Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Unity has a cool climate with an average annual temperature of 44°F (7°C). Winters average 15°F in January while summers reach 69°F in July. The area gets 276 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 24.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 1,346 feet.
Temperature
15°F Jan (-10°C)69°F Jul (21°C)
Annual Average
43.7°F
19% below US avg
January Average
15°F (-10°C)
July Average
69°F (21°C)
Sunny Days
276 days/yr
Geography
Elevation
1,346 ft (410 m)
Area
1.0 sq mi (2.6 km²)
Population Density
377/sq mi
Coordinates
44.8511°N, 90.3131°W
Timezone
America/Chicago
County
Clark County County
Nearest Airport
Chippewa Valley Regional (EAU) 57 miles away
Precipitation & Snow
Annual Rainfall24.9"
34% below US avg
Wettest Month (Sep)4.33"
Driest Month (Feb)0.87"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
68.5 / 100
Social Vulnerability
91.9 / 100
Community Resilience
30.0 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
No Rating
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Low
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Moderate
Ice Storm
Relatively Low
Drought
Very Low
Cold Wave
Relatively High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990.
Strongest on record: M2.5.
Jan 7, 2024
3 km NE of Mole Lake, Wisconsin
M2.5
129 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
284 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 26 fatalities, 292 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 31, 1977
EF4
19 km
31.8 mi
0
Jul 30, 1977
EF4
100 km
19.0 mi
0
Jun 4, 1958
EF4
76 km
59.2 mi
4
Jun 4, 1958
EF4
92 km
11.1 mi
3
Sep 26, 1951
EF4
99 km
26.4 mi
6
Jun 25, 1950
EF4
99 km
13.1 mi
2
Apr 10, 2011
EF3
44 km
21.2 mi
0
Sep 2, 2002
EF3
94 km
16.0 mi
0
Aug 27, 1994
EF3
90 km
10.0 mi
2
Aug 27, 1994
EF3
89 km
10.5 mi
2
Apr 27, 1984
EF3
99 km
29.0 mi
1
Jul 3, 1983
EF3
86 km
1.0 mi
0
Jul 15, 1980
EF3
95 km
1.0 mi
1
Sep 28, 1971
EF3
57 km
49.6 mi
0
Sep 28, 1971
EF3
60 km
78.4 mi
0
Jun 4, 1958
EF3
68 km
4.3 mi
0
May 3, 1955
EF3
71 km
6.8 mi
0
Dec 15, 2021
EF2
51 km
2.8 mi
0
Dec 15, 2021
EF2
55 km
3.1 mi
0
Dec 15, 2021
EF2
53 km
7.4 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: COTTONVILLE INCIDENT (3,466 acres, 2005).
Year
Name
Acres Burned
Distance
2005
COTTONVILLE INCIDENT
3,466
94 km
1987
BIG BURN
3,154
77 km
2024
2024 DOD HARDWOOD RANGE RX
2,717
71 km
1994
BIG BURN
2,248
78 km
2023
2023 RX
1,992
71 km
1997
BIG BURN
1,642
76 km
2004
POOL ONE NORTH
1,576
88 km
1998
UNNAMED
1,297
77 km
2021
2021 DOD HARDWOOD RANGE RX
987
71 km
2007
UNNAMED
981
87 km
2003
UNNAMED
901
78 km
1998
PR 17
896
88 km
2007
UNNAMED
875
88 km
2009
UNNAMED
867
87 km
2007
PR 16
778
78 km
2006
PR 17 RX FIRE
701
78 km
2005
UNNAMED
657
84 km
2003
PR 17
632
77 km
2009
UNNAMED
589
81 km
2004
UNNAMED
580
74 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
15°F (-10°C)
1.0 in
Coldest
February
15°F (-9°C)
0.9 in
Driest
March
27°F (-3°C)
1.8 in
April
42°F (5°C)
2.6 in
May
54°F (12°C)
3.6 in
June
63°F (17°C)
4.2 in
July
69°F (21°C)
4.0 in
Warmest
August
66°F (19°C)
4.3 in
September
57°F (14°C)
4.3 in
Wettest
October
46°F (8°C)
2.6 in
November
31°F (-1°C)
2.1 in
December
16°F (-9°C)
1.3 in
Unity has a seasonal temperature swing of 54°F / from 15°F in January to 69°F in July. Total annual precipitation is 32.8 inches, with September being the wettest month (4.3") and February the driest (0.9").