Weather & Climate in Fredonia, WI

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Fredonia has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°F in January while summers reach 69°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.9 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 847 feet.

Temperature

19°F Jan (-7°C) 69°F Jul (20°C)

Annual Average	45.0°F
	17% below US avg
January Average	19°F (-7°C)
July Average	69°F (20°C)
Sunny Days	260 days/yr

Geography

Elevation	847 ft (258 m)
Area	2.1 sq mi (5.4 km²)
Population Density	1,063/sq mi
Coordinates	43.4717°N, 87.9471°W
Timezone	America/Chicago
County	Ozaukee County County
Nearest Airport	General Mitchell International (MKE) 36 miles away

Precipitation & Snow

Annual Rainfall 34.9"

8% below US avg

Wettest Month (Sep) 3.90"

Driest Month (Feb) 1.06"

Air Quality

AQI Median	38.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	50.3 / 100
Social Vulnerability	10.6 / 100
Community Resilience	100.0 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Very Low
Wildfire	Very Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively Low
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Very Low
Cold Wave	Relatively Moderate
Landslide	Very Low
Coastal Flood	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: M2.9.

Mar 25, 2015	3 km WNW of Lake in the Hills, Illinois	M2.9	147 km	6 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

351 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 20 fatalities, 533 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 18, 1996	EF5	60 km	13.3 mi	0
Jul 5, 1994	EF4	91 km	3.5 mi	0
Apr 27, 1984	EF4	65 km	6.5 mi	1
Apr 27, 1984	EF4	93 km	27.5 mi	1
Apr 4, 1981	EF4	21 km	1.8 mi	3
Apr 21, 1974	EF4	78 km	26.0 mi	0
Aug 22, 1964	EF4	10 km	2.2 mi	0
Apr 3, 1956	EF4	97 km	11.5 mi	7
Jun 23, 2004	EF3	84 km	7.6 mi	1
Jun 23, 2004	EF3	92 km	33.3 mi	0
Jun 5, 1980	EF3	77 km	10.7 mi	0
Apr 7, 1980	EF3	83 km	1.2 mi	0
Jun 5, 1977	EF3	74 km	69.5 mi	0
Apr 21, 1974	EF3	65 km	22.2 mi	0
Apr 21, 1974	EF3	65 km	58.6 mi	2
Jun 25, 1950	EF3	97 km	0.1 mi	0
Aug 28, 2018	EF2	49 km	3.9 mi	0
Apr 10, 2011	EF2	92 km	1.5 mi	0
Jul 22, 2010	EF2	71 km	1.0 mi	0
Jun 21, 2010	EF2	81 km	5.2 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

7 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,524 acres, 2006).

Year	Name	Acres Burned	Distance
2006	UNNAMED	1,524	54 km
2010	RX BURN	1,236	54 km
1994	SOMMERS	938	60 km
1988	PEACHY RD	812	59 km
2006	UNNAMED	612	61 km
2007	TOWER RD 2	592	59 km
2024	RX-HWY Y - SOUTH	553	86 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	19°F (-7°C)	1.3 in	Coldest
February	23°F (-5°C)	1.1 in	Driest
March	33°F (0°C)	2.1 in
April	44°F (7°C)	3.0 in
May	55°F (13°C)	2.8 in
June	65°F (18°C)	3.2 in
July	69°F (20°C)	3.5 in	Warmest
August	69°F (20°C)	3.8 in
September	61°F (16°C)	3.9 in	Wettest
October	50°F (10°C)	2.5 in
November	37°F (3°C)	2.3 in
December	25°F (-4°C)	1.9 in

Fredonia has a seasonal temperature swing of 49°F / from 19°F in January to 69°F in July. Total annual precipitation is 31.3 inches, with September being the wettest month (3.9") and February the driest (1.1").

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