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Big Shanty Village Historic DistrictBig Shanty Village Historic District · Photo: Nilesrob · CC BY-SA 4.0
Climate in Kennesaw · NOAA 1991–2020 normals

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

A typical July afternoon reaches 89°, a January night drops to 32°, and about 4 inches of snow falls in a normal winter.

Milder January nights than 75% of U.S. towns#206Mildest winters  of 258 in GA
Less snow than 72% of U.S. towns#245Least snow  of 250 in GA
All GA rankings →

A year in Kennesaw at a glance

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

Jan52°32°
Feb56°35°
Mar65°41° Wettest
Apr73°48° Last frost ~Apr 2
May80°57° 2 days 90°+
Jun86°65° 11 days 90°+
Jul89°69° 18 days 90°+
Aug88°68° 16 days 90°+
Sep83°62° 7 days 90°+
Oct73°50°
Nov now63°40° First frost ~Nov 4
Dec54°35°

What stands out about Kennesaw’s climate

Compared with towns across the U.S., with Kennesaw’s place in Georgia beside it.

A normal year

What a year in Kennesaw feels like

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

Winter
54° / 34°
1 days with 1"+ of snow
Spring
72° / 49°
Last frost around Apr 2
Summer
88° / 67°
55 days reach 90°
Fall
73° / 51°
First frost around Nov 4
Best months to be outsideMarAprMaySepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 218 frost-free days a year

In half of years the last 32° night comes by April 2 and the first by November 4. Frost and day counts come from NOAA’s station at Dallas 7 Ne, GA, 8 miles from the town’s center, at about the same height.

73
nights at or below 32° in a normal year
245th fewest of 258 in Georgia
Fewer freezing nights than 72% of U.S. towns
<1
nights at or below 0°
243rd fewest of 258 in Georgia
Fewer nights at or below 0° than 69% of U.S. towns
55
days that reach 90°
131st most of 258 in Georgia
More 90° days than 77% of U.S. towns
<1
days that reach 100°
125th most of 258 in Georgia
More 100° days than 70% of U.S. towns
8aUSDA zone
Plant hardiness zone 8a

The 2023 USDA map puts Kennesaw’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 13°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

19
JFMAMJJASOND

90° days by month

Average days at 90° or more

18
JFMAMJJASOND
Rain & snow

About 4 inches of snow a winter

Snow, measured at Dallas 7 Ne, GA, falls mostly in March. Precipitation (rain plus melted snow) adds up to 53 inches a year; March is the wettest month and October the driest. Rain or snow falls on about 122 days a year.

53"
Rain + melted snow a year
49th wettest of 258 in Georgia
Wetter than 91% of U.S. towns
3.8"
Snow in a normal winter
245th least snowy of 250 in Georgia
Less snow than 72% of U.S. towns
2 days
With 1"+ of snow on the ground
240th fewest of 247 in Georgia
Fewer days with snow on the ground than 70% of U.S. towns

Rain + melted snow by month

Inches of water

5.1"
JFMAMJJASOND

Snowfall by month

Inches of snow

1"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Kennesaw

64% of the work is heating. Months averaging under 55° run from November through March.

3,097 heating degree daysLess heating than 77% of U.S. towns
1,724 cooling degree daysMore cooling than 79% 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 Dallas 7 Ne, GA.

Living here

Living with Kennesaw’s climate

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

The garden window

218 frost-free days in zone 8a. The last frost comes by Apr 2 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 4.

Get outside

Months with highs of 62–84° and lows of 40° or more: March, April, May, September and October. 4.4 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Kennesaw from natural hazards, river flooding is the largest share (55%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Kennesaw and similar climates

TownRatings has no climate map of the towns around Kennesaw yet.

Climates most like Kennesaw’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
Kennesaw, GA32°89°53"3.8"
Lyman, SC32°89°52"3.9"
Winterville, NC33°90°53"3.3"
Ripley, TN31°90°53"2.4"
Smithfield, VA32°89°49"2.7"

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Kennesaw averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.4°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 80% of U.S. towns.

Winter+1.9°now 44°, was 42°
Spring+1.0°now 61°, was 60°
Summer+0.3°now 77°, was 77°
Fall+0.7°now 62°, was 61°

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 Kennesaw compares

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

Summer heat89° July high
Hotter July afternoons than 72% of U.S. towns209th hottest of 258 in Georgia
Winter cold32° January low
Milder January nights than 75% of U.S. towns206th mildest of 258 in Georgia
Precipitation53" a year
Wetter than 91% of U.S. towns49th wettest of 258 in Georgia
Snow3.8" a winter
Less snow than 72% of U.S. towns245th least snowy of 250 in Georgia
Hot days55 days at 90°+
More 90° days than 77% of U.S. towns131st most of 258 in Georgia
Freezing nights73 a year
Fewer freezing nights than 72% of U.S. towns245th fewest of 258 in Georgia
Growing season218 frost-free days
A longer frost-free season than 78% of U.S. towns229th longest of 258 in Georgia
Month by month

Kennesaw weather by month

Highs, lows and precipitation from NOAA’s grid at Kennesaw’s center; snow, wet days and snow on the ground from Dallas 7 Ne, GA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January52°32°4.9"0.8"11034° – 49°
February56°35°4.9"0.7"11037° – 55°
March65°41°5.1"1.2"12046° – 62°
April73°48°4.2"0.1"9055° – 66°
May80°57°4.0"0.0"10063° – 74°
June86°65°4.3"0.0"11071° – 79°
July89°69°4.9"0.0"12076° – 82°
August88°68°4.1"0.0"10074° – 83°
September83°62°4.0"0.0"8069° – 78°
October73°50°3.5"0.0"8058° – 66°
November63°40°4.2"0.0"9046° – 57°
December54°35°4.8"1.0"11035° – 54°
Year72°50°52.9"3.8"1222
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 35° to 54°. July is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Kennesaw’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 Kennesaw’s center.
  • Snow: Dallas 7 Ne, GA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Dallas 7 Ne, GA, 8 miles from the town’s center, at about the same height; 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 Kennesaw’s climate

What is the weather like in Kennesaw?

A typical July afternoon reaches 89°, a January night drops to 32°, and about 4 inches of snow falls in a normal winter. Milder January nights than 75% of U.S. towns; hotter July afternoons than 72% of U.S. towns.

How cold does it get in Kennesaw in winter?

January nights average 32°. About 73 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 34°.

How much snow does Kennesaw get?

About 3.8 inches in a normal winter at Dallas 7 Ne, GA, most of it in March, with snow on the ground about 2 days a year.

How hot does it get in Kennesaw?

July, with a typical high of 89° and a low of 69°. About 55 days a year reach 90° (Dallas 7 Ne, GA).

When is the first and last frost in Kennesaw?

In half of years the last spring frost (32°) comes by April 2 and the first fall frost by November 4, about 218 frost-free days, at Dallas 7 Ne, GA.

What growing zone is Kennesaw in?

Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 13°.

What is the best time of year to visit Kennesaw?

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

Is Kennesaw getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 80% of U.S. towns.

Neighbors talk weather

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

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.