Fall Branch, TN climate
Fall Branch has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 28°, and about 5 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Fall Branch feels like
Winter
Spring
Summer
Fall
Fall Branch 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 | 46° | 28° | 3.7" | 1.7" | 12 | 2 | 29° – 45° |
| February | 50° | 31° | 3.9" | 1.6" | 12 | 1 | 30° – 49° |
| March | 59° | 37° | 4.3" | 0.7" | 13 | 1 | 41° – 58° |
| April | 69° | 45° | 4.1" | 0 | 12 | 0 | 52° – 61° |
| May | 76° | 53° | 4.0" | 0 | 12 | 0 | 59° – 69° |
| June | 83° | 61° | 4.1" | 0 | 12 | 0 | 68° – 75° |
| July | 85° | 64° | 4.8" | 0 | 13 | 0 | 71° – 78° |
| August | 85° | 64° | 3.7" | 0 | 10 | 0 | 70° – 79° |
| September | 80° | 57° | 3.1" | 0 | 9 | 0 | 65° – 74° |
| October | 70° | 46° | 2.7" | 0 | 8 | 0 | 54° – 63° |
| November | 58° | 36° | 3.3" | 0.1" | 10 | 0 | 41° – 52° |
| December | 49° | 31° | 4.1" | 1.0" | 12 | 1 | 29° – 51° |
| Year | 67° | 46° | 45.8" | 5.1" | 133 | 4 |
“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 Fall Branch
Fall Branch gets 46 inches of rain and melted snow a year. July is the wettest month and October the driest. Rain or snow falls on about 133 days a year.
About 203 frost-free days a year
In half of years the last 32° night comes by April 9 and the first one by October 29. That leaves about 203 frost-free days for gardens, longer than 74% of U.S. towns.
Heating and cooling a home in Fall Branch
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fall Branch, 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 Fall Branch 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 Fall Branch averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.7°). The shift is smaller than in 84% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Fall Branch’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 29° to 51°. June is the most reliable, staying within 7°.
Common questions about Fall Branch’s climate
What is the coldest month in Fall Branch?
January, with a typical high of 46° and a low of 28°.
What is the hottest month in Fall Branch?
July, with a typical high of 85° and a low of 64°. About 28 days a year reach 90°.
How much snow does Fall Branch get?
About 5 inches in a normal winter, most of it in January.
When is the first frost in Fall Branch?
In half of years the first 32° night comes by October 29, and the last spring frost by April 9.
What is the rainiest month in Fall Branch?
July, with 4.8 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Fall Branch itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Kingsport, TN (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.