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Climate in Central · NOAA 1991–2020 normals

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

A typical July afternoon reaches 87°, a January night drops to 27°, and about 6 inches of snow falls in a normal winter.

Less snow than 69% of U.S. towns#157Least snow  of 185 in TN
Milder January nights than 68% of U.S. towns#170Mildest winters  of 185 in TN
All TN rankings →

A year in Central at a glance

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

Jan47°27°
Feb52°30°
Mar60°36°
Apr71°43° Last frost ~Apr 19
May78°52°
Jun84°60° 2 days 90°+
Jul87°64° 6 days 90°+Wettest
Aug86°63° 6 days 90°+
Sep81°57° 3 days 90°+
Oct71°45° First frost ~Oct 24
Nov now60°35°
Dec50°30°

What stands out about Central’s climate

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

A normal year

What a year in Central feels like

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

Winter
50° / 29°
2 days with 1"+ of snow
Spring
69° / 44°
Last frost around Apr 19
Summer
86° / 62°
18 days reach 90°
Fall
70° / 45°
First frost around Oct 24
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 187 frost-free days a year

In half of years the last 32° night comes by April 19 and the first by October 24. Frost and day counts come from NOAA’s station at Elizabethton, TN, 3 miles from the town’s center, 110 ft lower.

94
nights at or below 32° in a normal year
150th fewest of 185 in Tennessee
Fewer freezing nights than 63% of U.S. towns
<1
nights at or below 0°
147th fewest of 185 in Tennessee
Fewer nights at or below 0° than 61% of U.S. towns
18
days that reach 90°
17th fewest of 185 in Tennessee
Fewer 90° days than 54% of U.S. towns
0
days that reach 100°
None in a normal year
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Central’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 6°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

22
JFMAMJJASOND

90° days by month

Average days at 90° or more

6.1
JFMAMJJASOND
Rain & snow

About 6 inches of snow a winter

Snow, measured at Elizabethton, TN, is heaviest from January through February, about 2 inches a month. Precipitation (rain plus melted snow) adds up to 47 inches a year; July is the wettest month and October the driest. Rain or snow falls on about 142 days a year.

47"
Rain + melted snow a year
173rd wettest of 185 in Tennessee
Wetter than 68% of U.S. towns
6.0"
Snow in a normal winter
157th least snowy of 185 in Tennessee
Less snow than 69% of U.S. towns
6 days
With 1"+ of snow on the ground
155th fewest of 174 in Tennessee
Fewer days with snow on the ground than 64% of U.S. towns

Rain + melted snow by month

Inches of water

5.2"
JFMAMJJASOND

Snowfall by month

Inches of snow

2"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Central

81% of the work is heating. Months averaging under 55° run from November through March.

4,303 heating degree daysLess heating than 68% of U.S. towns
1,008 cooling degree daysMore cooling than 56% 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 Elizabethton, TN.

Living here

Living with Central’s climate

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

The garden window

187 frost-free days in zone 7b. The last frost comes by Apr 19 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 24.

Get outside

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

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Central from natural hazards, river flooding is the largest share (64%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Central and its neighbors

Every town next door is within a degree of Central in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Pine Crest: January low 27°, July high 87°Hunter: January low 26°, July high 84°Biltmore: January low 26°, July high 86°Valley Forge: January low 26°, July high 86°Gray: January low 27°, July high 87°Oak Grove: January low 27°, July high 87°Spurgeon: January low 27°, July high 87°Watauga: January low 27°, July high 87°Elizabethton: January low 26°, July high 86°Johnson City: January low 27°, July high 87°Central: January low 27°, July high 87°CentralElizabethtonJohnson City
ColderMilder26° to 27°
Elizabethton26.4° about the same
Central27.0°
Johnson City27.2° about the same

Climates most like Central’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
Central, TN27°87°47"6.0"
Bethesda, MD26°87°45"5.8"
Penn Wynne, PA25°87°47"7.6"
South Boston, VA27°88°46"5.5"
Roxboro, NC28°88°46"3.4"

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 Central averaged 1.0° warmer than the 1900s. The biggest change is in December (+1.9°).

+1.0°1991–2020 vs. 1901–2000

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

Winter+1.4°now 39°, was 38°
Spring+1.1°now 57°, was 55°
Summer+0.6°now 74°, was 73°
Fall+0.7°now 58°, was 57°

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 Central compares

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

Summer heat87° July high
Hotter July afternoons than 61% of U.S. towns154th hottest of 185 in Tennessee
Winter cold27° January low
Milder January nights than 68% of U.S. towns170th mildest of 185 in Tennessee
Precipitation47" a year
Wetter than 68% of U.S. towns173rd wettest of 185 in Tennessee
Snow6.0" a winter
Less snow than 69% of U.S. towns157th least snowy of 185 in Tennessee
Hot days18 days at 90°+
Fewer 90° days than 54% of U.S. towns17th fewest of 185 in Tennessee
Freezing nights94 a year
Fewer freezing nights than 63% of U.S. towns150th fewest of 185 in Tennessee
Growing season187 frost-free days
A longer frost-free season than 52% of U.S. towns169th longest of 185 in Tennessee
Month by month

Central weather by month

Highs, lows and precipitation from NOAA’s grid at Central’s center; snow, wet days and snow on the ground from Elizabethton, TN. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January47°27°3.7"1.9"13329° – 44°
February52°30°3.8"2.1"12130° – 50°
March60°36°4.0"0.1"13040° – 58°
April71°43°4.1"0.0"12052° – 61°
May78°52°4.4"0.0"13058° – 69°
June84°60°4.3"0.0"13068° – 76°
July87°64°5.2"0.0"14071° – 79°
August86°63°4.2"0.0"12071° – 79°
September81°57°3.1"0.0"9065° – 75°
October71°45°3.0"0.0"9054° – 63°
November60°35°3.2"0.1"10041° – 52°
December50°30°3.9"1.8"13129° – 51°
Year69°45°46.7"6.0"1426
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 29° to 51°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Central’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 Central’s center.
  • Snow: Elizabethton, TN.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Elizabethton, TN, 3 miles from the town’s center, 110 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 Central’s climate

What is the weather like in Central?

A typical July afternoon reaches 87°, a January night drops to 27°, and about 6 inches of snow falls in a normal winter. Milder January nights than 68% of U.S. towns; hotter July afternoons than 61% of U.S. towns.

How cold does it get in Central in winter?

January nights average 27°. About 94 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.

How much snow does Central get?

About 6.0 inches in a normal winter at Elizabethton, TN, heaviest from January through February, about 2 inches a month, with snow on the ground about 6 days a year.

How hot does it get in Central?

July, with a typical high of 87° and a low of 64°. About 18 days a year reach 90° (Elizabethton, TN).

When is the first and last frost in Central?

In half of years the last spring frost (32°) comes by April 19 and the first fall frost by October 24, about 187 frost-free days, at Elizabethton, TN.

What growing zone is Central in?

Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 6°.

What is the best time of year to visit Central?

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

Is Central 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 Central.

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.