Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Middle Grove experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 264 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 39.9 inches. The area receives 5.4 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 801 feet.
Temperature
26°F Jan (-3°C)77°F Jul (25°C)
Annual Average
53.2°F
1% below US avg
January Average
26°F (-3°C)
July Average
77°F (25°C)
Sunny Days
264 days/yr
Geography
Elevation
801 ft (244 m)
Area
0.6 sq mi (1.5 km²)
Population Density
82/sq mi
Coordinates
39.3950°N, 92.2705°W
Timezone
America/Chicago
Nearest Airport
Columbia Regional (COU) 40 miles away
Precipitation & Snow
Annual Rainfall39.9"
5% above US avg
Snowfall5.4"
Wettest Month (May)4.88"
Driest Month (Jan)1.54"
Air Quality
AQI Median
41.0
Rating
Good
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.3.
Jul 31, 2005
Missouri
M3.3
85 km
5 km
Feb 8, 2004
6 km SSW of Stoutsville, Missouri
M2.9
35 km
5 km
Sep 19, 2024
1 km S of Old Monroe, Missouri
M2.6
142 km
2 km
Jul 15, 2025
3 km W of Hale, Missouri
M2.5
98 km
8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
334 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 11 fatalities, 147 injuries.
Date
Rating
Distance
Path
Fatalities
Mar 12, 2006
EF4
10 km
29.0 mi
0
Apr 23, 1975
EF4
47 km
28.2 mi
1
Apr 20, 1973
EF4
62 km
3.8 mi
1
Jun 12, 1970
EF4
55 km
16.1 mi
0
Apr 21, 1967
EF4
84 km
59.0 mi
0
Mar 13, 2006
EF3
87 km
44.5 mi
0
Mar 12, 2006
EF3
20 km
19.7 mi
4
Mar 12, 2006
EF3
89 km
35.0 mi
0
May 10, 2003
EF3
56 km
12.0 mi
0
Nov 10, 1998
EF3
50 km
2.0 mi
0
Jul 4, 1995
EF3
14 km
26.0 mi
0
Nov 27, 1990
EF3
59 km
1.0 mi
0
Nov 27, 1990
EF3
50 km
12.0 mi
0
Apr 23, 1975
EF3
100 km
14.0 mi
0
Apr 13, 1974
EF3
56 km
0.1 mi
0
May 5, 1971
EF3
75 km
3.8 mi
0
May 5, 1971
EF3
71 km
0.1 mi
0
Jun 12, 1970
EF3
47 km
16.0 mi
0
Jun 12, 1970
EF3
41 km
8.5 mi
0
May 14, 1961
EF3
91 km
127.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: WOOLDRIDGE FIRE (1,323 acres, 2022).
Year
Name
Acres Burned
Distance
2022
WOOLDRIDGE FIRE
1,323
57 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
1.5 in
Coldest, Driest
February
31°F (-0°C)
1.6 in
March
43°F (6°C)
3.1 in
April
54°F (12°C)
3.9 in
May
63°F (17°C)
4.9 in
Wettest
June
73°F (23°C)
4.4 in
July
77°F (25°C)
4.0 in
Warmest
August
75°F (24°C)
3.7 in
September
67°F (20°C)
4.2 in
October
56°F (13°C)
3.3 in
November
43°F (6°C)
3.0 in
December
31°F (-0°C)
2.3 in
Middle Grove has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in July. Total annual precipitation is 39.9 inches, with May being the wettest month (4.9") and January the driest (1.5").