ZIP Code 45805 Hardiness Zones and Climate Data

ZIP Code 45805 - Lima Ohio is in 2023 USDA Hardiness Zones 6a (-10°F to -5°F) and 6b (-5°F to 0°F)

Additional Gardening Related Climate Data for ZIP Code 45805 - Lima, Ohio

2023 Hardiness Zone:Zone 6a: -10°F to -5°F
Zone 6b: -5°F to 0°F
2012 Hardiness Zone:Zone 6a: -10°F to -5°F
1990 Hardiness Zone:Zone 1b: -15F to -10F
Average First Frost Date:Oct. 11 - Oct. 20
Average Last Frost Date:May 1 - May 10
Koppen-Geiger Climate Zone:Dfa - Humid Continental Hot Summers
Ecoregion:55a - Clayey High Lime Till Plains
Heat Zone Days: Rare Over 86°F

Annual Climate Data for ZIP Code 45805 - Lima, OH

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)17202939505963615443342341
Avg Max Temp (°F)32374860728084827664503760
Avg Precip (In.)2.21.952.693.463.864.064.13.43.032.43.062.6636.89

Source Data:

2025 plantmaps.com