Greenleaf Township’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 81°, a January night drops to 15°, and about 43 inches of snow falls in a normal winter.
A year in Greenleaf Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Greenleaf Township’s climate
Compared with towns across the U.S., with Greenleaf Township’s place in Michigan beside it.
What a year in Greenleaf Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 152 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 10. Frost and day counts come from NOAA’s station at Cass City 1 Ssw, MI, 8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Greenleaf Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. 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 43 inches of snow a winter
Snow, measured at Cass City 1 Ssw, MI, falls mostly in January. Precipitation (rain plus melted snow) adds up to 33 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 138 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Greenleaf Township
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Cass City 1 Ssw, MI.
Living with Greenleaf Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
152 frost-free days in zone 6a. The last frost comes by May 7 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 10.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 6.4 miles of trails are waiting.
Parks & trails →Cold waves are 51% of the yearly building losses FEMA expects in Greenleaf Township from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Greenleaf Township and its neighbors
Every town next door is within a degree of Greenleaf Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Greenleaf Township’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 |
|---|---|---|---|---|
| Greenleaf Township, MI | 15° | 81° | 33" | 43" |
| Grafton, WI | 14° | 80° | 33" | 42" |
| Corning, NY | 15° | 81° | 36" | 47" |
| Winthrop Harbor, IL | 17° | 81° | 36" | 36" |
| Asbury, IA | 11° | 83° | 38" | 43" |
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 Greenleaf Township averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.0°).
A bigger shift than in 65% 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 Greenleaf Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Greenleaf Township’s place among Michigan’s.
Greenleaf Township weather by month
Highs, lows and precipitation from NOAA’s grid at Greenleaf Township’s center; snow, wet days and snow on the ground from Cass City 1 Ssw, MI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 29° | 15° | 2.1" | 14.4" | 14 | 11° – 31° |
| February | 31° | 16° | 1.7" | 9.3" | 10 | 8° – 32° |
| March | 41° | 24° | 1.9" | 5.0" | 10 | 23° – 46° |
| April | 55° | 34° | 3.2" | 1.6" | 12 | 37° – 50° |
| May | 67° | 44° | 3.4" | 0.0" | 12 | 48° – 62° |
| June | 77° | 54° | 3.3" | 0.0" | 10 | 61° – 70° |
| July | 81° | 59° | 3.3" | 0.0" | 9 | 64° – 74° |
| August | 79° | 58° | 3.2" | 0.0" | 11 | 63° – 72° |
| September | 72° | 50° | 3.1" | 0.0" | 10 | 56° – 66° |
| October | 59° | 41° | 3.0" | 0.1" | 12 | 46° – 57° |
| November | 46° | 31° | 2.5" | 3.1" | 13 | 31° – 44° |
| December | 34° | 22° | 2.1" | 9.0" | 13 | 17° – 38° |
| Year | 56° | 37° | 32.7" | 42.5" | 138 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 8° to 32°. August is the most reliable, staying within 9°.
Where Greenleaf Township’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 Greenleaf Township’s center.
- Snow: Cass City 1 Ssw, MI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cass City 1 Ssw, MI, 8 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 Greenleaf Township’s climate
What is the weather like in Greenleaf Township?
A typical July afternoon reaches 81°, a January night drops to 15°, and about 43 inches of snow falls in a normal winter. Colder January nights than 84% of U.S. towns; cooler July afternoons than 89% of U.S. towns.
How cold does it get in Greenleaf Township in winter?
January nights average 15°. About 158 nights a year reach 32° or below and 13 reach 0° or below. In the coldest January of the last 30 years the month averaged 11°.
How much snow does Greenleaf Township get?
About 43 inches in a normal winter at Cass City 1 Ssw, MI, most of it in January.
How hot does it get in Greenleaf Township?
July, with a typical high of 81° and a low of 59°. About 7 days a year reach 90° (Cass City 1 Ssw, MI).
When is the first and last frost in Greenleaf Township?
In half of years the last spring frost (32°) comes by May 7 and the first fall frost by October 10, about 152 frost-free days, at Cass City 1 Ssw, MI.
What growing zone is Greenleaf Township in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Greenleaf Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Greenleaf Township getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Greenleaf Township.
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.