All Countries
Weather & Climate in Delta, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Delta enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 31°F in January while summers reach 79°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.1 inches (wetter than the 38-inch national average). The area receives 3.0 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 341 feet.
Temperature
31°F Jan (-0°C)
79°F Jul (26°C)
| Annual Average | 56.6°F |
| 5% above US avg | |
| January Average | 31°F (-0°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 341 ft (104 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 1,251/sq mi |
| Coordinates | 37.1967°N, 89.7362°W |
| Timezone | America/Chicago |
| Nearest Airport | Cape Girardeau Regional (CGI) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
382 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 | 12 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 70 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 52 km | 16 km |
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 75 km | 3 km |
| Jun 2, 2005 | 12 km S of Ridgely, Tennessee | M4.0 | 119 km | 15 km |
| Apr 30, 2003 | 1 km N of Blytheville, Arkansas | M4.0 | 140 km | 24 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 145 km | 10 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 46 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 142 km | 21 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 136 km | 10 km |
| Nov 29, 1996 | 1 km W of Blytheville, Arkansas | M3.8 | 142 km | 19 km |
| May 16, 2024 | 6 km S of Ridgely, Tennessee | M3.8 | 113 km | 8 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 57 km | 8 km |
| Apr 24, 2019 | 12 km NNW of Dyersburg, Tennessee | M3.7 | 121 km | 14 km |
| Jan 16, 2018 | 4 km SW of Caruthersville, Missouri | M3.6 | 115 km | 9 km |
| Apr 2, 2015 | 1 km WNW of Cooter, Missouri | M3.6 | 128 km | 10 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 99 km | 11 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 72 km | 19 km |
| Jan 2, 2006 | 3 km NNE of Eldorado, Illinois | M3.6 | 137 km | 7 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 65 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
565 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 113 fatalities, 1,421 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 10, 2021 | EF4 | 96 km | 168.5 mi | 57 |
| Feb 28, 2017 | EF4 | 63 km | 53.5 mi | 1 |
| Sep 22, 2006 | EF4 | 54 km | 27.5 mi | 0 |
| May 6, 2003 | EF4 | 63 km | 33.0 mi | 2 |
| May 29, 1982 | EF4 | 86 km | 17.0 mi | 10 |
| Apr 22, 1981 | EF4 | 90 km | 63.0 mi | 1 |
| Jun 22, 1969 | EF4 | 93 km | 15.1 mi | 4 |
| Dec 18, 1957 | EF4 | 60 km | 28.3 mi | 11 |
| May 26, 2024 | EF3 | 44 km | 19.6 mi | 0 |
| May 26, 2024 | EF3 | 77 km | 4.9 mi | 0 |
| Oct 24, 2021 | EF3 | 70 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 82 km | 16.7 mi | 0 |
| Nov 17, 2013 | EF3 | 20 km | 14.3 mi | 0 |
| Nov 17, 2013 | EF3 | 77 km | 42.5 mi | 3 |
| Feb 29, 2012 | EF3 | 52 km | 20.0 mi | 1 |
| Sep 22, 2006 | EF3 | 83 km | 3.5 mi | 0 |
| Mar 11, 2006 | EF3 | 73 km | 53.5 mi | 2 |
| May 6, 2003 | EF3 | 21 km | 2.0 mi | 0 |
| Apr 28, 2002 | EF3 | 41 km | 19.3 mi | 1 |
| Apr 28, 2002 | EF3 | 92 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 | 80 km |
| 2021 | MILLER KING | 4,130 | 82 km |
| 2013 | UNNAMED | 3,313 | 86 km |
| 2021 | VICTORY 1-7 | 3,237 | 80 km |
| 2005 | MCKENZIE HILL | 2,722 | 98 km |
| 2021 | RED SHALE UNIT RX | 2,123 | 79 km |
| 2014 | UNNAMED | 1,627 | 42 km |
| 2019 | ATWOOD RIDGE RX | 1,622 | 42 km |
| 2007 | BRAWLEY HOLLOW | 1,575 | 98 km |
| 2000 | UNNAMED | 1,552 | 93 km |
| 2024 | ESSMAN SPRING RX | 1,495 | 79 km |
| 1999 | UNNAMED | 1,483 | 93 km |
| 2020 | UNNAMED | 1,334 | 34 km |
| 2000 | UNNAMED | 1,260 | 99 km |
| 2024 | RED SHALE RX | 1,259 | 78 km |
| 2017 | UNNAMED | 1,257 | 35 km |
| 2021 | OZARK HILL PRAIRIE RX | 1,235 | 36 km |
| 2004 | UNNAMED | 1,232 | 82 km |
| 2019 | KINKAID RX | 1,215 | 73 km |
| 2022 | KINKAID STATE FISH AND WILDLIFE AREA RX | 1,115 | 73 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.0 in | Coldest, Driest |
| February | 36°F (2°C) | 3.2 in | |
| March | 46°F (8°C) | 4.9 in | Wettest |
| April | 56°F (14°C) | 4.5 in | |
| May | 66°F (19°C) | 4.9 in | |
| June | 74°F (24°C) | 3.8 in | |
| July | 79°F (26°C) | 3.8 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 70°F (21°C) | 3.7 in | |
| October | 59°F (15°C) | 3.2 in | |
| November | 47°F (8°C) | 4.4 in | |
| December | 37°F (3°C) | 4.3 in |
Delta has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 47.1 inches, with March being the wettest month (4.9") and January the driest (3.0").