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 $329,267 Zillow
$1,366 Median Rent 24.4% income on rent
56°F Avg Temperature
195 Violent Crime/100K 1,246 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, 2.1% unemployment
A+
Affordability
4.9 / 5.0
$269,800 home value, $1,366/mo rent
F
Safety
1.0 / 5.0
195 violent crimes/100K
B
Education
3.2 / 5.0
27.8% bachelor's degree or higher
Grain Valley enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°F in January while summers reach 79°F in July. Annual precipitation totals 38.3 inches. The area receives 13.2 inches of snow annually.

Temperature

31°F Jan (-1°C) 79°F Jul (26°C)
Annual Average55.7°F
3% above US avg
January Average31°F (-1°C)
July Average79°F (26°C)

Geography

Elevation801 ft (244 m)
Area6.2 sq mi (16.0 km²)
Population Density2,592/sq mi
Coordinates39.0150°N, 94.1986°W
TimezoneAmerica/Chicago
Nearest AirportKansas City International (MCI)
34 miles away

Precipitation & Snow

Annual Rainfall 38.3"
1% above US avg
Snowfall 13.2"
Wettest Month (May) 5.70"
Driest Month (Jan) 0.96"

Air Quality

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 31°F (-1°C) 1.0 in Coldest, Driest
February 35°F (2°C) 1.4 in
March 45°F (7°C) 2.1 in
April 56°F (13°C) 4.2 in
May 65°F (19°C) 5.7 in Wettest
June 75°F (24°C) 5.0 in
July 79°F (26°C) 4.6 in Warmest
August 77°F (25°C) 4.5 in
September 69°F (21°C) 3.1 in
October 57°F (14°C) 3.4 in
November 45°F (7°C) 2.1 in
December 35°F (2°C) 1.4 in

Grain Valley has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 38.3 inches, with May being the wettest month (5.7") and January the driest (1.0").

View full weather details →