ZIP Code 82426 Hardiness Zones and Climate Data

ZIP Code 82426 - Greybull Wyoming is in 2023 USDA Hardiness Zones 5a (-20°F to -15°F), 4b (-25°F to -20°F) and 5b (-15°F to -10°F)

Additional Gardening Related Climate Data for ZIP Code 82426 - Greybull, Wyoming

2023 Hardiness Zone:Zone 5a: -20°F to -15°F
Zone 4b: -25°F to -20°F
Zone 5b: -15°F to -10°F
2012 Hardiness Zone:Zone 5a: -20°F to -15°F
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 11 - May 20
Koppen-Geiger Climate Zone:BSk - Cold Semi-Arid Climate
Ecoregion:18g - Bighorn Salt Desert Shrub Basin
Heat Zone Days: 61 - 90 days Over 86°F

Annual Climate Data for ZIP Code 82426 - Greybull, WY

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)210233242505653423117630
Avg Max Temp (°F)27385161718289887662433160
Avg Precip (In.).44.31.36.681.421.1.58.46.81.59.36.337.44

Source Data:

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