Gainesville, Georgia Weather
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Climate of Gainesville: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Gainesville, with average daytime highs around 32°C. January is the coolest, when nights typically fall to about -2°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 33°C, so the seasons feel very different from each other.
The area receives about 1430 mm of rain in a typical year. Most of it falls from all year (around 100% of the yearly total), and December is the wettest month at roughly 149 mm.
There is no long, mild season here; May usually comes closest to comfortable outdoor weather, with highs near 25°C.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 9° | -2° | 117 mm | 81% |
| Feb | 11° | 0° | 123 mm | 82% |
| Mar | 16° | 4° | 122 mm | 80% |
| Apr | 21° | 9° | 110 mm | 78% |
| May | 25° | 14° | 116 mm | 78% |
| Jun | 30° | 18° | 119 mm | 74% |
| Jul | 32° | 20° | 127 mm | 73% |
| Aug | 31° | 19° | 119 mm | 72% |
| Sep | 28° | 16° | 109 mm | 72% |
| Oct | 22° | 9° | 104 mm | 74% |
| Nov | 16° | 3° | 111 mm | 75% |
| Dec | 11° | 0° | 149 mm | 82% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Gainesville. Values describe typical conditions, not a forecast.
About Gainesville weather
Gainesville lies in Georgia's humid subtropical climate, from the coastal plain to the Appalachian foothills — about 80 km north-east of Atlanta. Expect hot, humid summers (June–August) with highs often above 33°C. Winter brings mild winters (December–February). This page shows live, auto-refreshing weather for Gainesville: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Gainesville is about 80 km north-east of Atlanta, in Georgia.
Gainesville sees mild winters (December–February).
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Gainesville's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Gainesville, with average daytime highs of about 32°C and nights around 20°C.
The coldest nights come in January, when the average low is about -2°C and daytime highs reach around 9°C. Frost is possible on clear, calm nights.
Gainesville receives about 1430 mm of rain in a typical year. December is the wettest month at roughly 149 mm, and the main rainy period is all year.
There is no long mild season in Gainesville. May usually comes closest to comfortable outdoor weather.
In November Gainesville typically sees daytime highs near 16°C and lows near 3°C, with about 111 mm of rain over the month and average humidity around 75%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Gainesville updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Gainesville's day-to-day weather follows the broader pattern of Georgia described above. See the hourly weather forecast or the air quality index for more detail.