Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dearborn experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 78°F in July. The area gets 269 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 36.9 inches. The area receives 3.6 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 919 feet.
Temperature
26°F Jan (-3°C)78°F Jul (25°C)
Annual Average
53.3°F
1% below US avg
January Average
26°F (-3°C)
July Average
78°F (25°C)
Sunny Days
269 days/yr
Geography
Elevation
919 ft (280 m)
Area
0.9 sq mi (2.4 km²)
Population Density
665/sq mi
Coordinates
39.5219°N, 94.7700°W
Timezone
America/Chicago
Nearest Airport
Kansas City International (MCI) 16 miles away
Precipitation & Snow
Annual Rainfall36.9"
3% below US avg
Snowfall3.6"
Wettest Month (May)4.88"
Driest Month (Jan)1.02"
Air Quality
AQI Median
41.0
Rating
Good
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.6.
Dec 17, 2009
2 km NW of Auburn, Nebraska
M3.6
135 km
5 km
Jul 16, 2004
6 km SSE of Riverton, Iowa
M3.5
140 km
5 km
May 18, 2005
Missouri
M3.3
137 km
5 km
Mar 23, 2007
5 km N of Nortonville, Kansas
M3.1
49 km
5 km
Feb 11, 1995
6 km E of Clearmont, Missouri
M3.1
110 km
5 km
May 13, 1999
6 km WSW of Kansas City, Kansas
M3.0
47 km
5 km
Mar 31, 1993
2 km SE of Nemaha, Nebraska
M2.9
117 km
5 km
Jul 15, 2025
3 km W of Hale, Missouri
M2.5
119 km
8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
595 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 14 fatalities, 378 injuries.
Date
Rating
Distance
Path
Fatalities
May 28, 2019
EF4
92 km
29.1 mi
0
May 29, 2004
EF4
60 km
22.0 mi
3
May 4, 2003
EF4
41 km
5.0 mi
0
May 4, 2003
EF4
51 km
21.0 mi
2
May 4, 1977
EF4
70 km
48.6 mi
0
May 4, 1977
EF4
53 km
12.0 mi
0
Apr 23, 1975
EF4
71 km
11.4 mi
1
Jun 8, 1966
EF4
53 km
19.9 mi
1
Aug 6, 1962
EF4
87 km
11.0 mi
0
May 7, 1961
EF4
42 km
26.2 mi
0
May 22, 1952
EF4
72 km
26.9 mi
0
Mar 6, 2017
EF3
78 km
17.7 mi
0
May 2, 2008
EF3
35 km
0.9 mi
0
May 29, 2004
EF3
5 km
7.0 mi
0
Apr 26, 1984
EF3
58 km
32.0 mi
0
Jun 19, 1981
EF3
75 km
7.7 mi
1
May 4, 1977
EF3
96 km
31.6 mi
0
May 4, 1977
EF3
93 km
26.2 mi
1
Jun 26, 1969
EF3
40 km
10.1 mi
0
May 15, 1968
EF3
100 km
2.7 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
8 wildfires (100+ acres) recorded within 100 km.
Largest: FY 18 182 ROAD BROADCAST BURN (1,009 acres, 2018).
Year
Name
Acres Burned
Distance
2018
FY 18 182 ROAD BROADCAST BURN
1,009
96 km
2020
MOSQR-FY20-RX-WUI
964
78 km
2012
HIGHWAY E
897
78 km
2016
SQR BM SL DESOTO 2016 WUI RX
866
77 km
1988
NORTH POOL
698
78 km
2020
UNNAMED
645
76 km
2009
UNIT 6
625
75 km
2002
SCRDGRS 6
536
75 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
1.0 in
Coldest, Driest
February
32°F (-0°C)
1.1 in
March
43°F (6°C)
2.4 in
April
54°F (12°C)
3.3 in
May
64°F (18°C)
4.9 in
Wettest
June
73°F (23°C)
4.6 in
July
78°F (25°C)
4.1 in
Warmest
August
75°F (24°C)
4.0 in
September
67°F (20°C)
4.8 in
October
56°F (13°C)
3.2 in
November
42°F (5°C)
2.1 in
December
31°F (-1°C)
1.5 in
Dearborn has a seasonal temperature swing of 51°F / from 26°F in January to 78°F in July. Total annual precipitation is 36.9 inches, with May being the wettest month (4.9") and January the driest (1.0").
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