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Weather & Climate in Lithonia, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lithonia enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 42°F in January while summers reach 80°F in July. The area gets 304 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 51.4 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 937 feet.
Temperature
42°F Jan (6°C)
80°F Jul (26°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 937 ft (286 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 2,811/sq mi |
| Coordinates | 33.7130°N, 84.1062°W |
| Timezone | America/New_York |
| County | Rockdale County County |
| Nearest Airport | Hartsfield - Jackson Atlanta International (ATL) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 56.2 / 100 |
| Social Vulnerability | 20.2 / 100 |
| Community Resilience | 37.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Mar 18, 2003 | 11 km S of Rayle, Georgia | M3.5 | 113 km | 5 km |
| Jan 18, 2000 | 11 km SSE of Gray, Georgia | M3.5 | 106 km | 19 km |
| Dec 7, 2009 | 4 km WNW of Deepstep, Georgia | M3.2 | 127 km | 7 km |
| Oct 30, 1991 | 9 km NNE of Eton, Georgia | M3.1 | 144 km | 8 km |
| Apr 4, 2009 | 15 km N of Milledgeville, Georgia | M3.1 | 101 km | 0 km |
| Apr 6, 2017 | 6 km WSW of Sparta, Georgia | M2.7 | 111 km | 11 km |
| Jun 18, 1998 | 8 km E of LaFayette, Georgia | M2.7 | 150 km | 3 km |
| Apr 23, 1993 | 14 km E of Mount Zion, Georgia | M2.7 | 122 km | 0 km |
| Jul 4, 2012 | 11 km NNE of Deepstep, Georgia | M2.7 | 128 km | 10 km |
| Jul 23, 1998 | 5 km SSE of Varnell, Georgia | M2.7 | 149 km | 7 km |
| Feb 7, 2007 | 7 km N of Trion, Georgia | M2.6 | 149 km | 11 km |
| May 3, 2011 | 6 km WNW of Mitchell, Georgia | M2.6 | 134 km | 28 km |
| Sep 12, 2022 | 13 km NE of Jackson, Georgia | M2.5 | 44 km | 1 km |
| Apr 6, 2017 | 6 km WSW of Sparta, Georgia | M2.5 | 111 km | 10 km |
| Jul 6, 2020 | 5 km S of Tunnel Hill, Georgia | M2.5 | 147 km | 5 km |
| May 18, 2015 | 0 km NNW of Crawfordville, Georgia | M2.5 | 113 km | 1 km |
| Aug 18, 1993 | 2 km NNW of Lakeview Estates, Georgia | M2.5 | 6 km | 0 km |
| Oct 13, 2012 | 2 km SE of McCaysville, Georgia | M2.5 | 142 km | 8 km |
| Aug 9, 2001 | 9 km SSE of Dalton, Georgia | M2.5 | 132 km | 0 km |
| May 25, 2017 | 16 km SE of LaFayette, Georgia | M2.5 | 138 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Helene | Category 1 | 92 mph | 279 km |
| 2018 | Michael | Category 1 | 92 mph | 180 km |
| 1995 | Opal | Category 1 | — | 287 km |
| 1989 | Hugo | Category 1 | — | 297 km |
| 1985 | Kate | Category 1 | 75 mph | 253 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
466 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 57 fatalities, 1,314 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 27, 1994 | EF4 | 97 km | 49.0 mi | 3 |
| Nov 22, 1992 | EF4 | 85 km | 32.0 mi | 5 |
| Nov 22, 1992 | EF4 | 57 km | 20.0 mi | 0 |
| Apr 3, 1974 | EF4 | 76 km | 17.7 mi | 6 |
| Jan 12, 2023 | EF3 | 70 km | 31.2 mi | 0 |
| Apr 13, 2020 | EF3 | 98 km | 16.6 mi | 0 |
| Apr 13, 2020 | EF3 | 76 km | 5.3 mi | 0 |
| Apr 27, 2011 | EF3 | 75 km | 21.7 mi | 2 |
| Apr 27, 2011 | EF3 | 94 km | 23.1 mi | 0 |
| Apr 27, 2011 | EF3 | 82 km | 30.8 mi | 2 |
| Jan 2, 2006 | EF3 | 70 km | 3.0 mi | 0 |
| Mar 20, 1998 | EF3 | 77 km | 4.0 mi | 12 |
| Mar 27, 1994 | EF3 | 88 km | 44.0 mi | 3 |
| Mar 27, 1994 | EF3 | 96 km | 23.0 mi | 3 |
| Feb 21, 1993 | EF3 | 60 km | 8.0 mi | 0 |
| Nov 22, 1992 | EF3 | 97 km | 10.0 mi | 1 |
| Mar 29, 1991 | EF3 | 52 km | 5.0 mi | 0 |
| Mar 5, 1989 | EF3 | 83 km | 14.0 mi | 0 |
| Mar 24, 1975 | EF3 | 40 km | 14.8 mi | 3 |
| Dec 13, 1973 | EF3 | 69 km | 9.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (5,084 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | UNNAMED | 5,084 | 79 km |
| 2010 | COMPT 163 | 4,755 | 73 km |
| 2021 | UNNAMED | 3,808 | 78 km |
| 2007 | 14A-14B-15A-16E-17E | 3,397 | 76 km |
| 2006 | 10 A 11 E 11 W RX BURN | 2,969 | 75 km |
| 2007 | UNNAMED | 2,753 | 83 km |
| 1988 | COMP 10 | 2,588 | 75 km |
| 2015 | UNNAMED | 2,574 | 80 km |
| 2010 | COMPT 2 | 2,505 | 82 km |
| 2014 | UNNAMED | 2,433 | 79 km |
| 2010 | COMPT 120 | 2,412 | 72 km |
| 1999 | COMP 1312 | 2,401 | 75 km |
| 2018 | COMPARTMENT 4 5 6 7 8 | 2,386 | 84 km |
| 2019 | UNNAMED | 2,294 | 68 km |
| 2018 | UNNAMED | 2,286 | 79 km |
| 2009 | 30 | 2,195 | 86 km |
| 2021 | UNNAMED | 2,143 | 83 km |
| 2018 | UNNAMED | 2,101 | 81 km |
| 2013 | UNNAMED | 2,077 | 68 km |
| 2019 | COMPARTMENT 107 | 2,058 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 5.1 in | Coldest |
| February | 46°F (8°C) | 4.7 in | |
| March | 54°F (12°C) | 5.6 in | Wettest |
| April | 61°F (16°C) | 4.1 in | |
| May | 69°F (20°C) | 4.1 in | |
| June | 76°F (24°C) | 3.7 in | |
| July | 80°F (26°C) | 4.8 in | Warmest |
| August | 78°F (26°C) | 3.9 in | |
| September | 73°F (23°C) | 3.6 in | |
| October | 62°F (17°C) | 3.4 in | Driest |
| November | 53°F (12°C) | 3.7 in | |
| December | 45°F (7°C) | 4.3 in |
Lithonia has a seasonal temperature swing of 37°F / from 42°F in January to 80°F in July. Total annual precipitation is 51.0 inches, with March being the wettest month (5.6") and October the driest (3.4").