ZIP Code 49870 Hardiness Zones and Climate Data

ZIP Code 49870 - Norway Michigan is in 2023 USDA Hardiness Zones 5a (-20°F to -15°F) and 4b (-25°F to -20°F)

Additional Gardening Related Climate Data for ZIP Code 49870 - Norway, Michigan

2023 Hardiness Zone:Zone 5a: -20°F to -15°F
Zone 4b: -25°F to -20°F
2012 Hardiness Zone:Zone 4b: -25°F to -20°F
Zone 4a: -30°F to -25°F
1990 Hardiness Zone:Zone 4a: -30F to -25F
Average First Frost Date:Sep. 21 - Sep. 30
Average Last Frost Date:May 21 - May 31
Koppen-Geiger Climate Zone:Dfb - Humid Continental Mild Summer, Wet All Year
Ecoregion:50k - Wisconsin/Michigan Pine Barrens
Heat Zone Days: Rare Over 86°F

Annual Climate Data for ZIP Code 49870 - Norway, MI

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)15162941505554453423930
Avg Max Temp (°F)23293953687680786856402753
Avg Precip (In.)1.3.881.792.273.113.493.543.773.682.612.071.4329.94

Source Data:

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