Tennyson, WI

Full City Profile · Wisconsin · Grant County County

3.2 /5.0

B Good

335 Population 779/sq mi density

$59,872 Median Income $35,886 per capita

$134,900 Home Value $237,125 Zillow

$1,083 Median Rent 17.5% income on rent

48°F Avg Temperature 260 sunny days/yr

369 Violent Crime/100K 1,555 property/100K

Overall

3.2 / 5.0

Good overall score based on economy, affordability, safety and education

Economy

4.2 / 5.0

$59,872 median income, 1.4% unemployment

A+

Affordability

5.0 / 5.0

$134,900 home value, $1,083/mo rent

Safety

1.0 / 5.0

369 violent crimes/100K

Education

2.5 / 5.0

18.4% bachelor's degree or higher

Tennyson experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 74°F in July. The area gets 260 sunny days per year. Annual precipitation totals 38.8 inches. The area receives 36.1 inches of snow annually. Air quality is rated Good with a median AQI of 38.

Temperature

19°F Jan (-7°C) 74°F Jul (24°C)

Annual Average	48.4°F
	10% below US avg
January Average	19°F (-7°C)
July Average	74°F (24°C)
Sunny Days	260 days/yr

Geography

Elevation	964 ft (294 m)
Area	0.4 sq mi (1.1 km²)
Population Density	779/sq mi
Coordinates	42.6906°N, 90.6867°W
Timezone	America/Chicago
County	Grant County County
Nearest Airport	Dubuque Regional (DBQ) 20 miles away

Precipitation & Snow

Annual Rainfall 38.8"

2% above US avg

Snowfall 36.1"

Wettest Month (Jun) 4.41"

Driest Month (Jan) 0.91"

Air Quality

AQI Median	38.0
Rating	Good

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)	10.3 μg/m³

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	61.1 / 100
Social Vulnerability	47.1 / 100
Community Resilience	63.9 / 100

Hazard Breakdown

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

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M3.5. Most recent: M3.5 on Sep 2, 1999.

Sep 2, 1999	8 km W of Amboy, Illinois	M3.5	149 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

469 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 13 fatalities, 432 injuries.

Date	Rating	Distance	Fatalities
Jun 7, 1984	EF5	66 km	9
Mar 13, 1990	EF4	79 km	0
Jul 3, 1983	EF4	55 km	0
Aug 12, 1974	EF4	75 km	0
Apr 11, 1965	EF4	96 km	1
Aug 7, 2021	EF3	49 km	0
Jun 16, 2014	EF3	98 km	0
Jul 27, 1995	EF3	82 km	0
Jun 19, 1993	EF3	75 km	0
Jun 19, 1993	EF3	41 km	0
Jul 13, 1992	EF3	67 km	0
Jun 17, 1992	EF3	97 km	0
May 8, 1988	EF3	39 km	0
May 30, 1985	EF3	71 km	2
Jun 20, 1974	EF3	86 km	1
Jul 12, 1971	EF3	81 km	0
Sep 9, 1970	EF3	21 km	0
Apr 16, 1967	EF3	65 km	0
Jan 24, 1967	EF3	89 km	0
Sep 3, 1964	EF3	57 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: COLD SPRINGS (552 ac, 2009).

Year	Name	Acres	Distance
2009	COLD SPRINGS	552	87 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	19°F (-7°C)	0.9 in	Coldest, Driest
February	23°F (-5°C)	1.1 in
March	34°F (1°C)	2.2 in
April	47°F (8°C)	3.3 in
May	59°F (15°C)	3.7 in
June	68°F (20°C)	4.4 in	Wettest
July	74°F (24°C)	4.0 in	Warmest
August	70°F (21°C)	4.3 in
September	62°F (17°C)	3.6 in
October	50°F (10°C)	2.4 in
November	35°F (2°C)	2.4 in
December	23°F (-5°C)	1.4 in

Tennyson has a seasonal temperature swing of 56°F / from 19°F in January to 74°F in July. Total annual precipitation is 33.6 inches, with June being the wettest month (4.4") and January the driest (0.9").

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