ZIP Code 04444 Hardiness Zones and Climate Data

ZIP Code 04444 - Hampden Maine is in 2023 USDA Hardiness Zones 5a (-20°F to -15°F)

Additional Gardening Related Climate Data for ZIP Code 04444 - Hampden, Maine

2023 Hardiness Zone:Zone 5a: -20°F to -15°F
2012 Hardiness Zone:Zone 5a: -20°F to -15°F
Zone 5b: -15°F to -10°F
1990 Hardiness Zone:Zone 5a: -20F to -15F
Average First Frost Date:Oct. 1 - Oct. 10
Average Last Frost Date:May 21 - May 31
Koppen-Geiger Climate Zone:Dfb - Humid Continental Mild Summer, Wet All Year
Ecoregion:82h - Penobscot Lowlands
Heat Zone Days: Rare Over 86°F

Annual Climate Data for ZIP Code 04444 - Hampden, ME

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)8112233435358574837291534
Avg Max Temp (°F)28314052657479786957453354
Avg Precip (In.)3.422.63.513.383.453.463.243.053.483.493.793.4440.31

Source Data:

2025 plantmaps.com