Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vadnais Heights experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 17°F in January while summers reach 74°F in July. The area gets 270 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 33.1 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 895 feet.
Temperature
17°F Jan (-9°C)74°F Jul (23°C)
Annual Average
46.9°F
13% below US avg
January Average
17°F (-9°C)
July Average
74°F (23°C)
Sunny Days
270 days/yr
Geography
Elevation
895 ft (273 m)
Area
8.2 sq mi (21.3 km²)
Population Density
1,835/sq mi
Coordinates
45.0579°N, 93.0665°W
Timezone
America/Chicago
County
Ramsey County County
Nearest Airport
Minneapolis-St Paul International/Wold-Chamberlain (MSP) 14 miles away
Precipitation & Snow
Annual Rainfall33.1"
13% below US avg
Wettest Month (Jun)4.37"
Driest Month (Feb)0.79"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
94.6 / 100
Social Vulnerability
27.4 / 100
Community Resilience
93.5 / 100
Hazard Breakdown
Tornado
Relatively High
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively High
Hail
Relatively High
Strong Wind
Relatively High
Heat Wave
Relatively High
Winter Weather
Relatively High
Lightning
Relatively Moderate
Ice Storm
Relatively Moderate
Drought
Very Low
Cold Wave
Very High
Landslide
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990.
Strongest on record: M2.8.
Apr 25, 2017
Near Mankato, Minnesota
M2.8
122 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
483 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 60 fatalities, 1,204 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 4, 1958
EF5
61 km
33.7 mi
21
Jul 3, 1983
EF4
27 km
1.0 mi
0
May 6, 1965
EF4
62 km
12.3 mi
3
May 6, 1965
EF4
26 km
17.3 mi
6
May 6, 1965
EF4
17 km
6.8 mi
3
May 6, 1965
EF4
43 km
6.9 mi
0
May 21, 1957
EF4
60 km
9.2 mi
0
May 16, 2017
EF3
74 km
82.5 mi
1
May 25, 2008
EF3
14 km
6.0 mi
1
Jun 18, 2001
EF3
87 km
34.0 mi
2
Jul 1, 1997
EF3
75 km
5.0 mi
0
Jun 16, 1992
EF3
92 km
10.0 mi
0
Jul 27, 1987
EF3
61 km
30.0 mi
0
Jul 23, 1987
EF3
34 km
5.0 mi
0
Apr 26, 1984
EF3
14 km
5.5 mi
1
Jun 14, 1981
EF3
31 km
16.2 mi
1
Jul 30, 1977
EF3
68 km
9.1 mi
0
May 6, 1965
EF3
97 km
15.5 mi
0
May 24, 1958
EF3
14 km
59.4 mi
0
Jun 23, 1952
EF3
53 km
18.2 mi
2
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: UNIT 4 (5,887 acres, 2002).
Year
Name
Acres Burned
Distance
2002
UNIT 4
5,887
75 km
2003
UNITS 37 38 39 A
4,879
67 km
1998
UNITS 1617
4,649
71 km
2005
RX HFR 05
4,253
71 km
2009
BU9
4,112
75 km
2007
WUI 07 - UNIT 36
4,025
66 km
2000
UNIT 25
3,412
66 km
2009
BU11
3,242
72 km
1997
BIG
2,987
69 km
2009
UNNAMED
2,904
23 km
2003
UNITS 34 33 W
2,637
67 km
2024
UNIT 8E RX
2,551
73 km
1992
SHARPTAIL
2,288
67 km
2024
RX-86_FY23
2,187
99 km
2010
WUI 10 UNIT D
2,042
67 km
1996
UNNAMED
1,906
66 km
2000
UNNAMED
1,850
81 km
2006
UNIT 4
1,732
75 km
2009
UNIT 23 24 26
1,644
69 km
1995
ANTLER
1,603
66 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
17°F (-9°C)
0.9 in
Coldest
February
19°F (-7°C)
0.8 in
Driest
March
31°F (-0°C)
1.7 in
April
46°F (8°C)
2.4 in
May
59°F (15°C)
3.3 in
June
68°F (20°C)
4.4 in
Wettest
July
74°F (23°C)
3.9 in
Warmest
August
70°F (21°C)
4.1 in
September
61°F (16°C)
3.2 in
October
49°F (9°C)
2.4 in
November
32°F (0°C)
1.7 in
December
18°F (-8°C)
1.0 in
Vadnais Heights has a seasonal temperature swing of 57°F / from 17°F in January to 74°F in July. Total annual precipitation is 29.7 inches, with June being the wettest month (4.4") and February the driest (0.8").