Summersville, KY climate
Summersville has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 26°, and about 15 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Summersville feels like
Winter
Spring
Summer
Fall
Summersville 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 | 44° | 26° | 3.8" | 5.0" | 12 | 5 | 27° – 44° |
| February | 49° | 28° | 4.2" | 5.0" | 11 | 3 | 27° – 46° |
| March | 58° | 36° | 4.8" | 1.6" | 13 | 1 | 40° – 59° |
| April | 69° | 44° | 4.7" | 0 | 13 | 0 | 50° – 61° |
| May | 77° | 54° | 5.0" | 0 | 13 | 0 | 60° – 71° |
| June | 85° | 62° | 4.8" | 0 | 11 | 0 | 69° – 78° |
| July | 88° | 66° | 4.8" | 0 | 11 | 0 | 72° – 81° |
| August | 87° | 64° | 3.4" | 0 | 9 | 0 | 71° – 81° |
| September | 81° | 57° | 4.1" | 0 | 9 | 0 | 65° – 75° |
| October | 70° | 45° | 3.7" | 0 | 8 | 0 | 54° – 63° |
| November | 58° | 35° | 3.5" | 0.1" | 10 | 0 | 40° – 52° |
| December | 48° | 29° | 4.6" | 2.8" | 13 | 3 | 27° – 49° |
| Year | 68° | 46° | 51.2" | 14.5" | 133 | 12 |
“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 Summersville
Summersville gets 51 inches of rain and melted snow a year. May is the wettest month and August the driest. Rain or snow falls on about 133 days a year. Snow covers the ground about 12 days of the year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 15 and the first one by October 24. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in Summersville
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Summersville, 76% of that work is heating and 24% is cooling.
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.
How Summersville 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 Summersville averaged 0.8° warmer than the 1900s. The biggest change is in February (+2.0°). The shift is smaller than in 82% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Summersville’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 27° to 49°. July is the most reliable, staying within 9°.
Common questions about Summersville’s climate
What is the coldest month in Summersville?
January, with a typical high of 44° and a low of 26°.
What is the hottest month in Summersville?
July, with a typical high of 88° and a low of 66°. About 41 days a year reach 90°.
How much snow does Summersville get?
About 15 inches in a normal winter, most of it in January.
When is the first frost in Summersville?
In half of years the first 32° night comes by October 24, and the last spring frost by April 15.
What is the rainiest month in Summersville?
May, with 5.0 inches of rain and melted snow. The year totals 51 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Summersville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bradfordsville, KY (24 mi, snow) and Greensburg, KY (5 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.