Harvey has cold, snowy winters and cool summers
A typical July afternoon reaches 75°, a January night drops to 12°, and about 102 inches of snow falls in a normal winter.
A year in Harvey at a glance
Each month’s typical high and low, and what it brings.
What stands out about Harvey’s climate
Read from where Harvey sits among Michigan’s towns. The page puts what stands out first.
What a year in Harvey feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
102 inches of snow, 32 of rain and melt
October is the wettest month and February the driest. Rain or snow falls on about 152 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Harvey and its neighbors
Sands has the coldest January nights next door (8°) and Sands the hottest July afternoons (78°). Tap a town to see its climate.
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.
About 164 frost-free days a year
In half of years the last 32° night comes by May 8 and the first by October 21.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Harvey’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
164 frost-free days. The last frost comes by May 8 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 21.
About 102" a winter over 32 days with an inch or more, most in January. Snow covers the ground about 125 days a year.
Months averaging under 55° run from October through May. Heating is 97% of the year’s heating-and-cooling load.
About 3 days a year reach 90°, and July afternoons average 75°.
The nicest months are June, July, August and September. 6.8 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 Harvey averaged 1.6° warmer than the 1900s. The biggest change is in December (+2.7°).
A bigger shift than in 74% of U.S. towns.
Change by month
How Harvey compares
Against every U.S. town on TownTapestry, each counted once, with its place in Michigan.
Harvey weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 25° | 12° | 2.0" | 25.1" | 18 | 30 | 7° – 28° |
| February | 28° | 12° | 1.6" | 20.9" | 12 | 28 | 6° – 32° |
| March | 36° | 19° | 1.7" | 14.2" | 11 | 25 | 17° – 41° |
| April | 47° | 29° | 2.7" | 8.4" | 10 | 9 | 30° – 45° |
| May | 60° | 40° | 3.0" | 0.3" | 12 | 0 | 44° – 55° |
| June | 70° | 50° | 3.3" | 0 | 12 | 0 | 56° – 65° |
| July | 75° | 56° | 3.4" | 0 | 11 | 0 | 59° – 71° |
| August | 75° | 56° | 2.7" | 0 | 11 | 0 | 61° – 69° |
| September | 67° | 50° | 3.6" | 0 | 13 | 0 | 53° – 63° |
| October | 54° | 39° | 3.6" | 0.9" | 15 | 1 | 41° – 52° |
| November | 41° | 29° | 2.6" | 11.1" | 13 | 9 | 26° – 43° |
| December | 30° | 19° | 2.1" | 21.1" | 14 | 23 | 15° – 33° |
| Year | 51° | 34° | 32.1" | 102.0" | 152 | 125 |
Heating and cooling a home in Harvey
97% 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 6° to 32°. August is the most reliable, staying within 8°.
Common questions about Harvey’s climate
What is the coldest month in Harvey?
February, with a typical high of 28° and a low of 12°.
What is the hottest month in Harvey?
July, with a typical high of 75° and a low of 56°. About 3 days a year reach 90°.
How much snow does Harvey get?
About 102 inches in a normal winter, most of it in January.
When is the first frost in Harvey?
In half of years the first 32° night comes by October 21, and the last spring frost by May 8.
What is the rainiest month in Harvey?
October, with 3.6 inches of rain and melted snow. The year totals 32 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Harvey.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Harvey itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Marquette, MI (4 mi) away. 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.