Photo: Brian Stansberry · CC BY 4.0More precipitation falls on Royston than on 81% of U.S. towns: 49 inches a year
January mornings start at about 32°. Winters are mild: January nights here are milder than in 75% of U.S. towns. Compared with 1901–2000, the average now sits 0.8° higher. The heating season runs December to February: each of those months averages under 50°.
A year in Royston at a glance
Each month’s typical high and low, and what it brings.
What stands out about Royston’s climate
Compared with towns across the U.S., with Royston’s place in Georgia beside it.
What a year in Royston feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 241 frost-free days a year
In half of years the last 32° night comes by March 20 and the first by November 15. Frost and day counts come from NOAA’s station at Hartwell, GA, 11 miles from the town’s center, at about the same height.
The 2023 USDA map puts Royston’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 16°. 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 49 inches of rain a year
March is the wettest month and October the driest. Rain falls on about 90 days a year. Snow is rare: about 0.9" in a normal year at Carnesville, GA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Royston
64% 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 Hartwell, GA.
Living with Royston’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
241 frost-free days in zone 8b. The last frost comes by Mar 20 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 15.
Months with highs of 62–84° and lows of 40° or more: March, April, May, September and October. 0.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Royston from natural hazards, river flooding is the largest share (44%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Royston and similar climates
TownRatings has no climate map of the towns around Royston yet.
Climates most like Royston’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 |
|---|---|---|---|---|
| Royston, GA | 32° | 89° | 49" | 0.9" |
| Williamston, NC | 32° | 89° | 51" | 0.5" |
| Carrollton, VA | 32° | 89° | 49" | 2.7" |
| Goodlettsville, TN | 29° | 90° | 52" | 1.2" |
| Blytheville, AR | 31° | 90° | 50" | 2.9" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Royston averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.2°).
A smaller shift than in 90% 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 Royston compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Royston’s place among Georgia’s.
Royston weather by month
Highs, lows and precipitation from NOAA’s grid at Royston’s center; snow, wet days and snow on the ground from Carnesville, GA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 53° | 32° | 4.5" | 0.3" | 8 | 0 | 35° – 49° |
| February | 57° | 35° | 4.3" | 0.2" | 8 | 0 | 38° – 55° |
| March | 65° | 41° | 4.7" | 0.2" | 9 | 0 | 46° – 62° |
| April | 73° | 48° | 3.6" | 0.0" | 8 | 0 | 56° – 65° |
| May | 80° | 57° | 3.5" | 0.0" | 7 | 0 | 63° – 73° |
| June | 86° | 65° | 4.4" | 0.0" | 9 | 0 | 71° – 79° |
| July | 89° | 69° | 4.1" | 0.0" | 7 | 0 | 76° – 83° |
| August | 88° | 68° | 4.6" | 0.0" | 8 | 0 | 74° – 83° |
| September | 83° | 62° | 3.8" | 0.0" | 6 | 0 | 69° – 78° |
| October | 73° | 51° | 3.5" | 0.0" | 6 | 0 | 58° – 66° |
| November | 63° | 40° | 3.8" | 0.0" | 6 | 0 | 46° – 57° |
| December | 55° | 35° | 4.5" | 0.2" | 8 | 0 | 36° – 55° |
| Year | 72° | 50° | 49.1" | 0.9" | 90 | 0 |
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 55°. July is the most reliable, staying within 7°.
Where Royston’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 Royston’s center.
- Snow: Carnesville, GA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hartwell, GA, 11 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 Royston’s climate
What is the weather like in Royston?
A typical July afternoon reaches 89°, a January night drops to 32°, and snow is almost unheard of. Milder January nights than 75% of U.S. towns; hotter July afternoons than 74% of U.S. towns.
How cold does it get in Royston 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 35°.
How much snow does Royston get?
About 0.9 inches in a normal winter at Carnesville, GA, so most winters see none.
How hot does it get in Royston?
July, with a typical high of 89° and a low of 69°. About 36 days a year reach 90° (Hartwell, GA).
When is the first and last frost in Royston?
In half of years the last spring frost (32°) comes by March 20 and the first fall frost by November 15, about 241 frost-free days, at Hartwell, GA.
What growing zone is Royston in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 16°.
What is the best time of year to visit Royston?
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 Royston getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 90% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Royston.
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.