Photo: Nyttend · Public domainWet weather: 49 inches of rain and melted snow a year in Boon Township, more than in 81% of U.S. towns
Deep winter brings January lows near 25°. In July, afternoons here are warmer than in 67% of U.S. towns. December has warmed most since 1901–2000, part of a 0.9° rise. Warm coats and heating bills mark the months from November to March, when means dip under 50°.
A year in Boon Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Boon Township’s climate
Compared with towns across the U.S., with Boon Township’s place in Indiana beside it.
What a year in Boon Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 196 frost-free days a year
In half of years the last 32° night comes by April 12 and the first by October 25. Frost and day counts come from NOAA’s station at Boonville 1s, IN, 0.8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Boon Township’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 11 inches of snow a winter
Snow, measured at Boonville 1s, IN, is heaviest from January through February, about 3 inches a month. Precipitation (rain plus melted snow) adds up to 49 inches a year; May is the wettest month and August the driest. Rain or snow falls on about 112 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Boon Township
74% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Boonville 1s, IN.
Living with Boon Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
196 frost-free days in zone 7a. The last frost comes by Apr 12 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 25.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 15 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Boon Township from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Boon Township and its neighbors
Every town next door is within a degree of Boon Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Boon 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 |
|---|---|---|---|---|
| Boon Township, IN | 25° | 88° | 49" | 11" |
| Aurora, MO | 24° | 89° | 47" | 12" |
| Collegeville, PA | 23° | 88° | 47" | 13" |
| Claymont, DE | 25° | 87° | 47" | 12" |
| Martinsville, VA | 27° | 88° | 47" | 9.4" |
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 Boon Township averaged 0.9° warmer than the 1900s. The biggest change is in December (+1.8°).
A smaller shift than in 82% 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 Boon Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Boon Township’s place among Indiana’s.
Boon Township weather by month
Highs, lows and precipitation from NOAA’s grid at Boon Township’s center; snow, wet days and snow on the ground from Boonville 1s, IN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 41° | 25° | 3.4" | 3.4" | 9 | 4 | 26° – 43° |
| February | 47° | 27° | 3.4" | 3.2" | 9 | 4 | 26° – 46° |
| March | 56° | 36° | 4.6" | 1.6" | 11 | 1 | 39° – 59° |
| April | 68° | 45° | 5.3" | 0.0" | 11 | 0 | 51° – 62° |
| May | 77° | 56° | 5.3" | 0.0" | 12 | 0 | 61° – 73° |
| June | 85° | 64° | 4.4" | 0.0" | 9 | 0 | 70° – 79° |
| July | 88° | 68° | 4.3" | 0.0" | 9 | 0 | 73° – 83° |
| August | 87° | 65° | 3.0" | 0.0" | 7 | 0 | 71° – 82° |
| September | 81° | 58° | 3.6" | 0.0" | 7 | 0 | 65° – 75° |
| October | 70° | 46° | 3.5" | 0.1" | 8 | 0 | 54° – 63° |
| November | 56° | 36° | 4.1" | 0.3" | 9 | 0 | 39° – 52° |
| December | 46° | 29° | 4.1" | 2.7" | 10 | 3 | 24° – 47° |
| Year | 67° | 46° | 49.0" | 11.3" | 112 | 12 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 24° to 47°. October is the most reliable, staying within 9°.
Where Boon 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 Boon Township’s center.
- Snow: Boonville 1s, IN (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Boonville 1s, IN, 0.8 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 Boon Township’s climate
What is the weather like in Boon Township?
A typical July afternoon reaches 88°, a January night drops to 25°, and about 11 inches of snow falls in a normal winter. Milder January nights than 61% of U.S. towns; hotter July afternoons than 67% of U.S. towns.
How cold does it get in Boon Township in winter?
January nights average 25°. About 90 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 26°.
How much snow does Boon Township get?
About 11 inches in a normal winter at Boonville 1s, IN, heaviest from January through February, about 3 inches a month, with snow on the ground about 12 days a year.
How hot does it get in Boon Township?
July, with a typical high of 88° and a low of 68°. About 41 days a year reach 90° (Boonville 1s, IN).
When is the first and last frost in Boon Township?
In half of years the last spring frost (32°) comes by April 12 and the first fall frost by October 25, about 196 frost-free days, at Boonville 1s, IN.
What growing zone is Boon Township in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Boon Township?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Boon Township getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Boon 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.