Cumberland Gap, TN climate
Cumberland Gap has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 85°, a January night drops to 26°, and about 8 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Cumberland Gap feels like
Winter
Spring
Summer
Fall
Cumberland Gap 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° | 4.5" | 2.6" | 14 | 3 | 26° – 42° |
| February | 49° | 29° | 4.8" | 3.0" | 14 | 2 | 27° – 45° |
| March | 58° | 35° | 5.1" | 0.6" | 15 | 1 | 39° – 56° |
| April | 68° | 42° | 4.7" | 0.1" | 13 | 0 | 50° – 60° |
| May | 76° | 51° | 4.2" | 0 | 13 | 0 | 58° – 69° |
| June | 82° | 60° | 4.6" | 0 | 13 | 0 | 67° – 75° |
| July | 85° | 64° | 4.8" | 0 | 14 | 0 | 70° – 78° |
| August | 84° | 63° | 3.7" | 0 | 11 | 0 | 70° – 78° |
| September | 79° | 56° | 3.6" | 0 | 10 | 0 | 64° – 73° |
| October | 69° | 44° | 3.2" | 0.1" | 10 | 0 | 53° – 61° |
| November | 57° | 34° | 3.7" | 0.1" | 11 | 0 | 39° – 51° |
| December | 48° | 29° | 5.5" | 1.4" | 15 | 2 | 28° – 48° |
| Year | 67° | 44° | 52.2" | 7.9" | 151 | 8 |
“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 Cumberland Gap
Cumberland Gap gets 52 inches of rain and melted snow a year. December is the wettest month and October the driest. Rain or snow falls on about 151 days a year. Snow covers the ground about 8 days of the year.
About 177 frost-free days a year
In half of years the last 32° night comes by April 23 and the first one by October 19. That leaves about 177 frost-free days for gardens, shorter than 51% of U.S. towns.
Heating and cooling a home in Cumberland Gap
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Cumberland Gap, 84% of that work is heating and 16% 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.
How Cumberland Gap 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 Cumberland Gap averaged 0.4° warmer than the 1900s. The biggest change is in December (+1.1°). The shift is smaller than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Cumberland Gap’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 28° to 48°. July is the most reliable, staying within 7°.
Common questions about Cumberland Gap’s climate
What is the coldest month in Cumberland Gap?
January, with a typical high of 44° and a low of 26°.
What is the hottest month in Cumberland Gap?
July, with a typical high of 85° and a low of 64°. About 19 days a year reach 90°.
How much snow does Cumberland Gap get?
About 8 inches in a normal winter, most of it in February.
When is the first frost in Cumberland Gap?
In half of years the first 32° night comes by October 19, and the last spring frost by April 23.
What is the rainiest month in Cumberland Gap?
December, with 5.5 inches of rain and melted snow. The year totals 52 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Cumberland Gap itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Tazewell, TN (11 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.