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Climate in Milton · NOAA 1991–2020 normals

Precipitation in Milton tops that of 93% of U.S. towns: 54 inches a year

July afternoons average 88°. By January nights alone, it runs milder than 75% of U.S. towns. Since 1901–2000, the year has warmed by 0.8°, most of all in December. Long walks are most pleasant from March to May and September to October, when afternoons reach 64–82°.

Less snow than 77% of U.S. towns#201Least snow  of 250 in GA
Milder January nights than 75% of U.S. towns#230Mildest winters  of 258 in GA
All GA rankings →

A year in Milton at a glance

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

Jan52°32°
Feb56°34°
Mar64°41° Wettest
Apr72°47° Last frost ~Apr 4
May79°56° 1 day 90°+
Jun85°64° 5 days 90°+
Jul88°68° 12 days 90°+
Aug87°67° 11 days 90°+
Sep82°61° 4 days 90°+
Oct73°50°
Nov now62°39° First frost ~Nov 4
Dec54°34°

What stands out about Milton’s climate

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

A normal year

What a year in Milton feels like

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

Winter
54° / 33°
Snow is rare
Spring
72° / 48°
Last frost around Apr 4
Summer
87° / 67°
32 days reach 90°
Fall
72° / 50°
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 214 frost-free days a year

In half of years the last 32° night comes by April 4 and the first by November 4. Frost and day counts come from NOAA’s station at Cumming 2n, GA, 12 miles from the town’s center, at about the same height.

67
nights at or below 32° in a normal year
226th fewest of 258 in Georgia
Fewer freezing nights than 74% of U.S. towns
0
nights at or below 0°
None in a normal year
32
days that reach 90°
239th most of 258 in Georgia
More 90° days than 65% of U.S. towns
<1
days that reach 100°
25th fewest of 258 in Georgia
Fewer 100° days than 56% of U.S. towns
8aUSDA zone
Plant hardiness zone 8a

The 2023 USDA map puts Milton’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

12
JFMAMJJASOND
Rain & snow

About 1 inches of snow a winter

Snow, measured at Canton, GA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 54 inches a year; March is the wettest month and October the driest. Rain or snow falls on about 96 days a year.

54"
Rain + melted snow a year
24th wettest of 258 in Georgia
Wetter than 93% of U.S. towns
1.3"
Snow in a normal winter
201st least snowy of 250 in Georgia
Less snow than 77% of U.S. towns
1 days
With 1"+ of snow on the ground
207th fewest of 247 in Georgia
Fewer days with snow on the ground than 73% 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 Milton

69% of the work is heating. Months averaging under 55° run from November through March.

3,241 heating degree daysLess heating than 76% of U.S. towns
1,480 cooling degree daysMore cooling than 73% 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 Cumming 2n, GA.

Living here

Living with Milton’s climate

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

The garden window

214 frost-free days in zone 8a. The last frost comes by Apr 4 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. 21 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Milton from natural hazards, river flooding is the largest share (78%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Milton and its neighbors

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

Johns Creek: January low 32°, July high 89°Sandy Springs: January low 33°, July high 89°Mountain Park: January low 32°, July high 88°Alpharetta: January low 32°, July high 88°Roswell: January low 32°, July high 89°Milton: January low 32°, July high 88°MiltonAlpharettaRoswell
ColderMilder32° to 33°
Milton31.6°
Alpharetta32.0° about the same
Roswell32.2° about the same

Climates most like Milton’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
Milton, GA32°88°54"1.3"
Brentwood, TN29°89°53"1.7"
Hartselle, AL31°90°55"1.1"
Half Moon, NC33°89°57"0.6"
Fort Campbell North, KY28°89°53"0.5"

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 Milton averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.3°).

+0.8°1991–2020 vs. 1901–2000

A smaller shift than in 88% of U.S. towns.

Winter+1.7°now 44°, was 42°
Spring+0.9°now 60°, was 59°
Summer+0.0°now 77°, was 77°
Fall+0.7°now 61°, was 60°

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 Milton compares

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

Summer heat88° July high
Hotter July afternoons than 68% of U.S. towns240th hottest of 258 in Georgia
Winter cold32° January low
Milder January nights than 75% of U.S. towns230th mildest of 258 in Georgia
Precipitation54" a year
Wetter than 93% of U.S. towns24th wettest of 258 in Georgia
Snow1.3" a winter
Less snow than 77% of U.S. towns201st least snowy of 250 in Georgia
Hot days32 days at 90°+
More 90° days than 65% of U.S. towns239th most of 258 in Georgia
Freezing nights67 a year
Fewer freezing nights than 74% of U.S. towns226th fewest of 258 in Georgia
Growing season214 frost-free days
A longer frost-free season than 76% of U.S. towns241st longest of 258 in Georgia
Month by month

Milton weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January52°32°4.9"0.8"9033° – 48°
February56°34°4.9"0.1"8036° – 53°
March64°41°5.1"0.3"9045° – 61°
April72°47°4.3"0.0"7055° – 65°
May79°56°4.0"0.0"8062° – 72°
June85°64°4.6"0.0"9070° – 79°
July88°68°4.7"0.0"9075° – 82°
August87°67°4.6"0.0"7074° – 83°
September82°61°4.1"0.0"7069° – 77°
October73°50°3.7"0.0"6058° – 65°
November62°39°4.4"0.0"7045° – 57°
December54°34°4.9"0.1"9035° – 54°
Year71°49°54.3"1.3"961
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 Milton’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 Milton’s center.
  • Snow: Canton, GA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Cumming 2n, GA, 12 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 Milton’s climate

What is the weather like in Milton?

A typical July afternoon reaches 88°, a January night drops to 32°, and about 1 inches of snow falls in a normal winter. Milder January nights than 75% of U.S. towns; hotter July afternoons than 68% of U.S. towns.

How cold does it get in Milton in winter?

January nights average 32°. About 67 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 33°.

How much snow does Milton get?

About 1.3 inches in a normal winter at Canton, GA, most of it in January, with snow on the ground about 1 days a year.

How hot does it get in Milton?

July, with a typical high of 88° and a low of 68°. About 32 days a year reach 90° (Cumming 2n, GA).

When is the first and last frost in Milton?

In half of years the last spring frost (32°) comes by April 4 and the first fall frost by November 4, about 214 frost-free days, at Cumming 2n, GA.

What growing zone is Milton 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 Milton?

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 Milton getting warmer?

Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 88% of U.S. towns.

Neighbors talk weather

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

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.