All Countries
Weather & Climate in Petersburg, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Petersburg enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 79°F in July. The area gets 301 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 56.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 873 feet.
Temperature
38°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 38°F (4°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 873 ft (266 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 573/sq mi |
| Coordinates | 35.3173°N, 86.6406°W |
| Timezone | America/Chicago |
| County | Lincoln County County |
| Nearest Airport | Tullahoma Regional/Wm Northern Field (THA) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.9 / 100 |
| Social Vulnerability | 68.4 / 100 |
| Community Resilience | 24.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
69 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 | 130 km | 20 km |
| Dec 8, 2001 | 5 km SW of Pleasant Groves, Alabama | M3.9 | 77 km | 0 km |
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 127 km | 1 km |
| Mar 21, 2001 | 7 km ESE of Trenton, Georgia | M3.2 | 121 km | 0 km |
| May 6, 2010 | 11 km ENE of Whitesboro, Alabama | M3.2 | 141 km | 5 km |
| Apr 5, 1994 | 10 km N of Trenton, Georgia | M3.2 | 112 km | 24 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M3.1 | 71 km | 8 km |
| Apr 29, 2003 | 7 km E of Fort Payne, Alabama | M3.1 | 133 km | 3 km |
| May 2, 2003 | 8 km S of Valley Head, Alabama | M3.1 | 132 km | 15 km |
| May 4, 1994 | 12 km NNW of Addison, Alabama | M3.0 | 126 km | 5 km |
| May 4, 1994 | 2 km NNW of Addison, Alabama | M3.0 | 132 km | 19 km |
| May 19, 1997 | 9 km NNW of Trion, Georgia | M2.9 | 141 km | 3 km |
| Aug 7, 2006 | 8 km NNE of Trenton, Georgia | M2.9 | 115 km | 14 km |
| Jan 2, 2000 | 4 km SW of Lester, Alabama | M2.9 | 63 km | 13 km |
| Jan 2, 2000 | 4 km SW of Lester, Alabama | M2.9 | 63 km | 10 km |
| Sep 19, 1990 | 6 km NNW of Menlo, Georgia | M2.9 | 136 km | 6 km |
| May 13, 1999 | 7 km NW of Elkmont, Alabama | M2.8 | 52 km | 10 km |
| May 13, 1999 | 11 km S of Pulaski, Tennessee | M2.8 | 43 km | 20 km |
| Sep 20, 1990 | 6 km N of Elkmont, Alabama | M2.8 | 47 km | 4 km |
| Mar 20, 2000 | 7 km WSW of Linwood, Georgia | M2.8 | 136 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
587 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 117 fatalities, 2,158 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 78 km | 83.3 mi | 16 |
| Apr 27, 2011 | EF4 | 88 km | 30.2 mi | 1 |
| Apr 27, 2011 | EF4 | 98 km | 47.0 mi | 14 |
| Apr 10, 2009 | EF4 | 53 km | 23.3 mi | 2 |
| Jan 24, 1997 | EF4 | 53 km | 6.5 mi | 0 |
| May 18, 1995 | EF4 | 84 km | 29.0 mi | 3 |
| May 18, 1995 | EF4 | 65 km | 39.0 mi | 1 |
| Nov 15, 1989 | EF4 | 74 km | 18.5 mi | 21 |
| Dec 24, 1988 | EF4 | 71 km | 6.0 mi | 1 |
| Apr 3, 1974 | EF4 | 38 km | 27.5 mi | 11 |
| Mar 22, 1952 | EF4 | 86 km | 21.6 mi | 4 |
| Feb 29, 1952 | EF4 | 19 km | 2.0 mi | 2 |
| Feb 13, 1952 | EF4 | 34 km | 12.7 mi | 3 |
| May 8, 2024 | EF3 | 83 km | 3.8 mi | 0 |
| May 8, 2024 | EF3 | 46 km | 11.5 mi | 1 |
| Apr 1, 2023 | EF3 | 39 km | 12.0 mi | 1 |
| Mar 3, 2020 | EF3 | 99 km | 60.1 mi | 5 |
| Apr 28, 2014 | EF3 | 81 km | 15.6 mi | 2 |
| Apr 28, 2014 | EF3 | 36 km | 26.8 mi | 2 |
| Mar 2, 2012 | EF3 | 68 km | 34.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
14 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,638 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | UNNAMED | 2,638 | 99 km |
| 2016 | BRIDGE CREEK ROAD | 1,777 | 99 km |
| 2001 | UNNAMED | 1,691 | 92 km |
| 2004 | UNNAMED | 1,271 | 54 km |
| 2006 | UNNAMED | 963 | 83 km |
| 2007 | STEVENSON | 955 | 83 km |
| 2004 | UNNAMED | 826 | 67 km |
| 2006 | UNNAMED | 810 | 78 km |
| 2006 | UNNAMED | 777 | 79 km |
| 2001 | UNNAMED | 703 | 96 km |
| 2004 | UNNAMED | 631 | 98 km |
| 1999 | UNNAMED | 564 | 92 km |
| 1996 | UNNAMED | 523 | 92 km |
| 2014 | MERIWETHER LEWIS | 513 | 77 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 4.9 in | Coldest |
| February | 41°F (5°C) | 4.5 in | |
| March | 50°F (10°C) | 6.3 in | Wettest |
| April | 58°F (14°C) | 4.7 in | |
| May | 66°F (19°C) | 5.2 in | |
| June | 73°F (23°C) | 4.1 in | |
| July | 79°F (26°C) | 4.8 in | Warmest |
| August | 76°F (25°C) | 3.4 in | Driest |
| September | 70°F (21°C) | 4.1 in | |
| October | 59°F (15°C) | 3.7 in | |
| November | 49°F (10°C) | 5.0 in | |
| December | 41°F (5°C) | 5.5 in |
Petersburg has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in July. Total annual precipitation is 56.1 inches, with March being the wettest month (6.3") and August the driest (3.4").