Weather & Climate in Vienna, IL

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Vienna enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 34°F in January while summers reach 77°F in July. The area gets 299 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 50.5 inches (wetter than the 38-inch national average). The area receives 7.2 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 363 feet.

Temperature

34°F Jan (1°C) 77°F Jul (25°C)

Annual Average	57.2°F
	6% above US avg
January Average	34°F (1°C)
July Average	77°F (25°C)
Sunny Days	299 days/yr

Geography

Elevation	363 ft (111 m)
Area	2.9 sq mi (7.4 km²)
Population Density	745/sq mi
Coordinates	37.4136°N, 88.8866°W
Timezone	America/Chicago
County	Johnson County County
Nearest Airport	Barkley Regional (PAH) 25 miles away

Precipitation & Snow

Annual Rainfall 50.5"

33% above US avg

Snowfall 7.2"

Wettest Month (May) 4.92"

Driest Month (Oct) 3.07"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	51.1 / 100
Social Vulnerability	82.0 / 100
Community Resilience	47.6 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Relatively Moderate
Wildfire	Very Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Relatively Low
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Relatively Moderate
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

311 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	145 km	14 km
Sep 26, 1990	4 km SE of Chaffee, Missouri	M4.8	71 km	1 km
Apr 18, 2008	9 km NNE of Bellmont, Illinois	M4.7	147 km	15 km
Jun 18, 2002	6 km SW of Parkers Settlement, Indiana	M4.6	119 km	16 km
May 4, 1991	2 km NNW of Risco, Missouri	M4.5	125 km	11 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	27 km	16 km
Apr 21, 2008	7 km NNE of Bellmont, Illinois	M4.0	145 km	18 km
Jun 6, 2003	1 km NE of Bardwell, Kentucky	M4.0	60 km	3 km
Jun 2, 2005	12 km S of Ridgely, Tennessee	M4.0	150 km	15 km
Dec 7, 2000	7 km W of Evansville, Indiana	M3.9	126 km	5 km
Feb 21, 2012	4 km SSE of Bertrand, Missouri	M3.9	77 km	8 km
May 16, 2024	6 km S of Ridgely, Tennessee	M3.8	145 km	8 km
Sep 19, 2017	4 km N of Bellmont, Illinois	M3.8	141 km	12 km
Mar 2, 2010	2 km ENE of East Prairie, Missouri	M3.7	81 km	8 km
Apr 25, 2008	8 km NNE of Bellmont, Illinois	M3.7	146 km	13 km
Jan 2, 2006	3 km NNE of Eldorado, Illinois	M3.6	63 km	7 km
Jun 20, 2005	4 km WSW of Blandville, Kentucky	M3.6	56 km	19 km
Nov 20, 2012	7 km N of Bellmont, Illinois	M3.6	144 km	19 km
Mar 15, 2017	9 km ESE of Wyatt, Missouri	M3.6	63 km	8 km
Jun 15, 2004	3 km S of Canalou, Missouri	M3.5	104 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

573 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 58 fatalities, 1,088 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	81 km	5.4 mi	1
Feb 29, 2012	EF4	38 km	26.1 mi	8
Sep 22, 2006	EF4	88 km	27.5 mi	0
May 6, 2003	EF4	20 km	33.0 mi	2
Jun 2, 1990	EF4	100 km	106.0 mi	1
May 29, 1982	EF4	48 km	17.0 mi	10
Mar 4, 1964	EF4	88 km	18.5 mi	3
Dec 18, 1957	EF4	98 km	16.8 mi	1
Dec 18, 1957	EF4	61 km	28.3 mi	11
May 26, 2024	EF3	22 km	4.9 mi	0
May 26, 2024	EF3	80 km	34.1 mi	1
May 10, 2016	EF3	74 km	19.0 mi	0
Nov 17, 2013	EF3	87 km	14.3 mi	0
Nov 17, 2013	EF3	89 km	14.1 mi	0
Nov 17, 2013	EF3	35 km	42.5 mi	3
Mar 28, 2009	EF3	99 km	12.4 mi	0
Sep 22, 2006	EF3	25 km	3.5 mi	0
Nov 15, 2005	EF3	85 km	44.0 mi	1
Nov 6, 2005	EF3	74 km	11.2 mi	0
May 6, 2003	EF3	69 km	2.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: FRANKLIN CREEK RX (2,828 acres, 2010).

Year	Name	Acres Burned	Distance
2010	FRANKLIN CREEK RX	2,828	98 km
2019	UNNAMED	2,286	31 km
2019	UNNAMED	2,282	98 km
2021	RED SHALE UNIT RX	2,123	34 km
2014	UNNAMED	1,627	40 km
2019	ATWOOD RIDGE RX	1,622	40 km
2021	GAP VIEW RX	1,575	40 km
2022	DENNISON HOLLOW RX	1,573	49 km
2021	UNNAMED	1,510	26 km
2022	ONE HORSE GAP RX	1,502	40 km
2014	UNNAMED	1,493	51 km
2015	UNNAMED	1,447	48 km
2021	BEATTY BRANCH RX	1,396	30 km
2020	UNNAMED	1,334	46 km
2016	UNNAMED	1,299	40 km
2024	RED SHALE RX	1,259	33 km
2017	UNNAMED	1,257	44 km
2021	OZARK HILL PRAIRIE RX	1,235	44 km
2014	UNNAMED	1,216	41 km
2019	KINKAID RX	1,215	66 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	34°F (1°C)	3.2 in	Coldest
February	36°F (2°C)	3.4 in
March	47°F (8°C)	4.8 in
April	57°F (14°C)	4.6 in
May	66°F (19°C)	4.9 in	Wettest
June	74°F (23°C)	4.1 in
July	77°F (25°C)	3.8 in	Warmest
August	77°F (25°C)	3.5 in
September	70°F (21°C)	3.4 in
October	58°F (15°C)	3.1 in	Driest
November	47°F (8°C)	4.3 in
December	37°F (3°C)	4.3 in

Vienna has a seasonal temperature swing of 43°F / from 34°F in January to 77°F in July. Total annual precipitation is 47.3 inches, with May being the wettest month (4.9") and October the driest (3.1").

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