All Countries
Weather & Climate in Roswell, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roswell enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 48°F in January while summers reach 79°F in July. The area gets 288 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 52.6 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 44. The city sits at an elevation of 1,073 feet.
Temperature
48°F Jan (9°C)
79°F Jul (26°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 1,073 ft (327 m) |
| Area | 42.0 sq mi (108.8 km²) |
| Population Density | 2,273/sq mi |
| Coordinates | 34.0395°N, 84.3509°W |
| Timezone | America/New_York |
| County | Cherokee County County |
| Nearest Airport | Hartsfield - Jackson Atlanta International (ATL) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 45.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
77 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 29, 2003 | 8 km S of Valley Head, Alabama | M4.6 | 128 km | 20 km |
| Jul 5, 1995 | 12 km ESE of Tellico Plains, Tennessee | M3.7 | 145 km | 10 km |
| Jul 19, 1997 | 12 km E of Cohutta, Georgia | M3.5 | 110 km | 3 km |
| Mar 18, 2003 | 11 km S of Rayle, Georgia | M3.5 | 141 km | 5 km |
| Jan 18, 2000 | 11 km SSE of Gray, Georgia | M3.5 | 149 km | 19 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 148 km | 20 km |
| May 6, 2010 | 11 km ENE of Whitesboro, Alabama | M3.2 | 148 km | 5 km |
| Mar 21, 2001 | 7 km ESE of Trenton, Georgia | M3.2 | 134 km | 0 km |
| Apr 5, 1994 | 10 km N of Trenton, Georgia | M3.2 | 147 km | 24 km |
| Aug 1, 2009 | 8 km ENE of Ducktown, Tennessee | M3.2 | 114 km | 5 km |
| May 2, 2003 | 8 km S of Valley Head, Alabama | M3.1 | 126 km | 15 km |
| Jan 15, 1993 | 1 km N of Apison, Tennessee | M3.1 | 127 km | 8 km |
| Oct 30, 1991 | 9 km NNE of Eton, Georgia | M3.1 | 102 km | 8 km |
| Jun 23, 2008 | 10 km ESE of Cohutta, Georgia | M3.1 | 108 km | 9 km |
| Apr 29, 2003 | 7 km E of Fort Payne, Alabama | M3.1 | 127 km | 3 km |
| Apr 4, 2009 | 15 km N of Milledgeville, Georgia | M3.1 | 140 km | 0 km |
| Nov 1, 2009 | 1 km ESE of South Cleveland, Tennessee | M3.0 | 130 km | 25 km |
| Jan 21, 2022 | 16 km NNE of Eton, Georgia | M2.9 | 108 km | 15 km |
| May 19, 1997 | 9 km NNW of Trion, Georgia | M2.9 | 113 km | 3 km |
| Sep 19, 1990 | 6 km NNW of Menlo, Georgia | M2.9 | 119 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2018 | Michael | Category 1 | 92 mph | 220 km |
| 1995 | Opal | Category 1 | — | 294 km |
| 1985 | Kate | Category 1 | 75 mph | 293 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
488 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 80 fatalities, 1,487 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 27, 1994 | EF4 | 63 km | 49.0 mi | 3 |
| Nov 22, 1992 | EF4 | 32 km | 20.0 mi | 0 |
| Apr 3, 1974 | EF4 | 82 km | 29.5 mi | 9 |
| Apr 3, 1974 | EF4 | 37 km | 17.7 mi | 6 |
| Jan 12, 2023 | EF3 | 98 km | 31.2 mi | 0 |
| Jan 30, 2013 | EF3 | 65 km | 21.8 mi | 1 |
| Mar 2, 2012 | EF3 | 89 km | 29.0 mi | 0 |
| Dec 22, 2011 | EF3 | 72 km | 11.4 mi | 0 |
| Apr 27, 2011 | EF3 | 99 km | 21.7 mi | 2 |
| Apr 27, 2011 | EF3 | 54 km | 23.1 mi | 0 |
| Apr 27, 2011 | EF3 | 79 km | 37.0 mi | 1 |
| Mar 15, 2008 | EF3 | 70 km | 16.9 mi | 2 |
| Jan 2, 2006 | EF3 | 99 km | 3.0 mi | 0 |
| Mar 20, 1998 | EF3 | 56 km | 4.0 mi | 12 |
| Mar 27, 1994 | EF3 | 66 km | 23.0 mi | 3 |
| Mar 27, 1994 | EF3 | 62 km | 40.0 mi | 9 |
| Mar 27, 1994 | EF3 | 53 km | 44.0 mi | 3 |
| Mar 27, 1994 | EF3 | 90 km | 21.0 mi | 0 |
| Feb 21, 1993 | EF3 | 95 km | 9.0 mi | 1 |
| Feb 21, 1993 | EF3 | 34 km | 8.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ROUGH RIDGE (27,610 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | ROUGH RIDGE | 27,610 | 100 km |
| 2014 | UNNAMED | 3,298 | 68 km |
| 2018 | RUFF CREEK | 2,281 | 100 km |
| 2021 | UNNAMED | 2,201 | 99 km |
| 2021 | UNNAMED | 2,199 | 92 km |
| 2023 | TRAIL RIDGE FY23 | 2,085 | 96 km |
| 2013 | UNNAMED | 1,998 | 96 km |
| 2016 | UNNAMED | 1,866 | 92 km |
| 1999 | PIGEON ROOST | 1,729 | 81 km |
| 2021 | UNNAMED | 1,701 | 78 km |
| 2015 | UNNAMED | 1,669 | 99 km |
| 1999 | TURKEY STAMP | 1,657 | 85 km |
| 2013 | UNNAMED | 1,637 | 78 km |
| 2016 | UNNAMED | 1,555 | 88 km |
| 2008 | UNNAMED | 1,530 | 99 km |
| 2014 | UNNAMED | 1,450 | 89 km |
| 1985 | UNNAMED | 1,397 | 97 km |
| 2019 | UNNAMED | 1,396 | 93 km |
| 2014 | UNNAMED | 1,347 | 99 km |
| 2021 | UNNAMED | 1,331 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 5.3 in | |
| February | 45°F (7°C) | 5.0 in | |
| March | 53°F (12°C) | 5.9 in | Wettest |
| April | 60°F (16°C) | 4.8 in | |
| May | 68°F (20°C) | 4.5 in | |
| June | 75°F (24°C) | 3.9 in | |
| July | 79°F (26°C) | 4.8 in | Warmest |
| August | 77°F (25°C) | 4.0 in | |
| September | 72°F (22°C) | 3.7 in | |
| October | 61°F (16°C) | 3.5 in | Driest |
| November | 52°F (11°C) | 3.8 in | |
| December | 44°F (7°C) | 4.8 in | Coldest |
Roswell has a seasonal temperature swing of 35°F / from 44°F in December to 79°F in July. Total annual precipitation is 54.0 inches, with March being the wettest month (5.9") and October the driest (3.5").