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Weather & Climate in Plato, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Plato experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 31°F in January while summers reach 77°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.0 inches. The area receives 5.1 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 1,119 feet.
Temperature
31°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.3°F |
| 2% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 1,119 ft (341 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 513/sq mi |
| Coordinates | 37.5037°N, 92.2249°W |
| Timezone | America/Chicago |
| Nearest Airport | Waynesville-St Robert Regional Forney Field (TBN) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
32 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 133 km | 21 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 108 km | 8 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 97 km | 0 km |
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 143 km | 6 km |
| Jul 31, 2005 | Missouri | M3.3 | 142 km | 5 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 68 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 108 km | 5 km |
| Mar 18, 1990 | 9 km W of Alton, Missouri | M3.0 | 111 km | 1 km |
| Jun 27, 2025 | 12 km WSW of Grandin, Missouri | M2.9 | 140 km | 10 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 106 km | 4 km |
| Jun 16, 2017 | 6 km N of Bergman, Arkansas | M2.9 | 143 km | 6 km |
| Mar 12, 1990 | 9 km NNE of Briarcliff, Arkansas | M2.8 | 127 km | 0 km |
| Jul 31, 1995 | 8 km SSW of Caledonia, Missouri | M2.8 | 126 km | 5 km |
| Nov 26, 1999 | 9 km NNE of Mountain Home, Arkansas | M2.7 | 121 km | 3 km |
| May 14, 2007 | 12 km NE of Alton, Missouri | M2.7 | 114 km | 8 km |
| Jul 15, 1990 | 7 km SW of Potosi, Missouri | M2.7 | 129 km | 3 km |
| Oct 26, 1998 | 10 km NE of Van Buren, Missouri | M2.7 | 124 km | 4 km |
| Feb 20, 2024 | 4 km ENE of Grandin, Missouri | M2.7 | 147 km | 15 km |
| Feb 14, 2019 | 11 km WSW of Mountain View, Missouri | M2.6 | 72 km | 7 km |
| Mar 7, 2009 | 7 km S of Miramiguoa Park, Missouri | M2.6 | 125 km | 7 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: 21 fatalities, 321 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 21, 1967 | EF4 | 98 km | 27.9 mi | 3 |
| Sep 26, 1959 | EF4 | 43 km | 7.8 mi | 0 |
| Mar 25, 1954 | EF4 | 20 km | 12.1 mi | 2 |
| May 26, 2024 | EF3 | 67 km | 12.4 mi | 0 |
| May 22, 2019 | EF3 | 99 km | 32.7 mi | 0 |
| Dec 31, 2010 | EF3 | 61 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 21 km | 7.5 mi | 0 |
| May 8, 2009 | EF3 | 74 km | 2.2 mi | 0 |
| Jan 7, 2008 | EF3 | 48 km | 4.7 mi | 0 |
| Jan 7, 2008 | EF3 | 46 km | 1.8 mi | 0 |
| Jan 7, 2008 | EF3 | 86 km | 50.4 mi | 3 |
| Mar 12, 2006 | EF3 | 64 km | 32.0 mi | 0 |
| May 4, 2003 | EF3 | 69 km | 14.0 mi | 4 |
| Jun 1, 1999 | EF3 | 73 km | 7.0 mi | 0 |
| Apr 11, 1979 | EF3 | 55 km | 35.4 mi | 0 |
| May 21, 1957 | EF3 | 64 km | 10.2 mi | 0 |
| May 26, 2024 | EF2 | 87 km | 3.2 mi | 0 |
| Apr 15, 2023 | EF2 | 74 km | 6.9 mi | 0 |
| Apr 30, 2019 | EF2 | 99 km | 10.3 mi | 0 |
| Apr 13, 2018 | EF2 | 51 km | 9.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (7,388 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | UNNAMED | 7,388 | 76 km |
| 1994 | UNNAMED | 5,344 | 57 km |
| 2021 | ROCK PILE | 5,067 | 67 km |
| 2006 | BIG SPRING FIRE | 4,921 | 76 km |
| 2011 | MINNINGHAW | 4,792 | 78 km |
| 2010 | UNNAMED | 4,767 | 75 km |
| 2017 | UNNAMED | 4,602 | 78 km |
| 2023 | ELM SPRINGS RX | 4,378 | 42 km |
| 2009 | MOUNTAIN CREEK | 4,322 | 61 km |
| 1991 | UNNAMED | 4,179 | 66 km |
| 2023 | CANNON RANGE RX | 3,870 | 14 km |
| 2021 | UNNAMED | 3,665 | 18 km |
| 1992 | UNNAMED | 3,538 | 77 km |
| 1991 | UNNAMED | 3,533 | 59 km |
| 1991 | UNNAMED | 3,492 | 73 km |
| 1994 | UNNAMED | 3,336 | 65 km |
| 2021 | KAINTUCK | 3,325 | 46 km |
| 2005 | UNNAMED | 3,252 | 78 km |
| 1991 | UNNAMED | 3,135 | 68 km |
| 2022 | LITTLE CREEK | 3,004 | 78 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 2.0 in | Coldest, Driest |
| February | 36°F (2°C) | 2.3 in | |
| March | 46°F (8°C) | 3.9 in | |
| April | 56°F (13°C) | 4.0 in | |
| May | 64°F (18°C) | 4.7 in | Wettest |
| June | 72°F (22°C) | 4.1 in | |
| July | 77°F (25°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.5 in | |
| September | 68°F (20°C) | 4.1 in | |
| October | 58°F (14°C) | 3.7 in | |
| November | 46°F (8°C) | 3.9 in | |
| December | 35°F (2°C) | 3.2 in |
Plato has a seasonal temperature swing of 46°F / from 31°F in January to 77°F in July. Total annual precipitation is 43.0 inches, with May being the wettest month (4.7") and January the driest (2.0").