam, ME.
Living with Caratunk’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
138 frost-free days in zone 5a. The last frost comes by May 13 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 30.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 75 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Caratunk from natural hazards, river flooding is the largest share (53%); heat waves, cold waves, winter storms and ice storms together are 30%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Caratunk and its neighbors
The Forks plantation the hottest July afternoons (75°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Caratunk’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Caratunk, ME | 4° | 73° | 50" | 109" |
| North Elba, NY | 4° | 72° | 52" | 104" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
| Waterbury, VT | 7° | 79° | 43" | 126" |
| Minocqua, WI | 3° | 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.
Warmer than it used to be
The last 30 years in Caratunk averaged 1.6° warmer than the 1900s. The biggest change is in December (+4.1°).
A bigger shift than in 66% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Caratunk compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Caratunk’s place among Maine’s.
Caratunk weather by month
Highs, lows and precipitation from NOAA’s grid at Caratunk’s center; snow, wet days and snow on the ground from Long Falls Dam, ME. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 22° | 4° | 3.4" | 22.7" | 12 | 31 | 2° – 21° |
| February | 25° | 6° | 2.9" | 22.9" | 10 | 29 | 4° – 21° |
| March | 33° | 14° | 3.5" | 22.2" | 11 | 31 | 14° – 32° |
| April | 45° | 26° | 3.9" | 7.6" | 12 | 22 | 32° – 41° |
| May | 59° | 37° | 3.9" | 0.0" | 14 | 1 | 42° – 54° |
| June | 68° | 47° | 4.9" | 0.0" | 14 | 0 | 55° – 62° |
| July | 73° | 54° | 4.6" | 0.0" | 13 | 0 | 58° – 66° |
| August | 72° | 53° | 4.4" | 0.0" | 12 | 0 | 59° – 65° |
| September | 65° | 45° | 4.0" | 0.0" | 11 | 0 | 50° – 61° |
| October | 51° | 35° | 5.3" | 2.6" | 13 | 1 | 38° – 50° |
| November | 38° | 24° | 4.3" | 7.2" | 13 | 7 | 26° – 36° |
| December | 27° | 13° | 4.4" | 23.9" | 14 | 27 | 14° – 30° |
| Year | 48° | 30° | 49.5" | 109.1" | 150 | 148 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 2° to 21°. August is the most reliable, staying within 7°.
Where Caratunk’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 Caratunk’s center.
- Snow: Long Falls Dam, ME.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Long Falls Dam, ME, 14 miles from the town’s center, 170 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 Caratunk’s climate
What is the weather like in Caratunk?
A typical July afternoon reaches 73°, a January night drops to 4°, and about 109 inches of snow falls in a normal winter. Colder January nights than all but 167 U.S. towns; cooler July afternoons than all but 132 U.S. towns.
How cold does it get in Caratunk in winter?
January nights average 4°. About 191 nights a year reach 32° or below and 36 reach 0° or below. In the coldest January of the last 30 years the month averaged 2°.
How much snow does Caratunk get?
About 109 inches in a normal winter at Long Falls Dam, ME, most of it in January, February, March and December, with snow on the ground about 148 days a year.
How hot does it get in Caratunk?
July, with a typical high of 73° and a low of 54°. About 1 days a year reach 90° (Long Falls Dam, ME).
When is the first and last frost in Caratunk?
In half of years the last spring frost (32°) comes by May 13 and the first fall frost by September 30, about 138 frost-free days, at Long Falls Dam, ME.
What growing zone is Caratunk in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −18°.
What is the best time of year to visit Caratunk?
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 Caratunk getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Caratunk.
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.