New Philadelphia, OH climate
New Philadelphia has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 20°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in New Philadelphia feels like
Winter
Spring
Summer
Fall
New Philadelphia 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 | 36° | 20° | 2.9" | 19° – 39° |
| February | 40° | 22° | 2.4" | 17° – 40° |
| March | 49° | 29° | 3.3" | 33° – 51° |
| April | 63° | 39° | 3.7" | 45° – 56° |
| May | 73° | 49° | 3.8" | 53° – 68° |
| June | 81° | 58° | 4.5" | 65° – 72° |
| July | 84° | 62° | 4.2" | 68° – 77° |
| August | 83° | 60° | 3.5" | 67° – 77° |
| September | 76° | 53° | 3.4" | 61° – 70° |
| October | 64° | 42° | 3.0" | 49° – 60° |
| November | 52° | 33° | 2.8" | 35° – 48° |
| December | 41° | 26° | 2.9" | 22° – 44° |
| Year | 62° | 41° | 40.3" |
“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 New Philadelphia
New Philadelphia gets 40 inches of rain and melted snow a year. June is the wettest month and February the driest.
About 167 frost-free days a year
In half of years the last 32° night comes by April 30 and the first one by October 15. That leaves about 167 frost-free days for gardens, shorter than 64% of U.S. towns.
Heating and cooling a home in New Philadelphia
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In New Philadelphia, 89% of that work is heating and 11% 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.
New Philadelphia and its neighbors
New Philadelphia borders 4 towns with climate data. January nights across them vary by 0.3°. Fairfield has the coldest January nights (20°) and Goshen the hottest July afternoons (84°). New Philadelphia’s January low is 20° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How New Philadelphia 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 New Philadelphia averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is larger than in 50% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at New Philadelphia’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 17° to 40°. June is the most reliable, staying within 7°.
Common questions about New Philadelphia’s climate
What is the coldest month in New Philadelphia?
January, with a typical high of 36° and a low of 20°.
What is the hottest month in New Philadelphia?
July, with a typical high of 84° and a low of 62°. About 13 days a year reach 90°.
When is the first frost in New Philadelphia?
In half of years the first 32° night comes by October 15, and the last spring frost by April 30.
What is the rainiest month in New Philadelphia?
June, with 4.5 inches of rain and melted snow. The year totals 40 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for New Philadelphia itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at New Philadelphia, OH (1 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.