Photo: John Trainor from Roswell, GA, USA · CC BY 2.0More precipitation falls on Mountain Park than on 92% of U.S. towns: 54 inches a year
January mornings start at about 32°. Precipitation peaks in March and eases off in October. Winters are mild: January nights here are milder than in 75% of U.S. towns. From March to May and September to October, highs of 64–82° make it easy to spend the day outdoors.
A year in Mountain Park at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mountain Park’s climate
Compared with towns across the U.S., with Mountain Park’s place in Georgia beside it.
What a year in Mountain Park feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 228 frost-free days a year
In half of years the last 32° night comes by March 25 and the first by November 9. Frost and day counts come from NOAA’s station at Atlanta Peachtree Airport, 16 miles from the town’s center, at about the same height.
The 2023 USDA map puts Mountain Park’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°
90° days by month
Average days at 90° or more
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.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Mountain Park
63% 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 Peachtree Airport.
Living with Mountain Park’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
228 frost-free days in zone 8a. The last frost comes by Mar 25 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 9.
Months with highs of 62–84° and lows of 40° or more: March, April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Mountain Park 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 →Mountain Park and its neighbors
Every town next door is within a degree of Mountain Park in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Mountain Park’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 |
|---|---|---|---|---|
| Mountain Park, GA | 32° | 88° | 54" | 1.3" |
| Washington, NC | 35° | 89° | 53" | 1.2" |
| Brentwood, TN | 29° | 89° | 53" | 1.7" |
| Decatur, AL | 31° | 90° | 55" | 1.1" |
| Boiling Springs, SC | 31° | 89° | 49" | 1.2" |
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.
Warmer than it used to be
The last 30 years in Mountain Park averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.3°).
A smaller shift than in 80% 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 Mountain Park compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mountain Park’s place among Georgia’s.
Mountain Park weather by month
Highs, lows and precipitation from NOAA’s grid at Mountain Park’s center; snow, wet days and snow on the ground from Canton, GA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 52° | 32° | 4.9" | 0.8" | 9 | 0 | 34° – 48° |
| February | 56° | 35° | 4.8" | 0.1" | 8 | 0 | 36° – 54° |
| March | 64° | 41° | 5.1" | 0.3" | 9 | 0 | 46° – 61° |
| April | 72° | 48° | 4.2" | 0.0" | 7 | 0 | 55° – 65° |
| May | 79° | 57° | 4.1" | 0.0" | 8 | 0 | 62° – 73° |
| June | 85° | 65° | 4.6" | 0.0" | 9 | 0 | 70° – 79° |
| July | 88° | 68° | 4.8" | 0.0" | 9 | 0 | 75° – 82° |
| August | 87° | 68° | 4.5" | 0.0" | 7 | 0 | 73° – 83° |
| September | 82° | 61° | 4.2" | 0.0" | 7 | 0 | 69° – 78° |
| October | 73° | 50° | 3.6" | 0.0" | 6 | 0 | 58° – 65° |
| November | 62° | 40° | 4.3" | 0.0" | 7 | 0 | 45° – 57° |
| December | 54° | 35° | 4.8" | 0.1" | 9 | 0 | 35° – 54° |
| Year | 71° | 50° | 53.8" | 1.3" | 96 | 1 |
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°.
Where Mountain Park’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 Mountain Park’s center.
- Snow: Canton, GA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Atlanta Peachtree Airport, 16 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 Mountain Park’s climate
What is the weather like in Mountain Park?
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 69% of U.S. towns.
How cold does it get in Mountain Park in winter?
January nights average 32°. About 49 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 34°.
How much snow does Mountain Park 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 Mountain Park?
July, with a typical high of 88° and a low of 68°. About 53 days a year reach 90° (Atlanta Peachtree Airport).
When is the first and last frost in Mountain Park?
In half of years the last spring frost (32°) comes by March 25 and the first fall frost by November 9, about 228 frost-free days, at Atlanta Peachtree Airport.
What growing zone is Mountain Park 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 Mountain Park?
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 Mountain Park 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 Mountain Park.
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.