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Weather & Climate in Hoffman, IL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hoffman enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 30°F in January while summers reach 78°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 45.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 456 feet.
Temperature
30°F Jan (-1°C)
78°F Jul (26°C)
| Annual Average | 55.7°F |
| 3% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 456 ft (139 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 1,229/sq mi |
| Coordinates | 38.5405°N, 89.2643°W |
| Timezone | America/Chicago |
| County | Clinton County County |
| Nearest Airport | St Louis Regional (ALN) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.6 / 100 |
| Social Vulnerability | 27.6 / 100 |
| Community Resilience | 88.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
76 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 | 120 km | 14 km |
| Apr 18, 2008 | 9 km NNE of Bellmont, Illinois | M4.7 | 122 km | 15 km |
| Jun 18, 2002 | 6 km SW of Parkers Settlement, Indiana | M4.6 | 145 km | 16 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 131 km | 16 km |
| Apr 21, 2008 | 7 km NNE of Bellmont, Illinois | M4.0 | 121 km | 18 km |
| Nov 11, 1991 | 3 km W of Flat Rock, Illinois | M3.8 | 141 km | 0 km |
| Sep 19, 2017 | 4 km N of Bellmont, Illinois | M3.8 | 119 km | 12 km |
| Apr 25, 2008 | 8 km NNE of Bellmont, Illinois | M3.7 | 122 km | 13 km |
| Nov 20, 2012 | 7 km N of Bellmont, Illinois | M3.6 | 119 km | 19 km |
| Jan 2, 2006 | 3 km NNE of Eldorado, Illinois | M3.6 | 107 km | 7 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 150 km | 16 km |
| May 30, 2015 | 4 km ENE of Geff, Illinois | M3.4 | 80 km | 26 km |
| Jun 5, 2008 | 8 km WNW of Mount Carmel, Illinois | M3.4 | 124 km | 16 km |
| Mar 2, 1990 | 9 km NW of Vernon, Illinois | M3.4 | 36 km | 0 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 114 km | 22 km |
| May 1, 2008 | 8 km NNE of Bellmont, Illinois | M3.3 | 123 km | 14 km |
| May 13, 2025 | 7 km SSW of Lerna, Illinois | M3.3 | 122 km | 10 km |
| Oct 24, 1990 | 5 km ENE of Woodlawn, Illinois | M3.2 | 34 km | 1 km |
| Dec 27, 1992 | 2 km E of Pocahontas, Missouri | M3.2 | 120 km | 10 km |
| Apr 6, 1994 | 2 km NE of Tamaroa, Illinois | M3.2 | 43 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
585 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 56 fatalities, 942 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 18, 1957 | EF5 | 51 km | 5.4 mi | 1 |
| Nov 17, 2013 | EF4 | 21 km | 10.6 mi | 2 |
| Jun 2, 1990 | EF4 | 98 km | 12.5 mi | 0 |
| Jun 2, 1990 | EF4 | 76 km | 106.0 mi | 1 |
| Jun 2, 1990 | EF4 | 69 km | 23.0 mi | 0 |
| May 29, 1982 | EF4 | 83 km | 17.0 mi | 10 |
| Apr 3, 1981 | EF4 | 78 km | 11.9 mi | 0 |
| Dec 18, 1957 | EF4 | 33 km | 16.8 mi | 1 |
| Dec 18, 1957 | EF4 | 95 km | 28.3 mi | 11 |
| Dec 10, 2021 | EF3 | 73 km | 4.2 mi | 6 |
| Dec 1, 2018 | EF3 | 98 km | 12.5 mi | 0 |
| May 31, 2013 | EF3 | 82 km | 10.6 mi | 0 |
| Apr 21, 2002 | EF3 | 51 km | 31.5 mi | 1 |
| Jun 1, 1999 | EF3 | 94 km | 10.0 mi | 1 |
| Apr 19, 1996 | EF3 | 62 km | 17.0 mi | 0 |
| Nov 19, 1991 | EF3 | 95 km | 1.5 mi | 0 |
| Nov 15, 1988 | EF3 | 65 km | 9.0 mi | 0 |
| May 1, 1983 | EF3 | 78 km | 16.0 mi | 0 |
| Dec 2, 1982 | EF3 | 38 km | 10.5 mi | 2 |
| May 29, 1982 | EF3 | 67 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
11 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 | 97 km |
| 2024 | RED SHALE RX | 1,259 | 98 km |
| 2019 | KINKAID RX | 1,215 | 83 km |
| 2022 | KINKAID STATE FISH AND WILDLIFE AREA RX | 1,115 | 82 km |
| 2021 | STATE OF ILLINOIS TRACT RX | 1,011 | 79 km |
| 2024 | HAMPTON NORTH RX | 807 | 95 km |
| 2018 | UNNAMED | 729 | 82 km |
| 2024 | HERRIN FLATS RX | 713 | 97 km |
| 2020 | UNNAMED | 687 | 82 km |
| 2024 | HAMPTON RX | 628 | 96 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) | 2.0 in | Coldest, Driest |
| February | 33°F (1°C) | 2.4 in | |
| March | 44°F (7°C) | 3.9 in | |
| April | 55°F (13°C) | 3.8 in | |
| May | 64°F (18°C) | 4.3 in | Wettest |
| June | 74°F (23°C) | 3.8 in | |
| July | 78°F (26°C) | 3.8 in | Warmest |
| August | 76°F (24°C) | 2.9 in | |
| September | 69°F (20°C) | 3.1 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 45°F (7°C) | 3.6 in | |
| December | 34°F (1°C) | 3.4 in |
Hoffman has a seasonal temperature swing of 48°F / from 30°F in January to 78°F in July. Total annual precipitation is 39.9 inches, with May being the wettest month (4.3") and January the driest (2.0").