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Weather & Climate in New Johnsonville, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New Johnsonville enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 37°F in January while summers reach 78°F in July. The area gets 318 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 383 feet.
Temperature
37°F Jan (3°C)
78°F Jul (26°C)
| Annual Average | 58.9°F |
| 9% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 383 ft (117 m) |
| Area | 7.1 sq mi (18.3 km²) |
| Population Density | 375/sq mi |
| Coordinates | 36.0165°N, 87.9695°W |
| Timezone | America/Chicago |
| County | Humphreys County County |
| Nearest Airport | Maury County Regional (MRC) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.3 / 100 |
| Social Vulnerability | 66.1 / 100 |
| Community Resilience | 48.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
162 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 2, 2005 | 12 km S of Ridgely, Tennessee | M4.0 | 136 km | 15 km |
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 133 km | 3 km |
| May 16, 2024 | 6 km S of Ridgely, Tennessee | M3.8 | 137 km | 8 km |
| Apr 24, 2019 | 12 km NNW of Dyersburg, Tennessee | M3.7 | 133 km | 14 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 137 km | 19 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 141 km | 8 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 143 km | 4 km |
| Sep 9, 2016 | 9 km NW of Tiptonville, Tennessee | M3.4 | 149 km | 10 km |
| Sep 26, 1994 | 4 km ENE of Blandville, Kentucky | M3.4 | 135 km | 13 km |
| Apr 28, 1993 | 8 km SSE of Ridgely, Tennessee | M3.4 | 134 km | 7 km |
| Nov 6, 2009 | 6 km NNW of Dyersburg, Tennessee | M3.4 | 129 km | 9 km |
| Jun 17, 2012 | 6 km NW of Tiptonville, Tennessee | M3.3 | 147 km | 8 km |
| Aug 12, 2013 | 7 km S of Hornbeak, Tennessee | M3.3 | 123 km | 4 km |
| May 16, 2017 | 9 km ESE of Wyatt, Missouri | M3.3 | 140 km | 9 km |
| May 31, 2022 | 12 km SE of Ridgely, Tennessee | M3.2 | 128 km | 11 km |
| Apr 8, 1998 | 2 km NNW of Blandville, Kentucky | M3.2 | 138 km | 13 km |
| Mar 19, 2017 | 9 km ESE of Wyatt, Missouri | M3.2 | 141 km | 12 km |
| Aug 7, 1990 | 5 km SSW of Wyatt, Missouri | M3.1 | 147 km | 7 km |
| Aug 23, 1999 | 1 km WSW of Ridgely, Tennessee | M3.1 | 140 km | 9 km |
| Nov 29, 1996 | 3 km ESE of Ridgely, Tennessee | M3.1 | 136 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
467 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 72 fatalities, 1,352 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 16, 1998 | EF5 | 89 km | 69.4 mi | 3 |
| Feb 5, 2008 | EF4 | 89 km | 7.6 mi | 0 |
| Feb 5, 2008 | EF4 | 88 km | 16.2 mi | 3 |
| May 5, 1999 | EF4 | 50 km | 6.0 mi | 3 |
| Jan 17, 1999 | EF4 | 95 km | 16.0 mi | 6 |
| Dec 24, 1988 | EF4 | 97 km | 6.0 mi | 1 |
| May 7, 1971 | EF4 | 73 km | 50.9 mi | 3 |
| Apr 27, 1970 | EF4 | 89 km | 42.6 mi | 3 |
| Apr 3, 1968 | EF4 | 74 km | 50.6 mi | 2 |
| Mar 4, 1964 | EF4 | 87 km | 18.5 mi | 3 |
| Apr 3, 1956 | EF4 | 66 km | 11.6 mi | 3 |
| May 8, 2024 | EF3 | 98 km | 11.5 mi | 1 |
| Dec 9, 2023 | EF3 | 76 km | 47.2 mi | 4 |
| Mar 3, 2020 | EF3 | 93 km | 60.1 mi | 5 |
| Dec 23, 2015 | EF3 | 98 km | 48.4 mi | 0 |
| Apr 26, 2011 | EF3 | 83 km | 2.6 mi | 0 |
| Apr 11, 2008 | EF3 | 98 km | 10.3 mi | 0 |
| Apr 7, 2006 | EF3 | 69 km | 18.8 mi | 0 |
| Apr 2, 2006 | EF3 | 99 km | 8.0 mi | 2 |
| Apr 2, 2006 | EF3 | 96 km | 31.0 mi | 6 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
13 wildfires (100+ acres) recorded within 100 km. Largest: DEVILS BACKBONE RX (3,215 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | DEVILS BACKBONE RX | 3,215 | 53 km |
| 2010 | FRANKLIN CREEK RX | 2,828 | 91 km |
| 2019 | UNNAMED | 2,282 | 90 km |
| 2014 | UNNAMED | 1,837 | 71 km |
| 2006 | UNNAMED | 1,493 | 76 km |
| 2024 | LBL - NWDA UNIT 3 RX | 1,187 | 96 km |
| 2010 | BUFFALO TRAIL (NORTH) RX | 959 | 69 km |
| 2006 | CLAY CREEK | 896 | 66 km |
| 2007 | ROCKHOUSE ROAD | 791 | 57 km |
| 2000 | UNNAMED | 762 | 92 km |
| 2010 | SCHOOLHOUSE RX | 722 | 83 km |
| 1999 | UNNAMED | 564 | 72 km |
| 2014 | MERIWETHER LEWIS | 513 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 4.0 in | Coldest |
| February | 40°F (4°C) | 4.6 in | |
| March | 49°F (9°C) | 5.7 in | Wettest |
| April | 57°F (14°C) | 4.9 in | |
| May | 66°F (19°C) | 5.2 in | |
| June | 74°F (23°C) | 4.2 in | |
| July | 78°F (26°C) | 4.5 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 71°F (22°C) | 3.9 in | |
| October | 59°F (15°C) | 3.3 in | Driest |
| November | 49°F (10°C) | 5.0 in | |
| December | 41°F (5°C) | 5.4 in |
New Johnsonville has a seasonal temperature swing of 42°F / from 37°F in January to 78°F in July. Total annual precipitation is 54.3 inches, with March being the wettest month (5.7") and October the driest (3.3").