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Weather & Climate in Dix, IL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dix experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 44.7 inches. The area receives 12.0 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 608 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 54.7°F |
| 1% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 608 ft (185 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 269/sq mi |
| Coordinates | 38.4445°N, 88.9460°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | St Louis Regional (ALN) 67 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.2 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 79.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
81 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Apr 18, 2008 | 7 km NNE of Bellmont, Illinois | M5.2 | 92 km | 14 km |
| Apr 18, 2008 | 9 km NNE of Bellmont, Illinois | M4.7 | 94 km | 15 km |
| Jun 18, 2002 | 6 km SW of Parkers Settlement, Indiana | M4.6 | 115 km | 16 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 122 km | 16 km |
| Apr 21, 2008 | 7 km NNE of Bellmont, Illinois | M4.0 | 93 km | 18 km |
| Dec 7, 2000 | 7 km W of Evansville, Indiana | M3.9 | 126 km | 5 km |
| Sep 19, 2017 | 4 km N of Bellmont, Illinois | M3.8 | 90 km | 12 km |
| Nov 11, 1991 | 3 km W of Flat Rock, Illinois | M3.8 | 119 km | 0 km |
| Apr 25, 2008 | 8 km NNE of Bellmont, Illinois | M3.7 | 93 km | 13 km |
| Jan 2, 2006 | 3 km NNE of Eldorado, Illinois | M3.6 | 81 km | 7 km |
| Nov 20, 2012 | 7 km N of Bellmont, Illinois | M3.6 | 91 km | 19 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 137 km | 16 km |
| Jun 5, 2008 | 8 km WNW of Mount Carmel, Illinois | M3.4 | 96 km | 16 km |
| May 30, 2015 | 4 km ENE of Geff, Illinois | M3.4 | 51 km | 26 km |
| Mar 2, 1990 | 9 km NW of Vernon, Illinois | M3.4 | 49 km | 0 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 136 km | 22 km |
| May 1, 2008 | 8 km NNE of Bellmont, Illinois | M3.3 | 95 km | 14 km |
| May 13, 2025 | 7 km SSW of Lerna, Illinois | M3.3 | 115 km | 10 km |
| Apr 6, 1994 | 2 km NE of Tamaroa, Illinois | M3.2 | 40 km | 15 km |
| Oct 24, 1990 | 5 km ENE of Woodlawn, Illinois | M3.2 | 11 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
522 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 62 fatalities, 950 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 18, 1957 | EF5 | 48 km | 5.4 mi | 1 |
| Nov 17, 2013 | EF4 | 44 km | 10.6 mi | 2 |
| Feb 29, 2012 | EF4 | 87 km | 26.1 mi | 8 |
| Jun 2, 1990 | EF4 | 47 km | 106.0 mi | 1 |
| Jun 2, 1990 | EF4 | 81 km | 12.5 mi | 0 |
| Jun 2, 1990 | EF4 | 44 km | 23.0 mi | 0 |
| May 29, 1982 | EF4 | 73 km | 17.0 mi | 10 |
| Dec 18, 1957 | EF4 | 22 km | 16.8 mi | 1 |
| Dec 18, 1957 | EF4 | 95 km | 28.3 mi | 11 |
| May 26, 2024 | EF3 | 96 km | 4.9 mi | 0 |
| Mar 31, 2023 | EF3 | 92 km | 40.9 mi | 6 |
| Feb 28, 2017 | EF3 | 80 km | 44.1 mi | 1 |
| Apr 21, 2002 | EF3 | 22 km | 31.5 mi | 1 |
| Apr 19, 1996 | EF3 | 37 km | 17.0 mi | 0 |
| Nov 19, 1991 | EF3 | 80 km | 1.5 mi | 0 |
| Nov 15, 1988 | EF3 | 94 km | 9.0 mi | 0 |
| Dec 2, 1982 | EF3 | 66 km | 10.5 mi | 2 |
| May 29, 1982 | EF3 | 78 km | 10.0 mi | 0 |
| Jul 28, 1976 | EF3 | 76 km | 0.1 mi | 0 |
| Apr 18, 1975 | EF3 | 94 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
15 wildfires (100+ acres) recorded within 100 km. Largest: RED SHALE UNIT RX (2,123 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | RED SHALE UNIT RX | 2,123 | 86 km |
| 2022 | DENNISON HOLLOW RX | 1,573 | 99 km |
| 2014 | UNNAMED | 1,493 | 97 km |
| 2024 | RED SHALE RX | 1,259 | 87 km |
| 2019 | KINKAID RX | 1,215 | 83 km |
| 2022 | KINKAID STATE FISH AND WILDLIFE AREA RX | 1,115 | 83 km |
| 2021 | STATE OF ILLINOIS TRACT RX | 1,011 | 83 km |
| 2024 | CAVE HILL RX | 999 | 97 km |
| 2021 | MILL CREEK RX | 898 | 97 km |
| 2024 | HAMPTON NORTH RX | 807 | 84 km |
| 2018 | UNNAMED | 729 | 84 km |
| 2024 | HERRIN FLATS RX | 713 | 84 km |
| 2020 | UNNAMED | 687 | 84 km |
| 2024 | HAMPTON RX | 628 | 85 km |
| 2022 | BLOWDOWN 16 RX | 553 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.2 in | Coldest, Driest |
| February | 34°F (1°C) | 2.6 in | |
| March | 44°F (7°C) | 4.1 in | |
| April | 55°F (13°C) | 4.1 in | |
| May | 64°F (18°C) | 4.5 in | Wettest |
| June | 73°F (23°C) | 3.9 in | |
| July | 77°F (25°C) | 3.7 in | Warmest |
| August | 75°F (24°C) | 3.1 in | |
| September | 68°F (20°C) | 3.1 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 45°F (7°C) | 4.0 in | |
| December | 34°F (1°C) | 3.4 in |
Dix has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 41.8 inches, with May being the wettest month (4.5") and January the driest (2.2").