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Weather & Climate in Randolph, WI

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

Randolph experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 18°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 36.4 inches. The area receives 45.5 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 956 feet.

Temperature

18°F Jan (-8°C) 72°F Jul (22°C)
Annual Average46.6°F
14% below US avg
January Average18°F (-8°C)
July Average72°F (22°C)
Sunny Days260 days/yr

Geography

Elevation956 ft (291 m)
Area0.5 sq mi (1.2 km²)
Population Density1,269/sq mi
Coordinates43.5395°N, 89.0028°W
TimezoneAmerica/Chicago
CountyColumbia County County
Nearest AirportDane County Regional/Truax Field (MSN)
32 miles away

Precipitation & Snow

Annual Rainfall 36.4"
4% below US avg
Snowfall 45.5"
Wettest Month (Sep) 3.94"
Driest Month (Jan) 1.14"

Air Quality

AQI Median38.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score81.4 / 100
Social Vulnerability24.0 / 100
Community Resilience91.3 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Moderate
Hail Very High
Strong Wind Relatively Moderate
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Relatively Low
Drought Relatively Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Tornado History

572 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 36 fatalities, 729 injuries.

Date Rating Distance Path Fatalities
Jul 18, 1996 EF5 36 km 13.3 mi 0
Apr 27, 1984 EF4 63 km 27.5 mi 1
Apr 27, 1984 EF4 81 km 6.5 mi 1
Apr 4, 1981 EF4 66 km 1.8 mi 3
Apr 21, 1974 EF4 27 km 26.0 mi 0
Aug 22, 1964 EF4 89 km 2.2 mi 0
Apr 3, 1956 EF4 44 km 11.5 mi 7
Sep 26, 1951 EF4 21 km 9.0 mi 1
Sep 26, 1951 EF4 91 km 26.4 mi 6
Jun 16, 2014 EF3 75 km 1.0 mi 0
Aug 18, 2005 EF3 77 km 18.6 mi 1
Jun 23, 2004 EF3 20 km 33.3 mi 0
Jun 23, 2004 EF3 15 km 7.6 mi 1
Aug 27, 1994 EF3 96 km 10.5 mi 2
Aug 29, 1992 EF3 72 km 28.0 mi 1
Jun 17, 1992 EF3 85 km 16.0 mi 0
Jun 8, 1984 EF3 21 km 29.0 mi 0
Jun 5, 1980 EF3 49 km 10.7 mi 0
Apr 7, 1980 EF3 7 km 1.2 mi 0
Jun 5, 1977 EF3 38 km 69.5 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

10 wildfires (100+ acres) recorded within 100 km. Largest: COTTONVILLE INCIDENT (3,466 acres, 2005).

Year Name Acres Burned Distance
2005 COTTONVILLE INCIDENT 3,466 87 km
2006 UNNAMED 1,524 31 km
2010 RX BURN 1,236 31 km
1994 SOMMERS 938 26 km
1988 PEACHY RD 812 27 km
2018 2018 BADGER RX BURNS 659 63 km
2019 2019 BADGER RX BURNS 627 63 km
2006 UNNAMED 612 26 km
2007 TOWER RD 2 592 27 km
2024 RX-HWY Y - SOUTH 553 67 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 18°F (-8°C) 1.1 in Coldest, Driest
February 21°F (-6°C) 1.1 in
March 32°F (0°C) 2.2 in
April 45°F (7°C) 3.2 in
May 58°F (14°C) 3.4 in
June 67°F (19°C) 3.8 in
July 72°F (22°C) 3.7 in Warmest
August 69°F (20°C) 3.9 in
September 60°F (16°C) 3.9 in Wettest
October 49°F (9°C) 2.4 in
November 35°F (2°C) 2.3 in
December 22°F (-6°C) 1.6 in

Randolph has a seasonal temperature swing of 54°F / from 18°F in January to 72°F in July. Total annual precipitation is 32.5 inches, with September being the wettest month (3.9") and January the driest (1.1").

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