Photo: Andrew Jameson · CC BY-SA 3.0Ishpeming gets about 197 inches of snow a winter, more than all but 14 U.S. towns
A typical July afternoon reaches 77°, a January night drops to 5°, and about 197 inches of snow falls in a normal winter.
A year in Ishpeming at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ishpeming’s climate
Compared with towns across the U.S., with Ishpeming’s place in Michigan beside it.
What a year in Ishpeming 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 25. Frost and day counts come from NOAA’s station at Ishpeming Wwtp, MI, 1.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Ishpeming’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −22°. 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 197 inches of snow a winter
Snow, measured at Marquette, MI, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 33 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 167 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Ishpeming
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.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Ishpeming Wwtp, MI.
Living with Ishpeming’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 25.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 72 miles of trails are waiting.
Parks & trails →Cold waves are 51% of the yearly building losses FEMA expects in Ishpeming from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ishpeming and its neighbors
Every town next door is within a degree of Ishpeming in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Ishpeming’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 |
|---|---|---|---|---|
| Ishpeming, MI | 5° | 77° | 33" | 197" |
| Lyndon, VT | 5° | 79° | 41" | 142" |
| Edwards, CO | 11° | 79° | 20" | 189" |
| Wilna, NY | 8° | 79° | 42" | 127" |
| Caribou, ME | 2° | 77° | 41" | 118" |
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 Ishpeming averaged 1.8° warmer than the 1900s. The biggest change is in December (+2.9°).
A bigger shift than in 77% 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 Ishpeming compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ishpeming’s place among Michigan’s.
Ishpeming weather by month
Highs, lows and precipitation from NOAA’s grid at Ishpeming’s center; snow, wet days and snow on the ground from Marquette, MI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 21° | 5° | 1.7" | 42.1" | 18 | 31 | 2° – 24° |
| February | 25° | 5° | 1.5" | 36.8" | 14 | 28 | 2° – 28° |
| March | 36° | 14° | 1.9" | 29.4" | 14 | 30 | 15° – 39° |
| April | 48° | 26° | 2.8" | 17.6" | 12 | 16 | 29° – 45° |
| May | 63° | 38° | 3.2" | 1.4" | 13 | 1 | 45° – 55° |
| June | 73° | 48° | 3.4" | 0.0" | 13 | 0 | 57° – 66° |
| July | 77° | 53° | 3.6" | 0.0" | 12 | 0 | 58° – 69° |
| August | 75° | 51° | 2.9" | 0.0" | 11 | 0 | 59° – 67° |
| September | 67° | 45° | 3.7" | 0.1" | 13 | 0 | 50° – 61° |
| October | 53° | 34° | 3.6" | 5.3" | 16 | 3 | 37° – 49° |
| November | 38° | 23° | 2.4" | 24.2" | 15 | 16 | 21° – 39° |
| December | 26° | 12° | 2.0" | 39.9" | 17 | 29 | 10° – 28° |
| Year | 50° | 29° | 32.8" | 196.8" | 167 | 153 |
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 28°. August is the most reliable, staying within 9°.
Where Ishpeming’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 Ishpeming’s center.
- Snow: Marquette, MI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ishpeming Wwtp, MI, 1.6 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 Ishpeming’s climate
What is the weather like in Ishpeming?
A typical July afternoon reaches 77°, a January night drops to 5°, and about 197 inches of snow falls in a normal winter. Colder January nights than 98% of U.S. towns; cooler July afternoons than 97% of U.S. towns.
How cold does it get in Ishpeming in winter?
February nights average 5°. About 191 nights a year reach 32° or below and 33 reach 0° or below. In the coldest February of the last 30 years the month averaged 2°.
How much snow does Ishpeming get?
About 197 inches in a normal winter at Marquette, MI, most of it in January and December, with snow on the ground about 153 days a year.
How hot does it get in Ishpeming?
July, with a typical high of 77° and a low of 53°. About 4 days a year reach 90° (Ishpeming Wwtp, MI).
When is the first and last frost in Ishpeming?
In half of years the last spring frost (32°) comes by May 26 and the first fall frost by September 25, about 119 frost-free days, at Ishpeming Wwtp, MI.
What growing zone is Ishpeming in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −22°.
What is the best time of year to visit Ishpeming?
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 Ishpeming getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 77% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ishpeming.
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.