Thomas P. Arnold House · Photo: Gabrielle Micale · CC BY-SA 3.0Wet weather: 53 inches of rain and melted snow a year in Palmetto, more than in 91% of U.S. towns
Expect July afternoons of about 89°. The wettest month is March; the driest is October. Winters are mild: January nights here are milder than in 77% of U.S. towns. Tender plants can go out after about March 26; in half of years the first frost comes by November 6.
A year in Palmetto at a glance
Each month’s typical high and low, and what it brings.
What stands out about Palmetto’s climate
Compared with towns across the U.S., with Palmetto’s place in Georgia beside it.
What a year in Palmetto feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 226 frost-free days a year
In half of years the last 32° night comes by March 26 and the first by November 6. Frost and day counts come from NOAA’s station at Atlanta, GA, 14 miles from the town’s center, 100 ft lower.
The 2023 USDA map puts Palmetto’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 14°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 2 inches of snow a winter
Snow, measured at Atlanta Hartsfield International Airport, falls mostly in January. 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 116 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Palmetto
57% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Atlanta, GA.
Living with Palmetto’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
226 frost-free days in zone 8a. The last frost comes by Mar 26 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 6.
Months with highs of 62–84° and lows of 40° or more: March, April, May, September, October and November. 3.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Palmetto from natural hazards, river flooding is the largest share (64%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Palmetto and its neighbors
Every town next door is within a degree of Palmetto in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Palmetto’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Palmetto, GA | 33° | 89° | 53" | 2.2" |
| Sans Souci, SC | 32° | 89° | 53" | 1.9" |
| Washington, NC | 35° | 89° | 53" | 1.2" |
| Ripley, TN | 31° | 90° | 53" | 2.4" |
| Smithfield, VA | 32° | 89° | 49" | 2.7" |
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.
Warmer than it used to be
The last 30 years in Palmetto averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.4°).
A smaller shift than in 68% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Palmetto compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Palmetto’s place among Georgia’s.
Palmetto weather by month
Highs, lows and precipitation from NOAA’s grid at Palmetto’s center; snow, wet days and snow on the ground from Atlanta Hartsfield International Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 53° | 33° | 4.9" | 1.0" | 11 | 1 | 36° – 50° |
| February | 58° | 36° | 4.9" | 0.4" | 10 | 0 | 39° – 57° |
| March | 66° | 42° | 5.1" | 0.4" | 11 | 0 | 48° – 63° |
| April | 74° | 49° | 4.3" | 0.0" | 9 | 0 | 57° – 66° |
| May | 80° | 58° | 3.9" | 0.0" | 9 | 0 | 64° – 74° |
| June | 86° | 65° | 4.4" | 0.0" | 11 | 0 | 71° – 80° |
| July | 89° | 69° | 5.1" | 0.0" | 12 | 0 | 75° – 82° |
| August | 88° | 68° | 4.2" | 0.0" | 10 | 0 | 74° – 83° |
| September | 83° | 62° | 3.8" | 0.0" | 7 | 0 | 69° – 79° |
| October | 73° | 51° | 3.4" | 0.0" | 7 | 0 | 59° – 67° |
| November | 64° | 41° | 4.2" | 0.0" | 8 | 0 | 47° – 57° |
| December | 56° | 36° | 4.9" | 0.4" | 11 | 0 | 36° – 56° |
| Year | 72° | 51° | 52.8" | 2.2" | 116 | 1 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 36° to 56°. July is the most reliable, staying within 6°.
Where Palmetto’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 Palmetto’s center.
- Snow: Atlanta Hartsfield International Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Atlanta, GA, 14 miles from the town’s center, 100 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 Palmetto’s climate
What is the weather like in Palmetto?
A typical July afternoon reaches 89°, a January night drops to 33°, and about 2 inches of snow falls in a normal winter. Milder January nights than 77% of U.S. towns; hotter July afternoons than 72% of U.S. towns.
How cold does it get in Palmetto in winter?
January nights average 33°. About 65 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How much snow does Palmetto get?
About 2.2 inches in a normal winter at Atlanta Hartsfield International Airport, most of it in January, with snow on the ground about 1 days a year.
How hot does it get in Palmetto?
July, with a typical high of 89° and a low of 69°. About 51 days a year reach 90° (Atlanta, GA).
When is the first and last frost in Palmetto?
In half of years the last spring frost (32°) comes by March 26 and the first fall frost by November 6, about 226 frost-free days, at Atlanta, GA.
What growing zone is Palmetto in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 14°.
What is the best time of year to visit Palmetto?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, September, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Palmetto getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Palmetto.
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.