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Fairmount, Tennessee 02Photo: Dclemens1971 · CC BY 4.0
Climate in Fairmount · NOAA 1991–2020 normals

Fairmount’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 84°, a January night drops to 28°, and about 4 inches of snow falls in a normal winter.

Less snow than 71% of U.S. towns#109Least snow  of 185 in TN
Milder January nights than 70% of U.S. towns#122Mildest winters  of 185 in TN
All TN rankings →

A year in Fairmount at a glance

Each month’s typical high and low, and what it brings.

Jan46°28°
Feb50°31°
Mar58°39°
Apr68°47° Last frost ~Apr 7
May75°56°
Jun81°62° 2 days 90°+
Jul84°66° 6 days 90°+
Aug84°65° 6 days 90°+
Sep79°59° 2 days 90°+
Oct69°49° First frost ~Oct 29
Nov now57°39°
Dec49°31° Wettest

What stands out about Fairmount’s climate

Compared with towns across the U.S., with Fairmount’s place in Tennessee beside it.

A normal year

What a year in Fairmount feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
48° / 30°
2 days with 1"+ of snow
Spring
67° / 47°
Last frost around Apr 7
Summer
83° / 64°
17 days reach 90°
Fall
68° / 49°
First frost around Oct 29
Best months to be outsideAprMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 203 frost-free days a year

In half of years the last 32° night comes by April 7 and the first by October 29. Frost and day counts come from NOAA’s station at Soddy Daisy-mowbray Mtn, TN, 8 miles from the town’s center, 270 ft lower.

82
nights at or below 32° in a normal year
87th fewest of 185 in Tennessee
Fewer freezing nights than 68% of U.S. towns
<1
nights at or below 0°
105th fewest of 185 in Tennessee
Fewer nights at or below 0° than 64% of U.S. towns
17
days that reach 90°
11th fewest of 185 in Tennessee
Fewer 90° days than 56% of U.S. towns
<1
days that reach 100°
40th fewest of 185 in Tennessee
Fewer 100° days than 56% of U.S. towns
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Fairmount’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 7°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

21
JFMAMJJASOND

90° days by month

Average days at 90° or more

6.3
JFMAMJJASOND
Rain & snow

About 4 inches of snow a winter

Snow, measured at Soddy Daisy-mowbray Mtn, TN, falls mostly in February. Precipitation (rain plus melted snow) adds up to 64 inches a year; December is the wettest month and August the driest. Rain or snow falls on about 95 days a year.

64"
Rain + melted snow a year
2nd wettest of 185 in Tennessee
Wetter than all but 151 U.S. towns
4.3"
Snow in a normal winter
109th least snowy of 185 in Tennessee
Less snow than 71% of U.S. towns

Rain + melted snow by month

Inches of water

6.6"
JFMAMJJASOND

Snowfall by month

Inches of snow

2"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Fairmount

75% of the work is heating. Months averaging under 55° run from November through March.

3,793 heating degree daysLess heating than 72% of U.S. towns
1,275 cooling degree daysMore cooling than 67% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Soddy Daisy-mowbray Mtn, TN.

Living here

Living with Fairmount’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

203 frost-free days in zone 7b. The last frost comes by Apr 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 29.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, July, August, September and October.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Fairmount from natural hazards, river flooding is the largest share (53%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Fairmount and its neighbors

Walden the hottest July afternoons (86°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Chattanooga: January low 31°, July high 90°Falling Water: January low 31°, July high 89°Signal Mountain: January low 29°, July high 85°Walden: January low 30°, July high 86°Lone Oak: January low 28°, July high 84°Fairmount: January low 28°, July high 84°FairmountSignal MountainWaldenLone Oak
ColderMilder28° to 31°
Lone Oak28.1° about the same
Fairmount28.3°
Signal Mountain28.8° about the same
Walden29.9° +1.6°

Climates most like Fairmount’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Fairmount, TN28°84°64"4.3"
Hendersonville, NC29°84°63"6.7"
Travelers Rest, SC32°88°60"1.9"
London, KY25°86°53"5.7"
Big Stone Gap, VA26°84°52"9.2"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Fairmount averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.0°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 81% of U.S. towns.

Winter+1.5°now 39°, was 38°
Spring+0.9°now 57°, was 56°
Summer+0.6°now 74°, was 73°
Fall+0.8°now 59°, was 58°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Fairmount compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fairmount’s place among Tennessee’s.

Summer heat84° July high
Cooler July afternoons than 60% of U.S. towns5th coolest of 185 in Tennessee
Winter cold28° January low
Milder January nights than 70% of U.S. towns122nd mildest of 185 in Tennessee
Precipitation64" a year
Wetter than all but 151 U.S. towns2nd wettest of 185 in Tennessee
Snow4.3" a winter
Less snow than 71% of U.S. towns109th least snowy of 185 in Tennessee
Hot days17 days at 90°+
Fewer 90° days than 56% of U.S. towns11th fewest of 185 in Tennessee
Freezing nights82 a year
Fewer freezing nights than 68% of U.S. towns87th fewest of 185 in Tennessee
Growing season203 frost-free days
A longer frost-free season than 69% of U.S. towns116th longest of 185 in Tennessee
Month by month

Fairmount weather by month

Highs, lows and precipitation from NOAA’s grid at Fairmount’s center; snow, wet days and snow on the ground from Soddy Daisy-mowbray Mtn, TN. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January46°28°5.8"1.4"829° – 45°
February50°31°5.9"1.8"931° – 49°
March58°39°6.0"0.3"942° – 58°
April68°47°5.8"0.0"952° – 62°
May75°56°4.7"0.0"860° – 70°
June81°62°5.2"0.0"867° – 76°
July84°66°5.0"0.0"971° – 79°
August84°65°4.2"0.0"869° – 80°
September79°59°4.8"0.0"666° – 75°
October69°49°4.5"0.0"656° – 64°
November57°39°5.2"0.0"742° – 53°
December49°31°6.6"0.8"831° – 51°
Year67°48°63.6"4.3"95
Year to year

How much a month can swing

A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 31° to 51°. July is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Fairmount’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Fairmount’s center.
  • Snow: Soddy Daisy-mowbray Mtn, TN.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Soddy Daisy-mowbray Mtn, TN, 8 miles from the town’s center, 270 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Fairmount’s climate

What is the weather like in Fairmount?

A typical July afternoon reaches 84°, a January night drops to 28°, and about 4 inches of snow falls in a normal winter. Milder January nights than 70% of U.S. towns; cooler July afternoons than 60% of U.S. towns.

How cold does it get in Fairmount in winter?

January nights average 28°. About 82 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.

How much snow does Fairmount get?

About 4.3 inches in a normal winter at Soddy Daisy-mowbray Mtn, TN, most of it in February.

How hot does it get in Fairmount?

July, with a typical high of 84° and a low of 66°. About 17 days a year reach 90° (Soddy Daisy-mowbray Mtn, TN).

When is the first and last frost in Fairmount?

In half of years the last spring frost (32°) comes by April 7 and the first fall frost by October 29, about 203 frost-free days, at Soddy Daisy-mowbray Mtn, TN.

What growing zone is Fairmount in?

Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 7°.

What is the best time of year to visit Fairmount?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Fairmount getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 81% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Fairmount.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.