Grain Valley, MO

Full City Profile · Missouri

3.5 /5.0

B+ Good

15,967 Population 2,592/sq mi density

$87,266 Median Income $38,038 per capita

$269,800 Home Value $323,369 Zillow

$1,366 Median Rent 24.4% income on rent

54°F Avg Temperature 264 sunny days/yr

145 Violent Crime/100K 1,438 property/100K

B+

Overall

3.5 / 5.0

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

A+

Economy

4.7 / 5.0

$87,266 median income, 1.6% unemployment

A+

Affordability

4.9 / 5.0

$269,800 home value, $1,366/mo rent

Safety

1.0 / 5.0

145 violent crimes/100K

Education

3.2 / 5.0

27.8% bachelor's degree or higher

Grain Valley experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 27°F in January while summers reach 78°F in July. The area gets 264 sunny days per year. Annual precipitation totals 39.6 inches. The area receives 4.4 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

27°F Jan (-3°C) 78°F Jul (26°C)

Annual Average	54.2°F
	0% below US avg
January Average	27°F (-3°C)
July Average	78°F (26°C)
Sunny Days	264 days/yr

Geography

Elevation	801 ft (244 m)
Area	6.2 sq mi (16.0 km²)
Population Density	2,592/sq mi
Coordinates	39.0150°N, 94.1986°W
Timezone	America/Chicago
Nearest Airport	Kansas City International (MCI) 34 miles away

Precipitation & Snow

Annual Rainfall 39.6"

4% above US avg

Snowfall 4.4"

Wettest Month (May) 5.00"

Driest Month (Jan) 1.26"

Air Quality

AQI Median	41.0
Rating	Good

Earthquake History

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.3. Most recent: M2.5 on Jul 15, 2025.

May 18, 2005	Missouri	M3.3	65 km
Jul 31, 2005	Missouri	M3.3	132 km
Mar 23, 2007	5 km N of Nortonville, Kansas	M3.1	110 km
Mar 30, 2001	1 km SW of Hermitage, Missouri	M3.1	142 km
May 13, 1999	6 km WSW of Kansas City, Kansas	M3.0	44 km
Apr 4, 2015	3 km ESE of Clinton, Missouri	M2.6	83 km
Jul 15, 2025	3 km W of Hale, Missouri	M2.5	95 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

504 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 20 fatalities, 439 injuries.

Date	Rating	Distance	Fatalities
May 29, 2004	EF4	96 km	3
May 4, 2003	EF4	55 km	2
May 4, 2003	EF4	34 km	0
May 4, 1977	EF4	38 km	0
May 4, 1977	EF4	24 km	0
Apr 23, 1975	EF4	79 km	1
Apr 19, 1973	EF4	79 km	0
Jun 8, 1966	EF4	86 km	1
May 7, 1961	EF4	65 km	0
May 22, 1952	EF4	88 km	0
Mar 6, 2017	EF3	7 km	0
May 2, 2008	EF3	40 km	0
Mar 12, 2006	EF3	86 km	0
May 29, 2004	EF3	78 km	0
Jun 19, 1981	EF3	93 km	1
May 12, 1980	EF3	78 km	0
May 4, 1977	EF3	72 km	2
May 4, 1977	EF3	24 km	1
May 4, 1977	EF3	81 km	0
Apr 20, 1973	EF3	89 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

3 wildfires (100+ acres) within 100 km. Largest: UNNAMED (2,089 ac, 2006).

Year	Name	Acres	Distance
2006	UNNAMED	2,089	81 km
2005	NR STEELE	1,652	96 km
2012	HIGHWAY E	897	65 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	27°F (-3°C)	1.3 in	Coldest, Driest
February	33°F (1°C)	1.4 in
March	44°F (7°C)	2.7 in
April	55°F (13°C)	3.7 in
May	64°F (18°C)	5.0 in	Wettest
June	73°F (23°C)	4.8 in
July	78°F (26°C)	4.1 in	Warmest
August	76°F (25°C)	3.8 in
September	68°F (20°C)	4.9 in
October	57°F (14°C)	3.5 in
November	43°F (6°C)	2.7 in
December	32°F (0°C)	1.8 in

Grain Valley has a seasonal temperature swing of 51°F / from 27°F in January to 78°F in July. Total annual precipitation is 39.6 inches, with May being the wettest month (5.0") and January the driest (1.3").

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