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Weather & Climate in Johnson, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Johnson enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 40°F in January while summers reach 82°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 45. The city sits at an elevation of 974 feet.
Temperature
40°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 974 ft (297 m) |
| Area | 3.9 sq mi (10.2 km²) |
| Population Density | 173/sq mi |
| Coordinates | 35.4138°N, 96.8493°W |
| Timezone | America/Chicago |
| County | Pottawatomie County County |
| Nearest Airport | Shawnee Regional (SNL) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.3 / 100 |
| Social Vulnerability | 75.0 / 100 |
| Community Resilience | 54.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4,250 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Sep 3, 2016 | 14 km NW of Pawnee, Oklahoma | M5.8 | 113 km | 6 km |
| Feb 3, 2024 | 8 km NW of Prague, Oklahoma | M5.1 | 16 km | 3 km |
| Apr 9, 2018 | 8 km NNE of Marshall, Oklahoma | M4.6 | 111 km | 5 km |
| Apr 7, 2018 | 5 km WNW of Lucien, Oklahoma | M4.6 | 115 km | 6 km |
| Dec 7, 2013 | 8 km SW of Arcadia, Oklahoma | M4.5 | 53 km | 8 km |
| Jul 27, 2015 | 4 km NNE of Crescent, Oklahoma | M4.5 | 91 km | 5 km |
| Sep 6, 1997 | 6 km N of Tupelo, Oklahoma | M4.5 | 92 km | 5 km |
| Apr 16, 2013 | Oklahoma | M4.4 | 37 km | 6 km |
| Aug 19, 2014 | 12 km SSW of Guthrie, Oklahoma | M4.4 | 69 km | 5 km |
| Jun 17, 2015 | 6 km ESE of Covington, Oklahoma | M4.3 | 114 km | 6 km |
| Jun 16, 2014 | 7 km NNE of Lake Aluma, Oklahoma | M4.3 | 53 km | 5 km |
| Jan 13, 2024 | 6 km W of Arcadia, Oklahoma | M4.3 | 57 km | 7 km |
| Jan 18, 1995 | 4 km SSE of Erin Springs, Oklahoma | M4.2 | 98 km | 5 km |
| Feb 5, 2021 | 5 km WNW of Lucien, Oklahoma | M4.2 | 114 km | 7 km |
| Mar 30, 2014 | 2 km S of Marshall, Oklahoma | M4.2 | 106 km | 5 km |
| Mar 4, 2018 | 4 km N of Breckinridge, Oklahoma | M4.2 | 143 km | 8 km |
| Jul 17, 2016 | 5 km W of Lucien, Oklahoma | M4.2 | 114 km | 5 km |
| Apr 7, 2014 | 6 km NNW of Meridian, Oklahoma | M4.2 | 66 km | 5 km |
| Aug 3, 2017 | 6 km ENE of Edmond, Oklahoma | M4.2 | 58 km | 5 km |
| Mar 29, 2016 | 4 km NNE of Crescent, Oklahoma | M4.2 | 92 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
1,028 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 152 fatalities, 2,703 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 2013 | EF5 | 72 km | 13.9 mi | 24 |
| May 3, 1999 | EF5 | 96 km | 37.0 mi | 36 |
| May 5, 1960 | EF5 | 17 km | 71.8 mi | 5 |
| May 19, 2013 | EF4 | 45 km | 23.0 mi | 2 |
| May 24, 2011 | EF4 | 100 km | 23.1 mi | 0 |
| May 10, 2010 | EF4 | 61 km | 24.0 mi | 2 |
| May 10, 2010 | EF4 | 59 km | 22.3 mi | 1 |
| May 8, 2003 | EF4 | 62 km | 17.3 mi | 0 |
| May 3, 1999 | EF4 | 91 km | 35.0 mi | 2 |
| Apr 26, 1991 | EF4 | 89 km | 32.0 mi | 1 |
| Apr 29, 1984 | EF4 | 68 km | 27.0 mi | 1 |
| Apr 26, 1984 | EF4 | 77 km | 22.0 mi | 3 |
| May 17, 1981 | EF4 | 24 km | 33.6 mi | 0 |
| Apr 30, 1978 | EF4 | 84 km | 9.3 mi | 0 |
| Jun 8, 1974 | EF4 | 62 km | 29.0 mi | 14 |
| Oct 5, 1970 | EF4 | 12 km | 25.0 mi | 4 |
| May 4, 1960 | EF4 | 52 km | 8.0 mi | 0 |
| May 9, 1959 | EF4 | 92 km | 6.2 mi | 7 |
| Sep 14, 1957 | EF4 | 63 km | 67.5 mi | 2 |
| May 1, 1954 | EF4 | 47 km | 59.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: FREEDOM HILL (57,116 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | FREEDOM HILL | 57,116 | 81 km |
| 2004 | UNNAMED | 27,091 | 78 km |
| 2011 | HOG TRAP | 22,895 | 72 km |
| 2009 | BURNT TRUST | 22,578 | 85 km |
| 1991 | UNNAMED | 16,700 | 84 km |
| 2005 | CABINESS | 14,646 | 86 km |
| 2004 | UNNAMED | 14,138 | 91 km |
| 2016 | PHAROAH | 13,579 | 69 km |
| 2011 | UNNAMED | 11,348 | 84 km |
| 2011 | UNNAMED | 10,205 | 84 km |
| 2005 | WEWOKA CREEK | 9,921 | 52 km |
| 1996 | UNNAMED | 9,481 | 85 km |
| 1996 | UNNAMED | 9,165 | 69 km |
| 2005 | PROCTOR | 9,044 | 81 km |
| 2005 | BEAR DEN | 9,004 | 45 km |
| 2005 | DRIPPING SPRING | 8,510 | 67 km |
| 2009 | MULHALL-PAYNE COUNTY | 8,186 | 88 km |
| 1991 | UNNAMED | 7,716 | 73 km |
| 2005 | SHERWOOD | 7,473 | 49 km |
| 2012 | NOBLE | 7,037 | 44 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 1.3 in | Coldest, Driest |
| February | 43°F (6°C) | 2.0 in | |
| March | 52°F (11°C) | 3.2 in | |
| April | 61°F (16°C) | 3.5 in | |
| May | 69°F (20°C) | 5.5 in | Wettest |
| June | 77°F (25°C) | 4.4 in | |
| July | 82°F (28°C) | 2.6 in | Warmest |
| August | 81°F (27°C) | 2.4 in | |
| September | 73°F (23°C) | 4.4 in | |
| October | 62°F (17°C) | 4.1 in | |
| November | 50°F (10°C) | 2.8 in | |
| December | 41°F (5°C) | 1.9 in |
Johnson has a seasonal temperature swing of 43°F / from 40°F in January to 82°F in July. Total annual precipitation is 38.0 inches, with May being the wettest month (5.5") and January the driest (1.3").