Moose River Congregational Church · Photo: Magicpiano · CC BY-SA 4.0Jackman gets about 107 inches of snow a winter, more than 98% of U.S. towns
Sunny July days climb to about 74°. By July afternoons alone, it runs cooler than almost every U.S. town. Since 1901–2000, the year has warmed by 1.7°, most of all in December. Central heating does most of its work from October to May, in months below 50° on average.
A year in Jackman at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jackman’s climate
Compared with towns across the U.S., with Jackman’s place in Maine beside it.
What a year in Jackman feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 119 frost-free days a year
In half of years the last 32° night comes by May 26 and the first by September 23. Frost and day counts come from NOAA’s station at Jackman, ME, 3 miles from the town’s center, 120 ft lower.
The 2023 USDA map puts Jackman’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −23°. 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 107 inches of snow a winter
Snow, measured at Jackman, ME, falls mostly in February and December. Precipitation (rain plus melted snow) adds up to 46 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 151 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Jackman
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 Jackman, ME.
Living with Jackman’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
119 frost-free days in zone 4b. The last frost comes by May 26 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 23.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 53 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Jackman from natural hazards, river flooding is the largest share (50%); heat waves, cold waves, winter storms and ice storms together are 38%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jackman and similar climates
TownRatings has no climate map of the towns around Jackman yet.
Climates most like Jackman’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 |
|---|---|---|---|---|
| Jackman, ME | 3° | 74° | 46" | 107" |
| Harrietstown, NY | 5° | 75° | 46" | 104" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
| Waterbury, VT | 7° | 79° | 43" | 126" |
| Minocqua, WI | 3° | 77° | 33" | 99" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Jackman averaged 1.7° warmer than the 1900s. The biggest change is in December (+4.2°).
A bigger shift than in 73% 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 Jackman compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jackman’s place among Maine’s.
Jackman weather by month
Highs, lows and precipitation from NOAA’s grid at Jackman’s center; snow, wet days and snow on the ground from Jackman, ME. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 21° | 3° | 2.9" | 21.5" | 12 | 31 | 0° – 20° |
| February | 24° | 4° | 2.6" | 25.2" | 10 | 29 | 3° – 21° |
| March | 33° | 13° | 3.0" | 19.4" | 11 | 30 | 13° – 31° |
| April | 46° | 27° | 3.6" | 7.6" | 12 | 15 | 32° – 42° |
| May | 60° | 38° | 3.9" | 0.2" | 14 | 0 | 43° – 55° |
| June | 69° | 48° | 5.0" | 0.0" | 14 | 0 | 54° – 63° |
| July | 74° | 54° | 4.7" | 0.0" | 14 | 0 | 58° – 67° |
| August | 72° | 52° | 4.2" | 0.0" | 13 | 0 | 59° – 65° |
| September | 65° | 44° | 3.7" | 0.0" | 11 | 0 | 49° – 59° |
| October | 51° | 34° | 4.8" | 1.6" | 14 | 1 | 38° – 49° |
| November | 38° | 24° | 3.5" | 7.2" | 13 | 8 | 24° – 37° |
| December | 27° | 12° | 3.8" | 24.2" | 15 | 26 | 13° – 29° |
| Year | 48° | 29° | 45.5" | 106.9" | 151 | 139 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 0° to 20°. August is the most reliable, staying within 6°.
Where Jackman’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 Jackman’s center.
- Snow: Jackman, ME.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Jackman, ME, 3 miles from the town’s center, 120 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 Jackman’s climate
What is the weather like in Jackman?
A typical July afternoon reaches 74°, a January night drops to 3°, and about 107 inches of snow falls in a normal winter. Colder January nights than all but 110 U.S. towns; cooler July afternoons than all but 158 U.S. towns.
How cold does it get in Jackman in winter?
January nights average 3°. About 197 nights a year reach 32° or below and 45 reach 0° or below. In the coldest January of the last 30 years the month averaged 0°.
How much snow does Jackman get?
About 107 inches in a normal winter at Jackman, ME, most of it in February and December, with snow on the ground about 139 days a year.
How hot does it get in Jackman?
July, with a typical high of 74° and a low of 54°. About 1 days a year reach 90° (Jackman, ME).
When is the first and last frost in Jackman?
In half of years the last spring frost (32°) comes by May 26 and the first fall frost by September 23, about 119 frost-free days, at Jackman, ME.
What growing zone is Jackman in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −23°.
What is the best time of year to visit Jackman?
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 Jackman getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 73% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Jackman.
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.