Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vermillion experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 302 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 33.2 inches. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 1,215 feet.
Temperature
26°F Jan (-3°C)77°F Jul (25°C)
Annual Average
52.0°F
4% below US avg
January Average
26°F (-3°C)
July Average
77°F (25°C)
Sunny Days
302 days/yr
Geography
Elevation
1,215 ft (370 m)
Area
0.2 sq mi (0.5 km²)
Population Density
271/sq mi
Coordinates
39.7189°N, 96.2651°W
Timezone
America/Chicago
County
Marshall County County
Nearest Airport
Manhattan Regional (MHK) 45 miles away
Precipitation & Snow
Annual Rainfall33.2"
13% below US avg
Wettest Month (Jun)5.08"
Driest Month (Jan)0.75"
Air Quality
AQI Median
39.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
21.4 / 100
Social Vulnerability
36.3 / 100
Community Resilience
90.8 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
No Rating
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Very Low
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Very Low
Ice Storm
Relatively Moderate
Drought
Relatively Low
Cold Wave
Very Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
42 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.8.
Sep 16, 2019
15 km NW of Elmdale, Kansas
M3.8
143 km
5 km
May 6, 2021
5 km S of Formoso, Kansas
M3.6
148 km
5 km
Dec 17, 2009
2 km NW of Auburn, Nebraska
M3.6
84 km
5 km
Oct 10, 2024
6 km WSW of Woodbine, Kansas
M3.5
123 km
10 km
Mar 12, 2020
6 km NNE of Hope, Kansas
M3.5
128 km
5 km
Jul 16, 2004
6 km SSE of Riverton, Iowa
M3.5
119 km
5 km
May 15, 2025
5 km NNW of Herington, Kansas
M3.5
127 km
5 km
Jan 9, 2013
5 km SE of Formoso, Kansas
M3.3
144 km
5 km
Mar 24, 2020
8 km NNE of Hope, Kansas
M3.3
126 km
5 km
Apr 6, 2023
6 km N of Bennington, Kansas
M3.3
133 km
5 km
May 8, 2021
2 km E of Hope, Kansas
M3.2
133 km
5 km
May 8, 2021
4 km ENE of Hope, Kansas
M3.2
130 km
4 km
Jul 30, 2019
5 km NNE of Kipp, Kansas
M3.2
140 km
5 km
Jul 4, 2020
5 km W of Kipp, Kansas
M3.1
149 km
5 km
May 7, 2021
4 km NE of Hope, Kansas
M3.1
129 km
5 km
Feb 11, 1995
6 km E of Clearmont, Missouri
M3.1
142 km
5 km
Jul 30, 2019
2 km ENE of New Cambria, Kansas
M3.1
140 km
5 km
Mar 23, 2007
5 km N of Nortonville, Kansas
M3.1
84 km
5 km
May 6, 2021
2 km S of Formoso, Kansas
M3.1
148 km
5 km
Mar 22, 2020
2 km WNW of Hope, Kansas
M3.1
134 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
583 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 25 fatalities, 763 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 8, 1966
EF5
94 km
21.1 mi
16
Jun 11, 2008
EF4
76 km
8.6 mi
0
Aug 6, 1962
EF4
47 km
11.0 mi
0
May 19, 1960
EF4
64 km
20.6 mi
0
May 19, 1960
EF4
66 km
27.5 mi
1
Apr 30, 2024
EF3
40 km
2.2 mi
1
May 21, 2019
EF3
36 km
5.9 mi
0
Jun 3, 2014
EF3
34 km
6.3 mi
0
May 28, 2013
EF3
14 km
4.4 mi
0
Jul 24, 1993
EF3
94 km
9.0 mi
0
Apr 26, 1991
EF3
99 km
14.0 mi
0
Apr 26, 1991
EF3
64 km
24.0 mi
0
Apr 26, 1984
EF3
80 km
32.0 mi
0
May 6, 1983
EF3
97 km
19.0 mi
1
May 31, 1978
EF3
45 km
37.0 mi
3
Jun 11, 1967
EF3
80 km
43.9 mi
0
Jun 8, 1966
EF3
84 km
13.8 mi
0
May 11, 1966
EF3
80 km
5.4 mi
0
May 11, 1966
EF3
73 km
9.9 mi
0
Apr 28, 1963
EF3
81 km
4.9 mi
1
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BURLEY HILL (16,381 acres, 2016).
Year
Name
Acres Burned
Distance
2016
BURLEY HILL
16,381
85 km
2023
WAGSTAFF
16,111
97 km
2010
RANGE 51
13,760
73 km
2009
MA-KILO
8,935
72 km
2024
AXELTON-BURKLUND
8,831
43 km
2019
2019-3238A
8,632
73 km
2023
SMITH HILLS
8,445
71 km
2002
UNNAMED
7,758
74 km
2013
UNNAMED
7,465
72 km
2015
IMPACT
7,242
72 km
2014
MOYER RANCH
6,641
84 km
2022
CARLSON
6,101
41 km
2005
OAKS
5,673
42 km
2013
IMPACT COMPLEX
5,233
76 km
1991
UNNAMED
5,159
79 km
2012
CALFEX COMPLEX
5,122
73 km
2017
WARREN ROAD
5,037
70 km
2022
ILLINOIS CREEK
5,008
97 km
2012
UNNAMED
4,425
74 km
2014
SHANNON CREEK
3,954
35 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
0.8 in
Coldest, Driest
February
31°F (-0°C)
0.8 in
March
42°F (6°C)
2.3 in
April
53°F (12°C)
2.9 in
May
64°F (18°C)
4.6 in
June
73°F (23°C)
5.1 in
Wettest
July
77°F (25°C)
3.7 in
Warmest
August
76°F (24°C)
4.1 in
September
67°F (20°C)
4.0 in
October
56°F (13°C)
2.6 in
November
41°F (5°C)
1.7 in
December
30°F (-1°C)
1.1 in
Vermillion has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in July. Total annual precipitation is 33.5 inches, with June being the wettest month (5.1") and January the driest (0.8").