Calumet has cold winters and cool summers
A typical July afternoon reaches 76°, a January night drops to 8°.
A year in Calumet at a glance
Each month’s typical high and low, and what it brings.
What stands out about Calumet’s climate
Read from where Calumet sits among Michigan’s towns. The page puts what stands out first.
What a year in Calumet feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Rain and snow in Calumet
September is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Snowfall by month
No snow records from a nearby station.
About 138 frost-free days a year
In half of years the last 32° night comes by May 17 and the first by October 1.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Calumet’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
138 frost-free days. The last frost comes by May 17 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.
Months averaging under 55° run from October through May. Heating is 98% of the year’s heating-and-cooling load.
About 2 days a year reach 90°, and July afternoons average 76°.
The nicest months are June, July, August and September. 0.3 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Calumet averaged 1.7° warmer than the 1900s. The biggest change is in February (+3.0°).
A bigger shift than in 84% of U.S. towns.
Change by month
How Calumet compares
Against every U.S. town on TownTapestry, each counted once, with its place in Michigan.
Calumet weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 22° | 8° | 2.1" | 3° – 24° |
| February | 25° | 8° | 1.4" | 4° – 29° |
| March | 36° | 15° | 1.4" | 16° – 39° |
| April | 47° | 27° | 2.3" | 31° – 45° |
| May | 62° | 39° | 3.0" | 45° – 55° |
| June | 71° | 49° | 3.1" | 57° – 65° |
| July | 76° | 54° | 3.3" | 58° – 70° |
| August | 74° | 53° | 3.0" | 58° – 68° |
| September | 67° | 46° | 3.4" | 50° – 62° |
| October | 52° | 35° | 3.4" | 39° – 49° |
| November | 38° | 24° | 2.2" | 23° – 39° |
| December | 27° | 15° | 1.8" | 12° – 30° |
| Year | 50° | 31° | 30.4" |
Heating and cooling a home in Calumet
98% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 4° to 29°. June is the most reliable, staying within 8°.
Common questions about Calumet’s climate
What is the coldest month in Calumet?
February, with a typical high of 25° and a low of 8°.
What is the hottest month in Calumet?
July, with a typical high of 76° and a low of 54°. About 2 days a year reach 90°.
When is the first frost in Calumet?
In half of years the first 32° night comes by October 1, and the last spring frost by May 17.
What is the rainiest month in Calumet?
September, with 3.4 inches of rain and melted snow. The year totals 30 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Calumet.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Calumet itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Hancock Houghton Co Airport, MI (6 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.