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Weather & Climate in Thayer, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thayer enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°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 2.6 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 535 feet.
Temperature
33°F Jan (0°C)
78°F Jul (26°C)
| Annual Average | 56.9°F |
| 5% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 535 ft (163 m) |
| Area | 2.4 sq mi (6.3 km²) |
| Population Density | 938/sq mi |
| Coordinates | 36.5245°N, 91.5382°W |
| Timezone | America/Chicago |
| Nearest Airport | Sharp County Regional (CKK) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
141 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 1, 2005 | 5 km SSE of Manila, Arkansas | M4.2 | 147 km | 10 km |
| Feb 10, 2005 | 3 km NNW of Etowah, Arkansas | M4.1 | 144 km | 15 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 51 km | 10 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 18 km | 8 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 40 km | 10 km |
| Sep 17, 1997 | 2 km E of Trumann, Arkansas | M3.8 | 134 km | 0 km |
| Jun 4, 2014 | 3 km ESE of Fairfield Bay, Arkansas | M3.8 | 123 km | 0 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 30 km | 0 km |
| Sep 12, 2019 | 13 km N of Big Flat, Arkansas | M3.7 | 89 km | 18 km |
| Feb 23, 2013 | 7 km SW of Trumann, Arkansas | M3.7 | 133 km | 14 km |
| Oct 15, 2017 | 6 km SE of Manila, Arkansas | M3.6 | 149 km | 17 km |
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 131 km | 6 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 78 km | 11 km |
| Aug 20, 1994 | 4 km NE of Black Rock, Arkansas | M3.5 | 60 km | 10 km |
| Jun 27, 2000 | 15 km WSW of Marshall, Arkansas | M3.4 | 135 km | 0 km |
| Oct 5, 2011 | 5 km WSW of Quitman, Arkansas | M3.3 | 145 km | 5 km |
| Jun 26, 2010 | 10 km NW of Garner, Arkansas | M3.3 | 149 km | 0 km |
| Jan 20, 2010 | 4 km WNW of Lynn, Arkansas | M3.3 | 60 km | 0 km |
| Jun 28, 2010 | 11 km NW of Garner, Arkansas | M3.2 | 148 km | 0 km |
| Feb 24, 2011 | 2 km NE of Guy, Arkansas | M3.2 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
386 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 74 fatalities, 1,008 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 24, 2002 | EF4 | 70 km | 40.5 mi | 0 |
| Jan 21, 1999 | EF4 | 93 km | 16.0 mi | 0 |
| Dec 24, 1982 | EF4 | 39 km | 63.0 mi | 0 |
| Apr 2, 1982 | EF4 | 61 km | 20.0 mi | 2 |
| May 15, 1968 | EF4 | 97 km | 0.3 mi | 7 |
| May 15, 1968 | EF4 | 94 km | 20.9 mi | 35 |
| May 21, 1957 | EF4 | 58 km | 9.1 mi | 7 |
| May 26, 2024 | EF3 | 59 km | 12.4 mi | 0 |
| May 25, 2011 | EF3 | 69 km | 47.4 mi | 0 |
| May 8, 2009 | EF3 | 53 km | 2.2 mi | 0 |
| Mar 1, 2007 | EF3 | 55 km | 15.0 mi | 1 |
| Apr 2, 2006 | EF3 | 61 km | 77.0 mi | 2 |
| Jan 21, 1999 | EF3 | 98 km | 31.0 mi | 0 |
| Mar 1, 1997 | EF3 | 87 km | 5.0 mi | 0 |
| Mar 1, 1997 | EF3 | 92 km | 5.0 mi | 0 |
| Mar 1, 1997 | EF3 | 88 km | 15.0 mi | 1 |
| Mar 5, 1996 | EF3 | 72 km | 46.5 mi | 0 |
| Oct 18, 1984 | EF3 | 27 km | 26.0 mi | 1 |
| Dec 2, 1982 | EF3 | 39 km | 9.0 mi | 0 |
| Apr 2, 1982 | EF3 | 53 km | 1.5 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1811 | AR: NE - NEW MADRID EARTHQUAKES | Eruption + Earthquake | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: HANDY (12,818 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | HANDY | 12,818 | 51 km |
| 2007 | DEAD HORSE | 10,389 | 94 km |
| 2004 | LOWER WILD | 10,034 | 94 km |
| 2011 | UNNAMED | 9,641 | 51 km |
| 2022 | CEDAR BLUFF | 9,617 | 50 km |
| 2013 | LOWER WILDERNESS RX | 8,699 | 95 km |
| 2020 | BIG BARREN CREEK | 8,150 | 54 km |
| 2022 | STEGALL MOUNTAIN | 6,979 | 69 km |
| 2021 | SYL BIRMINGHAM | 6,803 | 87 km |
| 2010 | WYLIE KING 1 | 6,077 | 97 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 69 km |
| 2021 | ROCK PILE | 5,067 | 63 km |
| 2018 | UNNAMED | 4,873 | 88 km |
| 2024 | BRIDGES RX | 4,781 | 53 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 69 km |
| 2019 | UNNAMED | 4,493 | 78 km |
| 2014 | UNNAMED | 4,337 | 80 km |
| 2021 | MILLER KING | 4,130 | 95 km |
| 2016 | UNNAMED | 3,807 | 87 km |
| 2024 | RX BAD BRANCH 2 | 3,591 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 2.6 in | Coldest, Driest |
| February | 38°F (4°C) | 2.9 in | |
| March | 48°F (9°C) | 4.5 in | |
| April | 57°F (14°C) | 4.3 in | |
| May | 65°F (19°C) | 4.4 in | |
| June | 73°F (23°C) | 3.7 in | |
| July | 78°F (26°C) | 3.2 in | Warmest |
| August | 77°F (25°C) | 3.4 in | |
| September | 70°F (21°C) | 3.9 in | |
| October | 59°F (15°C) | 3.4 in | |
| November | 47°F (8°C) | 4.7 in | Wettest |
| December | 37°F (3°C) | 4.1 in |
Thayer has a seasonal temperature swing of 46°F / from 33°F in January to 78°F in July. Total annual precipitation is 45.0 inches, with November being the wettest month (4.7") and January the driest (2.6").