Weather & Climate in Tamaroa, IL

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

Tamaroa 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 42.2 inches. The area receives 11.7 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 505 feet.

Temperature

30°F Jan (-1°C) 77°F Jul (25°C)

Annual Average	55.1°F
	2% above US avg
January Average	30°F (-1°C)
July Average	77°F (25°C)
Sunny Days	293 days/yr

Geography

Elevation	505 ft (154 m)
Area	1.0 sq mi (2.5 km²)
Population Density	585/sq mi
Coordinates	38.1363°N, 89.2293°W
Timezone	America/Chicago
County	Perry County County
Nearest Airport	Cape Girardeau Regional (CGI) 68 miles away

Precipitation & Snow

Annual Rainfall 42.2"

11% above US avg

Snowfall 11.7"

Wettest Month (May) 4.57"

Driest Month (Jan) 2.44"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	72.1 / 100
Social Vulnerability	64.1 / 100
Community Resilience	82.2 / 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 Moderate
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Relatively Low
Drought	Relatively Low
Cold Wave	Relatively Moderate
Landslide	Relatively Low

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

Earthquake History

125 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	122 km	14 km
Sep 26, 1990	4 km SE of Chaffee, Missouri	M4.8	115 km	1 km
Apr 18, 2008	9 km NNE of Bellmont, Illinois	M4.7	124 km	15 km
Jun 18, 2002	6 km SW of Parkers Settlement, Indiana	M4.6	130 km	16 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	86 km	16 km
Apr 21, 2008	7 km NNE of Bellmont, Illinois	M4.0	123 km	18 km
Jun 6, 2003	1 km NE of Bardwell, Kentucky	M4.0	141 km	3 km
Jun 7, 2011	18 km NNW of Potosi, Missouri	M3.9	147 km	21 km
Dec 7, 2000	7 km W of Evansville, Indiana	M3.9	141 km	5 km
Feb 21, 2012	4 km SSE of Bertrand, Missouri	M3.9	142 km	8 km
Sep 19, 2017	4 km N of Bellmont, Illinois	M3.8	120 km	12 km
Apr 25, 2008	8 km NNE of Bellmont, Illinois	M3.7	123 km	13 km
Jan 2, 2006	3 km NNE of Eldorado, Illinois	M3.6	78 km	7 km
Jun 20, 2005	4 km WSW of Blandville, Kentucky	M3.6	136 km	19 km
Nov 20, 2012	7 km N of Bellmont, Illinois	M3.6	121 km	19 km
Mar 15, 2017	9 km ESE of Wyatt, Missouri	M3.6	140 km	8 km
Jul 16, 2004	6 km SE of Wyatt, Missouri	M3.5	142 km	4 km
May 1, 2016	5 km SE of New Grand Chain, Illinois	M3.5	105 km	16 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	80 km	0 km
Sep 26, 1994	4 km ENE of Blandville, Kentucky	M3.4	134 km	13 km

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

Tornado History

562 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 67 fatalities, 1,024 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	7 km	5.4 mi	1
Feb 28, 2017	EF4	82 km	53.5 mi	1
Nov 17, 2013	EF4	37 km	10.6 mi	2
Feb 29, 2012	EF4	71 km	26.1 mi	8
Sep 22, 2006	EF4	73 km	27.5 mi	0
May 6, 2003	EF4	98 km	33.0 mi	2
Jun 2, 1990	EF4	68 km	106.0 mi	1
Jun 2, 1990	EF4	82 km	23.0 mi	0
May 29, 1982	EF4	38 km	17.0 mi	10
Dec 18, 1957	EF4	21 km	16.8 mi	1
Dec 18, 1957	EF4	53 km	28.3 mi	11
May 26, 2024	EF3	65 km	4.9 mi	0
Dec 10, 2021	EF3	100 km	4.2 mi	6
Feb 28, 2017	EF3	98 km	44.1 mi	1
Mar 11, 2006	EF3	96 km	5.1 mi	0
Mar 11, 2006	EF3	76 km	53.5 mi	2
May 6, 2003	EF3	93 km	2.0 mi	0
Apr 28, 2002	EF3	98 km	22.0 mi	0
Apr 28, 2002	EF3	86 km	19.3 mi	1
Apr 21, 2002	EF3	50 km	31.5 mi	1

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

Wildfire History

20 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	53 km
2014	UNNAMED	1,627	82 km
2019	ATWOOD RIDGE RX	1,622	82 km
2021	GAP VIEW RX	1,575	95 km
2022	DENNISON HOLLOW RX	1,573	89 km
2021	UNNAMED	1,510	89 km
2022	ONE HORSE GAP RX	1,502	98 km
2014	UNNAMED	1,493	88 km
2015	UNNAMED	1,447	89 km
2021	BEATTY BRANCH RX	1,396	99 km
2016	UNNAMED	1,299	98 km
2024	RED SHALE RX	1,259	54 km
2017	UNNAMED	1,257	92 km
2021	OZARK HILL PRAIRIE RX	1,235	92 km
2014	UNNAMED	1,216	98 km
2019	KINKAID RX	1,215	41 km
2013	UNNAMED	1,203	97 km
2022	KINKAID STATE FISH AND WILDLIFE AREA RX	1,115	41 km
2024	PINE HOLLOW RX	1,038	98 km
2021	STATE OF ILLINOIS TRACT RX	1,011	41 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	30°F (-1°C)	2.4 in	Coldest, Driest
February	35°F (2°C)	2.6 in
March	45°F (7°C)	4.3 in
April	56°F (13°C)	4.1 in
May	65°F (18°C)	4.6 in	Wettest
June	74°F (23°C)	3.9 in
July	77°F (25°C)	3.6 in	Warmest
August	76°F (25°C)	3.3 in
September	69°F (21°C)	3.2 in
October	58°F (14°C)	3.1 in
November	46°F (8°C)	4.1 in
December	35°F (2°C)	3.5 in

Tamaroa has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 42.6 inches, with May being the wettest month (4.6") and January the driest (2.4").

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