ZIP Code 57430 Hardiness Zones and Climate Data

ZIP Code 57430 - Britton South Dakota is in 2023 USDA Hardiness Zones 4b (-25°F to -20°F) and 4a (-30°F to -25°F)

Additional Gardening Related Climate Data for ZIP Code 57430 - Britton, South Dakota

2023 Hardiness Zone:Zone 4b: -25°F to -20°F
Zone 4a: -30°F to -25°F
2012 Hardiness Zone:Zone 4a: -30°F to -25°F
1990 Hardiness Zone:Zone 3b: -35F to -30F
Average First Frost Date:Oct. 1 - Oct. 10
Average Last Frost Date:May 11 - May 20
Koppen-Geiger Climate Zone:Dfb - Humid Continental Mild Summer, Wet All Year
Ecoregion:46c - Glacial Lake Basins
Heat Zone Days: 1 - 7 days Over 86°F

Annual Climate Data for ZIP Code 57430 - Britton, SD

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)-17193245545957473519531
Avg Max Temp (°F)20284057717984837360382555
Avg Precip (In.).62.511.051.742.833.453.242.32.051.62.82.3720.6

Source Data:

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