Newtown, OH climate
Newtown has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 24°, and about 16 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Newtown feels like
Winter
Spring
Summer
Fall
Newtown 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 | 40° | 24° | 3.1" | 6.0" | 12 | 10 | 23° – 42° |
| February | 44° | 26° | 3.0" | 4.3" | 10 | 9 | 22° – 44° |
| March | 54° | 34° | 3.9" | 2.4" | 12 | 2 | 37° – 56° |
| April | 66° | 43° | 4.4" | 0.2" | 12 | 0 | 49° – 60° |
| May | 76° | 53° | 4.8" | 0 | 12 | 0 | 58° – 72° |
| June | 84° | 61° | 4.7" | 0 | 11 | 0 | 68° – 76° |
| July | 87° | 65° | 4.4" | 0 | 10 | 0 | 71° – 81° |
| August | 86° | 64° | 3.4" | 0 | 8 | 0 | 70° – 81° |
| September | 80° | 56° | 3.1" | 0 | 8 | 0 | 65° – 74° |
| October | 68° | 45° | 3.1" | 0.3" | 8 | 0 | 53° – 62° |
| November | 55° | 35° | 3.0" | 0.2" | 9 | 0 | 39° – 50° |
| December | 44° | 28° | 3.5" | 2.6" | 12 | 6 | 25° – 46° |
| Year | 65° | 44° | 44.3" | 16.0" | 124 | 27 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Newtown
Newtown gets 44 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 124 days a year. Snow covers the ground about 27 days of the year.
About 190 frost-free days a year
In half of years the last 32° night comes by April 16 and the first one by October 25. That leaves about 190 frost-free days for gardens, longer than 64% of U.S. towns.
Heating and cooling a home in Newtown
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Newtown, 81% of that work is heating and 19% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Newtown and its neighbors
Newtown borders 2 towns with climate data. January nights across them vary by 0.6°. Dry Run has the coldest January nights (23°) and Turpin Hills the hottest July afternoons (87°). Newtown’s January low is 24° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Newtown compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Newtown averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°). The shift is smaller than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Newtown’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 22° to 44°. June is the most reliable, staying within 7°.
Common questions about Newtown’s climate
What is the coldest month in Newtown?
January, with a typical high of 40° and a low of 24°.
What is the hottest month in Newtown?
July, with a typical high of 87° and a low of 65°. About 27 days a year reach 90°.
How much snow does Newtown get?
About 16 inches in a normal winter, most of it in January.
When is the first frost in Newtown?
In half of years the first 32° night comes by October 25, and the last spring frost by April 16.
What is the rainiest month in Newtown?
May, with 4.8 inches of rain and melted snow. The year totals 44 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Newtown itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cheviot, OH (15 mi, snow) and Cincinnati Lunken Airport, OH (4 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.