Deal, J.J., and Son Carriage Factory · Photo: Everts & Abbott · Public domainAfternoon heat in Jonesville trails that of 80% of U.S. towns
The depth of winter brings overnight lows near 16°. Winter nights are cold: in January they are colder than in 80% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with December up the most. Homes need heating from November to April, the months averaging under 50°.
A year in Jonesville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jonesville’s climate
Compared with towns across the U.S., with Jonesville’s place in Michigan beside it.
What a year in Jonesville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 161 frost-free days a year
In half of years the last 32° night comes by May 3 and the first by October 12. Frost and day counts come from NOAA’s station at Hillsdale, MI, 2.7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Jonesville’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 44 inches of snow a winter
Snow, measured at Hillsdale, MI, falls mostly in January. Precipitation (rain plus melted snow) adds up to 38 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 148 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Jonesville
92% 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 Hillsdale, MI.
Living with Jonesville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
161 frost-free days in zone 6a. The last frost comes by May 3 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 12.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 1.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Jonesville from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jonesville and similar climates
TownRatings has no climate map of the towns around Jonesville yet.
Climates most like Jonesville’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 |
|---|---|---|---|---|
| Jonesville, MI | 16° | 82° | 38" | 44" |
| Park City, IL | 16° | 82° | 37" | 43" |
| Elmira, NY | 16° | 81° | 38" | 42" |
| Bristol, WI | 15° | 83° | 36" | 43" |
| Scranton, PA | 17° | 83° | 41" | 45" |
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 Jonesville averaged 1.3° warmer than the 1900s. The biggest change is in December (+3.0°).
A smaller shift than in 51% 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 Jonesville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jonesville’s place among Michigan’s.
Jonesville weather by month
Highs, lows and precipitation from NOAA’s grid at Jonesville’s center; snow, wet days and snow on the ground from Hillsdale, MI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 30° | 16° | 2.5" | 13.3" | 15 | 13° – 34° |
| February | 34° | 18° | 2.1" | 11.5" | 12 | 11° – 36° |
| March | 45° | 26° | 2.4" | 5.2" | 11 | 26° – 49° |
| April | 58° | 36° | 3.5" | 1.5" | 14 | 40° – 52° |
| May | 69° | 47° | 4.3" | 0.0" | 14 | 50° – 64° |
| June | 79° | 56° | 3.8" | 0.0" | 12 | 62° – 72° |
| July | 82° | 60° | 3.5" | 0.0" | 10 | 66° – 77° |
| August | 80° | 59° | 3.8" | 0.0" | 11 | 64° – 75° |
| September | 74° | 51° | 3.5" | 0.0" | 10 | 57° – 66° |
| October | 61° | 41° | 3.4" | 0.1" | 13 | 47° – 57° |
| November | 47° | 31° | 2.9" | 3.4" | 13 | 32° – 46° |
| December | 35° | 22° | 2.3" | 9.1" | 14 | 16° – 39° |
| Year | 58° | 38° | 37.9" | 44.1" | 148 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 36°. June is the most reliable, staying within 9°.
Where Jonesville’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 Jonesville’s center.
- Snow: Hillsdale, MI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hillsdale, MI, 2.7 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 Jonesville’s climate
What is the weather like in Jonesville?
A typical July afternoon reaches 82°, a January night drops to 16°, and about 44 inches of snow falls in a normal winter. Colder January nights than 80% of U.S. towns; cooler July afternoons than 80% of U.S. towns.
How cold does it get in Jonesville in winter?
January nights average 16°. About 148 nights a year reach 32° or below and 10 reach 0° or below. In the coldest January of the last 30 years the month averaged 13°.
How much snow does Jonesville get?
About 44 inches in a normal winter at Hillsdale, MI, most of it in January.
How hot does it get in Jonesville?
July, with a typical high of 82° and a low of 60°. About 9 days a year reach 90° (Hillsdale, MI).
When is the first and last frost in Jonesville?
In half of years the last spring frost (32°) comes by May 3 and the first fall frost by October 12, about 161 frost-free days, at Hillsdale, MI.
What growing zone is Jonesville in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Jonesville?
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 Jonesville getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 51% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Jonesville.
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.