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Weather & Climate in Oak Ridge, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oak Ridge enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 30°F in January while summers reach 78°F in July. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 45.0 inches. The area receives 5.4 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 614 feet.
Temperature
30°F Jan (-1°C)
78°F Jul (26°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 614 ft (187 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 437/sq mi |
| Coordinates | 37.5012°N, 89.7298°W |
| Timezone | America/Chicago |
| Nearest Airport | Cape Girardeau Regional (CGI) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
298 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 26, 1990 | 4 km SE of Chaffee, Missouri | M4.8 | 40 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 103 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 50 km | 16 km |
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 95 km | 3 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 121 km | 21 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 75 km | 8 km |
| May 16, 2024 | 6 km S of Ridgely, Tennessee | M3.8 | 146 km | 8 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 86 km | 8 km |
| Jan 16, 2018 | 4 km SW of Caruthersville, Missouri | M3.6 | 149 km | 9 km |
| Jan 2, 2006 | 3 km NNE of Eldorado, Illinois | M3.6 | 122 km | 7 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 118 km | 11 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 91 km | 19 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 87 km | 8 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 73 km | 16 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 86 km | 4 km |
| Jun 15, 2004 | 3 km S of Canalou, Missouri | M3.5 | 86 km | 5 km |
| Sep 9, 2016 | 9 km NW of Tiptonville, Tennessee | M3.4 | 118 km | 10 km |
| Sep 26, 1994 | 4 km ENE of Blandville, Kentucky | M3.4 | 94 km | 13 km |
| Apr 28, 1993 | 8 km SSE of Ridgely, Tennessee | M3.4 | 147 km | 7 km |
| Aug 12, 2013 | 7 km S of Hornbeak, Tennessee | M3.3 | 143 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
574 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 63 fatalities, 967 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 18, 1957 | EF5 | 77 km | 5.4 mi | 1 |
| Feb 28, 2017 | EF4 | 35 km | 53.5 mi | 1 |
| Feb 29, 2012 | EF4 | 98 km | 26.1 mi | 8 |
| Sep 22, 2006 | EF4 | 22 km | 27.5 mi | 0 |
| May 6, 2003 | EF4 | 67 km | 33.0 mi | 2 |
| May 29, 1982 | EF4 | 62 km | 17.0 mi | 10 |
| Jun 22, 1969 | EF4 | 77 km | 15.1 mi | 4 |
| Dec 18, 1957 | EF4 | 31 km | 28.3 mi | 11 |
| May 26, 2024 | EF3 | 78 km | 19.6 mi | 0 |
| May 26, 2024 | EF3 | 64 km | 4.9 mi | 0 |
| Oct 24, 2021 | EF3 | 59 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 64 km | 16.7 mi | 0 |
| Nov 17, 2013 | EF3 | 53 km | 14.3 mi | 0 |
| Nov 17, 2013 | EF3 | 88 km | 42.5 mi | 3 |
| Feb 29, 2012 | EF3 | 78 km | 20.0 mi | 1 |
| Sep 22, 2006 | EF3 | 89 km | 3.5 mi | 0 |
| Mar 11, 2006 | EF3 | 43 km | 53.5 mi | 2 |
| Mar 11, 2006 | EF3 | 87 km | 5.1 mi | 0 |
| May 6, 2003 | EF3 | 15 km | 2.0 mi | 0 |
| Apr 28, 2002 | EF3 | 91 km | 22.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WYLIE KING 1 (6,077 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | WYLIE KING 1 | 6,077 | 100 km |
| 2021 | RED SHALE UNIT RX | 2,123 | 61 km |
| 2014 | UNNAMED | 1,627 | 37 km |
| 2019 | ATWOOD RIDGE RX | 1,622 | 37 km |
| 2000 | UNNAMED | 1,552 | 81 km |
| 2021 | UNNAMED | 1,510 | 98 km |
| 2024 | ESSMAN SPRING RX | 1,495 | 98 km |
| 1999 | UNNAMED | 1,483 | 81 km |
| 2020 | UNNAMED | 1,334 | 46 km |
| 2000 | UNNAMED | 1,260 | 91 km |
| 2024 | RED SHALE RX | 1,259 | 60 km |
| 2017 | UNNAMED | 1,257 | 38 km |
| 2021 | OZARK HILL PRAIRIE RX | 1,235 | 38 km |
| 2019 | KINKAID RX | 1,215 | 43 km |
| 2000 | UNNAMED | 1,187 | 93 km |
| 2022 | KINKAID STATE FISH AND WILDLIFE AREA RX | 1,115 | 43 km |
| 2024 | PINE HOLLOW RX | 1,038 | 98 km |
| 2021 | STATE OF ILLINOIS TRACT RX | 1,011 | 43 km |
| 2022 | BEAN RIDGE RX | 955 | 41 km |
| 2021 | MILL CREEK RX | 898 | 43 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.6 in | Coldest, Driest |
| February | 35°F (2°C) | 2.8 in | |
| March | 46°F (8°C) | 4.5 in | |
| April | 56°F (13°C) | 4.2 in | |
| May | 65°F (18°C) | 4.7 in | Wettest |
| June | 74°F (23°C) | 3.9 in | |
| July | 78°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 70°F (21°C) | 3.4 in | |
| October | 58°F (14°C) | 3.0 in | |
| November | 46°F (8°C) | 4.3 in | |
| December | 36°F (2°C) | 4.0 in |
Oak Ridge has a seasonal temperature swing of 48°F / from 30°F in January to 78°F in July. Total annual precipitation is 45.0 inches, with May being the wettest month (4.7") and January the driest (2.6").