Allendale County

30 Year Climate Normals (Allendale)
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000 76.8 F 63.4 F 49.9 F 46.6 Inches 1930 2503
1981-2010 76.8 F 64.0 F 51.1 F 46.3 Inches 2059 2436
1991-2020 75.8 F 63.4 F 50.9 F 48.81 Inches 1930 2497

Temperature Records (1981-2020)


Highest Maximum: 106 F August 22, 1983, June 30, 1998, July 12, 2000
Lowest Minimum: -2 F January 21, 1985

Precipitation Records (1899-2020)


Highest Daily Rainfall (COOP): 8.00 inches June 27, 1993
Highest Daily Rainfall (CoCoRaHS): 6.33 inches October 8, 2016 at Allendale 1.7 SE
Wettest Year: 2013, 63.57 inches; Allendale 2 NW
Driest Year: 1996, 33.20 inches; Allendale 2 NW
Highest Daily Snowfall: 5.2 inches, February 13, 2010; Allendale 2 NW

Severe Weather Events- Countywide

Tornado

16 Tornadoes (1950-2020)
  • E/F0: 5
  • E/F1: 7
  • E/F2: 4
  • E/F3: 0
  • E/F4: 0
    • Period Of Record: 1950-2020
    Strongest: F2 on April 15, 1999 and September 22, 2000; EF2 on March 15, 2005 and April 10, 2009
    1 tornado related fatality
    6 tornado related injuries
    Total Damage Costs:$4.8 Million

    Thunderstorm, High, and Strong Wind Events

    160 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
  • 157 Thunderstorm wind events
  • 1 High wind event
  • 2 Strong wind events
    • 0 Wind-related fatalities
    0 Wind-related injuries
    Total Damage Costs: $275,750

    Hail (>1.0 inch)


    17 Hail events (1955-2020)

    Lightning


    3 Lightning events (1993-2020)
    0 Lightning related fatalities
    0 Lightning related injuries
    Total Damage Costs: $32,000

    Flood

    12 Total Flood Events (1993-2020)
  • 0 Flood Events
  • 0 Coastal Flood Events
  • 12 Flash Flood Events
    • 0 Flood-related fatalities
    0 Flood-related injuries
    Total Damage Costs: $55,000

    Winter Weather-Related Events

    14 Total Winter Weather-Related Events
  • 0 Winter storm events
  • 8 Ice storm events
  • 4 Heavy snow events
  • 1 Frost/freeze event
  • 0 Winter weather events
  • 1 Cold/wind chill event
    • 0 Winter weather-related fatalities
    0 Winter weather-related injuries
    Total Damage Costs: $89,000