Mooresville has chilly winters and warm summers
A typical July afternoon reaches 85°, a January night drops to 20°, and about 26 inches of snow falls in a normal winter.
A year in Mooresville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mooresville’s climate
Read from where Mooresville sits among Indiana’s towns. The page puts what stands out first.
Living with Mooresville’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
193 frost-free days. The last frost comes by Apr 15 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 26.
About 26" a winter over 8 days with an inch or more, most in January. Snow covers the ground about 27 days a year.
Months averaging under 55° run from October through April. Heating is 82% of the year’s heating-and-cooling load.
About 20 days a year reach 90°, and July afternoons average 85°.
The nicest months are April, May, June, August, September and October. 1.7 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Mooresville averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller shift than in 81% of U.S. towns.
Change by month
What a year in Mooresville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
26 inches of snow, 44 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 128 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 193 frost-free days a year
In half of years the last 32° night comes by April 15 and the first by October 26.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Mooresville and its neighbors
Brown has the coldest January nights next door (20°) and Madison the hottest July afternoons (85°). Tap a town to see its climate.
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.
How Mooresville compares
Against every U.S. town on TownTapestry, each counted once, with its place in Indiana.
Mooresville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 36° | 20° | 3.0" | 8.8" | 12 | 11 | 20° – 40° |
| February | 41° | 24° | 2.4" | 6.0" | 10 | 7 | 19° – 42° |
| March | 51° | 32° | 3.4" | 3.2" | 12 | 2 | 34° – 55° |
| April | 64° | 42° | 4.4" | 0.2" | 12 | 0 | 46° – 58° |
| May | 73° | 53° | 4.8" | 0 | 13 | 0 | 57° – 71° |
| June | 82° | 61° | 5.0" | 0 | 12 | 0 | 67° – 75° |
| July | 85° | 65° | 4.3" | 0 | 10 | 0 | 69° – 82° |
| August | 84° | 63° | 3.3" | 0 | 8 | 0 | 68° – 78° |
| September | 78° | 55° | 3.2" | 0 | 8 | 0 | 62° – 72° |
| October | 66° | 44° | 3.4" | 0.1" | 9 | 0 | 51° – 60° |
| November | 52° | 34° | 3.4" | 0.8" | 10 | 0 | 35° – 49° |
| December | 40° | 25° | 3.0" | 6.4" | 12 | 6 | 20° – 42° |
| Year | 63° | 43° | 43.7" | 25.5" | 128 | 27 |
Heating and cooling a home in Mooresville
82% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 19° to 42°. June is the most reliable, staying within 8°.
Common questions about Mooresville’s climate
What is the coldest month in Mooresville?
January, with a typical high of 36° and a low of 20°.
What is the hottest month in Mooresville?
July, with a typical high of 85° and a low of 65°. About 20 days a year reach 90°.
How much snow does Mooresville get?
About 26 inches in a normal winter, most of it in January.
When is the first frost in Mooresville?
In half of years the first 32° night comes by October 26, and the last spring frost by April 15.
What is the rainiest month in Mooresville?
June, with 5.0 inches of rain and melted snow. The year totals 44 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Mooresville.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mooresville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Indianapolis, IN (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.