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Weather & Climate in Piedmont, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Piedmont enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°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 45.1 inches. The area receives 2.7 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 502 feet.
Temperature
31°F Jan (-0°C)
78°F Jul (26°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 31°F (-0°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 502 ft (153 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 1,329/sq mi |
| Coordinates | 37.1545°N, 90.6957°W |
| Timezone | America/Chicago |
| Nearest Airport | Poplar Bluff Regional Business (POF) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
301 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 | 96 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 101 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 136 km | 16 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 84 km | 10 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 93 km | 8 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 79 km | 10 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 117 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 104 km | 21 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 90 km | 0 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 126 km | 8 km |
| Jan 16, 2018 | 4 km SW of Caruthersville, Missouri | M3.6 | 142 km | 9 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 38 km | 11 km |
| Apr 2, 2015 | 1 km WNW of Cooter, Missouri | M3.6 | 145 km | 10 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 143 km | 8 km |
| Jun 15, 2004 | 3 km S of Canalou, Missouri | M3.5 | 102 km | 5 km |
| Jan 8, 1993 | 6 km WSW of Gosnell, Arkansas | M3.5 | 149 km | 22 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 139 km | 4 km |
| Aug 20, 1994 | 4 km NE of Black Rock, Arkansas | M3.5 | 118 km | 10 km |
| Sep 9, 2016 | 9 km NW of Tiptonville, Tennessee | M3.4 | 130 km | 10 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 107 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
411 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 52 fatalities, 543 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 28, 2017 | EF4 | 88 km | 53.5 mi | 1 |
| Sep 22, 2006 | EF4 | 96 km | 27.5 mi | 0 |
| Apr 24, 2002 | EF4 | 34 km | 40.5 mi | 0 |
| Jan 21, 1999 | EF4 | 98 km | 16.0 mi | 0 |
| Apr 22, 1981 | EF4 | 66 km | 63.0 mi | 1 |
| Jun 22, 1969 | EF4 | 95 km | 20.2 mi | 2 |
| Jun 22, 1969 | EF4 | 65 km | 15.1 mi | 4 |
| Dec 21, 1967 | EF4 | 70 km | 27.9 mi | 3 |
| May 21, 1957 | EF4 | 48 km | 9.1 mi | 7 |
| May 26, 2024 | EF3 | 98 km | 12.4 mi | 0 |
| May 26, 2024 | EF3 | 95 km | 19.6 mi | 0 |
| Oct 24, 2021 | EF3 | 51 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 66 km | 16.7 mi | 0 |
| Nov 17, 2013 | EF3 | 87 km | 14.3 mi | 0 |
| Feb 29, 2012 | EF3 | 53 km | 20.0 mi | 1 |
| May 25, 2011 | EF3 | 40 km | 47.4 mi | 0 |
| Mar 11, 2006 | EF3 | 96 km | 53.5 mi | 2 |
| May 6, 2003 | EF3 | 94 km | 2.0 mi | 0 |
| Apr 27, 2002 | EF3 | 56 km | 4.0 mi | 1 |
| Apr 19, 1996 | EF3 | 97 km | 11.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
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 | 52 km |
| 2011 | UNNAMED | 9,641 | 53 km |
| 2022 | CEDAR BLUFF | 9,617 | 53 km |
| 2020 | BIG BARREN CREEK | 8,150 | 50 km |
| 2022 | STEGALL MOUNTAIN | 6,979 | 45 km |
| 2010 | WYLIE KING 1 | 6,077 | 31 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 45 km |
| 2011 | MINNINGHAW | 4,792 | 67 km |
| 2024 | BRIDGES RX | 4,781 | 52 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 45 km |
| 2017 | UNNAMED | 4,602 | 67 km |
| 2021 | MILLER KING | 4,130 | 28 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 93 km |
| 1999 | STEGALL99 | 3,415 | 45 km |
| 2013 | UNNAMED | 3,313 | 25 km |
| 2005 | UNNAMED | 3,252 | 66 km |
| 2021 | VICTORY 1-7 | 3,237 | 34 km |
| 2024 | WOLF MOUNTAIN RX | 3,140 | 67 km |
| 1988 | HANES 1 | 3,139 | 57 km |
| 2021 | COUNCIL BLUFF | 3,035 | 66 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 2.7 in | Coldest, Driest |
| February | 37°F (3°C) | 3.0 in | |
| March | 46°F (8°C) | 4.7 in | Wettest |
| April | 56°F (14°C) | 4.2 in | |
| May | 65°F (18°C) | 4.5 in | |
| June | 73°F (23°C) | 3.4 in | |
| July | 78°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.8 in | |
| September | 70°F (21°C) | 3.6 in | |
| October | 58°F (15°C) | 2.9 in | |
| November | 47°F (8°C) | 4.3 in | |
| December | 37°F (3°C) | 4.3 in |
Piedmont has a seasonal temperature swing of 47°F / from 31°F in January to 78°F in July. Total annual precipitation is 45.1 inches, with March being the wettest month (4.7") and January the driest (2.7").