Photo: Chris Flook · CC BY-SA 4.0More precipitation falls on Armstrong Township than on 77% of U.S. towns: 48 inches a year
Sunny July days climb to about 88°. Summer afternoons here are warmer than in 67% of U.S. towns. The latest 30-year average runs 1.0° warmer than 1901–2000’s, with December up the most. Garden planting can start around April 4; autumn frost returns near October 29.
A year in Armstrong Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Armstrong Township’s climate
Compared with towns across the U.S., with Armstrong Township’s place in Indiana beside it.
What a year in Armstrong Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 206 frost-free days a year
In half of years the last 32° night comes by April 4 and the first by October 29. Frost and day counts come from NOAA’s station at Evansville Regional Airport, 9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Armstrong 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 14 inches of snow a winter
Snow, measured at Mccutchanville 4n, IN, falls mostly in December. Precipitation (rain plus melted snow) adds up to 48 inches a year; May is the wettest month and August the driest. Rain or snow falls on about 121 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Armstrong 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 Evansville Regional Airport.
Living with Armstrong Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
206 frost-free days in zone 7a. The last frost comes by Apr 4 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 29.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Armstrong Township from natural hazards, river flooding is the largest share (38%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Armstrong Township and its neighbors
Every town next door is within a degree of Armstrong Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Armstrong 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 |
|---|---|---|---|---|
| Armstrong Township, IN | 25° | 88° | 48" | 14" |
| Frankfort, KY | 25° | 87° | 49" | 15" |
| Aurora, MO | 24° | 89° | 47" | 12" |
| Collegeville, PA | 23° | 88° | 47" | 13" |
| Aberdeen, MD | 25° | 88° | 46" | 17" |
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 Armstrong Township averaged 1.0° warmer than the 1900s. The biggest change is in December (+1.8°).
A smaller shift than in 81% 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 Armstrong Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Armstrong Township’s place among Indiana’s.
Armstrong Township weather by month
Highs, lows and precipitation from NOAA’s grid at Armstrong Township’s center; snow, wet days and snow on the ground from Mccutchanville 4n, IN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 41° | 25° | 3.4" | 3.6" | 11 | 6 | 26° – 43° |
| February | 46° | 28° | 3.2" | 3.6" | 10 | 3 | 25° – 46° |
| March | 56° | 36° | 4.5" | 1.7" | 12 | 1 | 39° – 59° |
| April | 68° | 46° | 5.2" | 0.0" | 12 | 0 | 50° – 62° |
| May | 77° | 56° | 5.2" | 0.0" | 12 | 0 | 61° – 73° |
| June | 85° | 65° | 4.5" | 0.0" | 11 | 0 | 70° – 79° |
| July | 88° | 68° | 4.4" | 0.0" | 9 | 0 | 73° – 84° |
| August | 87° | 66° | 3.1" | 0.0" | 8 | 0 | 71° – 83° |
| September | 81° | 58° | 3.5" | 0.0" | 7 | 0 | 65° – 76° |
| October | 70° | 47° | 3.4" | 0.3" | 8 | 0 | 54° – 64° |
| November | 56° | 36° | 4.0" | 0.0" | 10 | 0 | 39° – 52° |
| December | 45° | 29° | 3.9" | 4.7" | 12 | 5 | 23° – 46° |
| Year | 67° | 46° | 48.3" | 13.9" | 121 | 14 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 23° to 46°. June is the most reliable, staying within 9°.
Where Armstrong 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 Armstrong Township’s center.
- Snow: Mccutchanville 4n, IN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Evansville Regional Airport, 9 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 Armstrong Township’s climate
What is the weather like in Armstrong Township?
A typical July afternoon reaches 88°, a January night drops to 25°, and about 14 inches of snow falls in a normal winter. Milder January nights than 62% of U.S. towns; hotter July afternoons than 67% of U.S. towns.
How cold does it get in Armstrong 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 Armstrong Township get?
About 14 inches in a normal winter at Mccutchanville 4n, IN, most of it in December, with snow on the ground about 14 days a year.
How hot does it get in Armstrong Township?
July, with a typical high of 88° and a low of 68°. About 41 days a year reach 90° (Evansville Regional Airport).
When is the first and last frost in Armstrong Township?
In half of years the last spring frost (32°) comes by April 4 and the first fall frost by October 29, about 206 frost-free days, at Evansville Regional Airport.
What growing zone is Armstrong 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 Armstrong 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 Armstrong Township getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 81% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Armstrong 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.