North Royalton, OH climate
North Royalton has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 20°, and about 65 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in North Royalton feels like
Winter
Spring
Summer
Fall
North Royalton 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 | 34° | 20° | 2.6" | 18.4" | 18 | 20 | 18° – 38° |
| February | 37° | 21° | 2.1" | 18.9" | 16 | 17 | 13° – 39° |
| March | 46° | 29° | 2.9" | 9.2" | 14 | 8 | 30° – 50° |
| April | 59° | 39° | 3.6" | 2.9" | 15 | 1 | 43° – 56° |
| May | 70° | 50° | 3.9" | 0.1" | 15 | 0 | 53° – 67° |
| June | 79° | 59° | 4.1" | 0 | 13 | 0 | 64° – 73° |
| July | 82° | 63° | 3.9" | 0 | 12 | 0 | 68° – 76° |
| August | 81° | 61° | 3.6" | 0 | 12 | 0 | 66° – 76° |
| September | 74° | 54° | 3.8" | 0 | 11 | 0 | 61° – 70° |
| October | 62° | 44° | 3.5" | 0 | 15 | 0 | 49° – 60° |
| November | 49° | 35° | 3.2" | 3.5" | 13 | 3 | 36° – 48° |
| December | 39° | 26° | 2.9" | 12.4" | 16 | 11 | 22° – 43° |
| Year | 59° | 42° | 40.1" | 65.4" | 171 | 60 |
“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 North Royalton
North Royalton gets 40 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 171 days a year. Snow covers the ground about 60 days of the year.
About 198 frost-free days a year
In half of years the last 32° night comes by April 20 and the first one by November 3. That leaves about 198 frost-free days for gardens, longer than 71% of U.S. towns.
Heating and cooling a home in North Royalton
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In North Royalton, 85% of that work is heating and 15% 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.
North Royalton and its neighbors
North Royalton borders 4 towns with climate data. January nights across them vary by 1.1°. Broadview Heights has the coldest January nights (20°) and Strongsville the hottest July afternoons (83°). North Royalton’s January low is 20° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How North Royalton 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 North Royalton averaged 1.6° warmer than the 1900s. The biggest change is in December (+2.8°). The shift is larger than in 73% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at North Royalton’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 13° to 39°. July is the most reliable, staying within 8°.
Common questions about North Royalton’s climate
What is the coldest month in North Royalton?
January, with a typical high of 34° and a low of 20°.
What is the hottest month in North Royalton?
July, with a typical high of 82° and a low of 63°. About 12 days a year reach 90°.
How much snow does North Royalton get?
About 65 inches in a normal winter, most of it in February.
When is the first frost in North Royalton?
In half of years the first 32° night comes by November 3, and the last spring frost by April 20.
What is the rainiest month in North Royalton?
June, with 4.1 inches of rain and melted snow. The year totals 40 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for North Royalton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Brunswick 0.5 Ne, OH (6 mi, snow) and Cleveland, OH (9 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.