Photo: Chris Flook · CC BY-SA 4.0Nights turn raw in Brimfield each January, colder than in 75% of U.S. towns
Expect July afternoons of about 83°. Precipitation peaks in May and eases off in February. Its July afternoons stay fresher than in 69% of U.S. towns. Seedlings are safe outdoors from about April 26, with the first autumn frost due around October 21.
A year in Brimfield at a glance
Each month’s typical high and low, and what it brings.
What stands out about Brimfield’s climate
Compared with towns across the U.S., with Brimfield’s place in Indiana beside it.
What a year in Brimfield feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 176 frost-free days a year
In half of years the last 32° night comes by April 26 and the first by October 21. Frost and day counts come from NOAA’s station at Lagrange, IN, 13 miles from the town’s center, at about the same height.
The 2023 USDA map puts Brimfield’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 24 inches of snow a winter
Snow, measured at Ligonier 2 S, IN, 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 114 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Brimfield
90% 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 Lagrange, IN.
Living with Brimfield’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
176 frost-free days in zone 6a. The last frost comes by Apr 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 Oct 21.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Brimfield from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Brimfield and similar climates
TownRatings has no climate map of the towns around Brimfield yet.
Climates most like Brimfield’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 |
|---|---|---|---|---|
| Brimfield, IN | 17° | 83° | 38" | 24" |
| Aurora, IL | 15° | 84° | 38" | 28" |
| Wadsworth, OH | 20° | 83° | 39" | 29" |
| Eldridge, IA | 14° | 84° | 38" | 29" |
| Sayre, PA | 17° | 84° | 37" | 35" |
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 Brimfield averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.7°).
A smaller shift than in 57% 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 Brimfield compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Brimfield’s place among Indiana’s.
Brimfield weather by month
Highs, lows and precipitation from NOAA’s grid at Brimfield’s center; snow, wet days and snow on the ground from Ligonier 2 S, IN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 31° | 17° | 2.4" | 9.5" | 11 | 15° – 36° |
| February | 35° | 19° | 2.0" | 3.6" | 7 | 14° – 38° |
| March | 47° | 27° | 2.3" | 3.3" | 9 | 27° – 52° |
| April | 60° | 38° | 3.7" | 0.7" | 11 | 42° – 54° |
| May | 71° | 49° | 4.4" | 0.0" | 12 | 53° – 66° |
| June | 80° | 58° | 4.1" | 0.0" | 11 | 64° – 73° |
| July | 83° | 62° | 3.8" | 0.0" | 10 | 67° – 79° |
| August | 81° | 60° | 3.9" | 0.0" | 9 | 66° – 76° |
| September | 75° | 52° | 3.0" | 0.0" | 8 | 59° – 68° |
| October | 63° | 42° | 3.0" | 0.2" | 8 | 48° – 59° |
| November | 48° | 31° | 3.0" | 1.3" | 10 | 33° – 47° |
| December | 37° | 23° | 2.4" | 5.3" | 10 | 16° – 40° |
| Year | 59° | 40° | 37.8" | 23.9" | 114 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 27° to 52°. September is the most reliable, staying within 8°.
Where Brimfield’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 Brimfield’s center.
- Snow: Ligonier 2 S, IN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Lagrange, IN, 13 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 Brimfield’s climate
What is the weather like in Brimfield?
A typical July afternoon reaches 83°, a January night drops to 17°, and about 24 inches of snow falls in a normal winter. Colder January nights than 75% of U.S. towns; cooler July afternoons than 69% of U.S. towns.
How cold does it get in Brimfield in winter?
January nights average 17°. About 140 nights a year reach 32° or below and 8 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How much snow does Brimfield get?
About 24 inches in a normal winter at Ligonier 2 S, IN, most of it in January.
How hot does it get in Brimfield?
July, with a typical high of 83° and a low of 62°. About 11 days a year reach 90° (Lagrange, IN).
When is the first and last frost in Brimfield?
In half of years the last spring frost (32°) comes by April 26 and the first fall frost by October 21, about 176 frost-free days, at Lagrange, IN.
What growing zone is Brimfield 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 Brimfield?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Brimfield getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 57% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Brimfield.
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.