Cornelia, GA climate
Cornelia has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 32°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Cornelia feels like
Winter
Spring
Summer
Fall
Cornelia weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 51° | 32° | 5.6" | 0.1" | 10 | 0 | 34° – 47° |
| February | 55° | 35° | 5.1" | 0.2" | 10 | 0 | 37° – 52° |
| March | 62° | 41° | 5.6" | 0 | 11 | 0 | 45° – 61° |
| April | 71° | 48° | 4.6" | 0 | 9 | 0 | 55° – 64° |
| May | 78° | 56° | 4.4" | 0 | 9 | 0 | 62° – 72° |
| June | 84° | 64° | 5.2" | 0 | 11 | 0 | 69° – 77° |
| July | 87° | 67° | 4.8" | 0 | 11 | 0 | 74° – 81° |
| August | 86° | 66° | 5.5" | 0 | 11 | 0 | 72° – 81° |
| September | 81° | 61° | 4.4" | 0 | 8 | 0 | 68° – 76° |
| October | 71° | 50° | 4.7" | 0 | 7 | 0 | 58° – 65° |
| November | 61° | 40° | 4.6" | 0 | 8 | 0 | 46° – 56° |
| December | 54° | 35° | 5.7" | 0.3" | 10 | 0 | 35° – 53° |
| Year | 70° | 50° | 60.0" | 0.6" | 115 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Cornelia
Cornelia gets 60 inches of rain and melted snow a year. December is the wettest month and May the driest. Rain or snow falls on about 115 days a year.
About 222 frost-free days a year
In half of years the last 32° night comes by March 30 and the first one by November 6. That leaves about 222 frost-free days for gardens, longer than 83% of U.S. towns.
Heating and cooling a home in Cornelia
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Cornelia, 75% of that work is heating and 25% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Cornelia compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Cornelia averaged 0.6° warmer than the 1900s. The biggest change is in December (+1.9°). The shift is smaller than in 94% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Cornelia’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 35° to 53°. July is the most reliable, staying within 7°.
Common questions about Cornelia’s climate
What is the coldest month in Cornelia?
January, with a typical high of 51° and a low of 32°.
What is the hottest month in Cornelia?
July, with a typical high of 87° and a low of 67°. About 17 days a year reach 90°.
How much snow does Cornelia get?
Almost none. A normal year brings 0.6 inches.
When is the first frost in Cornelia?
In half of years the first 32° night comes by November 6, and the last spring frost by March 30.
What is the rainiest month in Cornelia?
December, with 5.7 inches of rain and melted snow. The year totals 60 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Cornelia itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cornelia, GA (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.