Graf, IA

Full City Profile · Iowa · Dubuque County County

3.0 /5.0

B Good

40 Population 308/sq mi density

$57,083 Median Income $39,623 per capita

$212,500 Home Value $422,873 Zillow

47°F Avg Temperature 260 sunny days/yr

248 Violent Crime/100K 2,590 property/100K

Overall

3.0 / 5.0

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

Economy

4.0 / 5.0

$57,083 median income, 2.7% unemployment

A+

Affordability

4.6 / 5.0

$212,500 home value, /mo rent

Safety

1.0 / 5.0

248 violent crimes/100K

Education

2.3 / 5.0

16.1% bachelor's degree or higher

Graf experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 38.2 inches. The area receives 42.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

19°F Jan (-7°C) 72°F Jul (22°C)

Annual Average	47.2°F
	13% below US avg
January Average	19°F (-7°C)
July Average	72°F (22°C)
Sunny Days	260 days/yr

Geography

Elevation	854 ft (260 m)
Area	0.1 sq mi (0.3 km²)
Population Density	308/sq mi
Coordinates	42.4939°N, 90.8732°W
Timezone	America/Chicago
County	Dubuque County County
Nearest Airport	Dubuque Regional (DBQ) 10 miles away

Precipitation & Snow

Annual Rainfall 38.2"

1% above US avg

Snowfall 42.5"

Wettest Month (Jun) 4.37"

Driest Month (Jan) 1.06"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	63.6 / 100
Social Vulnerability	10.6 / 100
Community Resilience	97.0 / 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 Moderate
Lightning	Relatively Low
Ice Storm	Relatively Low
Drought	Relatively Moderate
Cold Wave	Relatively Moderate
Landslide	Relatively Low

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	147 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

543 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 18 fatalities, 573 injuries.

Date	Rating	Distance	Fatalities
Jun 7, 1984	EF5	90 km	9
May 15, 1968	EF5	89 km	5
Mar 13, 1990	EF4	54 km	0
Jul 3, 1983	EF4	81 km	0
Aug 12, 1974	EF4	52 km	0
Apr 11, 1965	EF4	72 km	1
Apr 30, 1954	EF4	84 km	0
Aug 7, 2021	EF3	72 km	0
May 25, 2008	EF3	95 km	0
May 21, 2004	EF3	92 km	0
Jul 27, 1995	EF3	67 km	0
Jun 19, 1993	EF3	55 km	0
Jun 19, 1993	EF3	23 km	0
Jul 13, 1992	EF3	41 km	0
May 8, 1988	EF3	83 km	0
May 8, 1988	EF3	54 km	0
May 30, 1985	EF3	67 km	2
Jun 20, 1974	EF3	76 km	1
May 13, 1974	EF3	100 km	0
Jul 12, 1971	EF3	57 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	19°F (-7°C)	1.1 in	Coldest, Driest
February	23°F (-5°C)	1.1 in
March	35°F (1°C)	2.3 in
April	48°F (9°C)	3.2 in
May	59°F (15°C)	3.8 in
June	69°F (20°C)	4.4 in	Wettest
July	72°F (22°C)	3.7 in	Warmest
August	70°F (21°C)	4.4 in
September	62°F (17°C)	3.9 in
October	50°F (10°C)	2.4 in
November	36°F (2°C)	2.3 in
December	23°F (-5°C)	1.6 in

Graf has a seasonal temperature swing of 53°F / from 19°F in January to 72°F in July. Total annual precipitation is 34.1 inches, with June being the wettest month (4.4") and January the driest (1.1").

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