Lewisville has chilly winters and pleasant summers
A typical July afternoon reaches 83°, a January night drops to 21°.
A year in Lewisville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lewisville’s climate
Read from where Lewisville sits among Ohio’s towns. The page puts what stands out first.
Rain and snow in Lewisville
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Snowfall by month
No snow records from a nearby station.
Warmer than it used to be
The last 30 years in Lewisville averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.6°).
A smaller shift than in 62% of U.S. towns.
Change by month
What a year in Lewisville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 177 frost-free days a year
In half of years the last 32° night comes by April 27 and the first by October 22.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Lewisville’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
177 frost-free days. The last frost comes by Apr 27 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 22.
Months averaging under 55° run from October through April. Heating is 88% of the year’s heating-and-cooling load.
About 9 days a year reach 90°, and July afternoons average 83°.
The nicest months are May, June, July, August, September and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →How Lewisville compares
Against every U.S. town on TownTapestry, each counted once, with its place in Ohio.
Lewisville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 37° | 21° | 3.5" | 21° – 38° |
| February | 41° | 23° | 2.8" | 20° – 40° |
| March | 51° | 30° | 3.6" | 34° – 52° |
| April | 64° | 40° | 4.0" | 46° – 57° |
| May | 73° | 49° | 4.3" | 54° – 68° |
| June | 80° | 58° | 4.7" | 65° – 72° |
| July | 83° | 61° | 4.6" | 68° – 76° |
| August | 82° | 60° | 3.8" | 67° – 76° |
| September | 76° | 53° | 3.6" | 62° – 69° |
| October | 65° | 42° | 3.1" | 50° – 59° |
| November | 52° | 33° | 3.1" | 36° – 48° |
| December | 42° | 26° | 3.6" | 23° – 44° |
| Year | 62° | 41° | 44.6" |
Heating and cooling a home in Lewisville
88% 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. December swings the most: from 1991 to 2020 its average ranged from 23° to 44°. June is the most reliable, staying within 7°.
Common questions about Lewisville’s climate
What is the coldest month in Lewisville?
January, with a typical high of 37° and a low of 21°.
What is the hottest month in Lewisville?
July, with a typical high of 83° and a low of 61°. About 9 days a year reach 90°.
When is the first frost in Lewisville?
In half of years the first 32° night comes by October 22, and the last spring frost by April 27.
What is the rainiest month in Lewisville?
June, with 4.7 inches of rain and melted snow. The year totals 45 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lewisville.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lewisville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Barnesville, OH (16 mi, frost, heat and degree days). 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.