The Rock, Georgia climate: Normal weather by month, frost dates and records
The Rock's normal year runs from 34°F January nights to 91°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 17.3°C, January lows of 1°C, July highs of 33°C.
- NOAA stationThe Rock Ranch
- Station IDUSC00098657
- Location32.96°N 84.23°W
- Elevation821 ft (250 m)
- Population (census place)30
On October 14, the normal high in The Rock is 76°F and the normal low 53°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for The Rock.
- Jan 56° 34°
- Feb 60° 37°
- Mar 67° 43°
- Apr 75° 50°
- May 82° 59°
- Jun 87° 67°
- Jul 91° 70°
- Aug 89° 70°
- Sep 85° 63°
- Oct 76° 52°
- Nov 66° 42°
- Dec 58° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in The Rock each month?
July is the warmest month, with normal highs of 91°F; January the coldest, with normal lows of 34°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 56°F | 34°F | 45.3°F | – | <1 | 14 | 10 h 10 min |
| February | 60°F | 37°F | 48.4°F | – | <1 | 5 | 11 h |
| March | 67°F | 43°F | 55.0°F | – | <1 | 4 | 12 h |
| April | 75°F | 50°F | 62.4°F | – | <1 | <1 | 13 h |
| May | 82°F | 59°F | 70.4°F | – | 5 | <1 | 13 h 50 min |
| June | 87°F | 67°F | 77.1°F | – | 13 | <1 | 14 h 20 min |
| July | 91°F | 70°F | 80.2°F | – | 22 | <1 | 14 h 10 min |
| August | 89°F | 70°F | 79.5°F | – | 17 | <1 | 13 h 20 min |
| September | 85°F | 63°F | 74.1°F | – | 8 | <1 | 12 h 30 min |
| October | 76°F | 52°F | 64.0°F | – | 1 | <1 | 11 h 30 min |
| November | 66°F | 42°F | 54.0°F | – | <1 | 4 | 10 h 30 min |
| December | 58°F | 37°F | 47.2°F | – | <1 | 9 | 10 h |
| Year (annual) | 74°F | 52°F | 63.1°F | – | 65 | 36 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 13°C | 1°C | 7.4°C |
| February | 15°C | 3°C | 9.1°C |
| March | 19°C | 6°C | 12.8°C |
| April | 24°C | 10°C | 16.9°C |
| May | 28°C | 15°C | 21.3°C |
| June | 31°C | 19°C | 25.1°C |
| July | 33°C | 21°C | 26.8°C |
| August | 32°C | 21°C | 26.4°C |
| September | 29°C | 17°C | 23.4°C |
| October | 24°C | 11°C | 17.8°C |
| November | 19°C | 6°C | 12.2°C |
| December | 14°C | 3°C | 8.4°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Thomaston (7 miles away), gets 0 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00098657; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit The Rock?
Normal highs sit between 65°F and 85°F in March, April, May, September, October and November.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00098657.
When is the last frost in The Rock?
In The Rock, the last spring frost (32°F) comes after March 18 in half of years and after April 6 in one year in ten; the first autumn frost comes before November 14 in half of years and before October 31 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 181 year in 10 after April 6; 9 in 10 after February 27
- First autumn frost, half of years before
- November 141 year in 10 before October 31; 9 in 10 before December 3
NOAA puts the median frost-free season at 239 days, and the season without a hard freeze (28°F) at 269 days.
A hard freeze (28°F) comes after March 4 in half of springs and before November 29 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts The Rock in zone 8b in ZIP code 30285.
Frost dates for every NOAA station in Georgia · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00098657; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in The Rock?
In a normal year in The Rock, 65 days a year reach 90°F (1 of them 100°F or more) and 36 nights fall to 32°F or colder.
- Days at 90°F or more
- 65a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 36a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00098657.
How sunny is The Rock?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around The Rock, 4.6 kWh per square metre a day. May is the sunniest month (82%) and February the cloudiest (71%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 75% | 2.9 |
| February | 71% | 3.4 |
| March | 75% | 4.5 |
| April | 79% | 5.7 |
| May | 82% | 6.3 |
| June | 79% | 6.2 |
| July | 81% | 6.0 |
| August | 80% | 5.5 |
| September | 80% | 4.9 |
| October | 80% | 4.1 |
| November | 80% | 3.2 |
| December | 72% | 2.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does The Rock need?
A normal year in The Rock brings 2,553 heating degree days, 52% fewer than the median U.S. place (5,373), and 1,889 cooling degree days, 2.1 times the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,389 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 612 | 0 |
| February | 464 | 0 |
| March | 321 | 10 |
| April | 126 | 47 |
| May | 24 | 190 |
| June | 0 | 361 |
| July | 0 | 470 |
| August | 0 | 448 |
| September | 8 | 281 |
| October | 104 | 72 |
| November | 342 | 11 |
| December | 552 | 1 |
| Year (annual) | 2,553 | 1,889 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00098657. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does The Rock's climate compare?
The Rock is warmer than 44 of the other 100 places with their own NOAA record in Georgia. Across the 7,247 U.S. stations with normals, its annual mean of 63.1°F is warmer than 83%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near The Rock share this climate record?
9 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Barnesville, GA6,343 people · 8 mi NE
- Forsyth, GA4,895 people · 18 mi E
- Zebulon, GA1,330 people · 11 mi NW
- Milner, GA807 people · 11 mi N
- Yatesville, GA509 people · 6 mi SE
- Molena, GA421 people · 16 mi W
- Meansville, GA285 people · 8 mi NW
- Smarr, GA216 people · 20 mi E
- Aldora, GA189 people · 7 mi NE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about The Rock's climate
What is the coldest month in The Rock?
January, with a normal high of 56°F and a normal low of 34°F. The warmest is July (91°F by day, 70°F at night).
Does it snow in The Rock?
Rarely. NOAA publishes no 1991-2020 snowfall normal for The Rock's NOAA station; the nearest record that keeps one, Thomaston (7 miles away), records 0 inches of snow in a normal year.
What plant hardiness zone is The Rock in?
The USDA's 2023 map puts The Rock in zone 8b in ZIP code 30285.
How late can frost come in The Rock?
In half of years the last 32°F night comes after March 18; in one year in ten it comes after April 6. Waiting until April 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Georgia climateThe statewide normals and every place in the state
- Thomaston, GA7 miles from this station, 63.5°F a year
- Experiment, GA21 miles from this station, 62.8°F a year
- Talbotton, GA25 miles from this station, 61.5°F a year
- Peachtree City, GA34 miles from this station, 63.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made