ZIP Code 20148 Hardiness Zones and Climate Data

ZIP Code 20148 - Ashburn Virginia is in 2023 USDA Hardiness Zones 7b (5°F to 10°F) and 7a (0°F to 5°F)

Additional Gardening Related Climate Data for ZIP Code 20148 - Ashburn, Virginia

2023 Hardiness Zone:Zone 7b: 5°F to 10°F
Zone 7a: 0°F to 5°F
2012 Hardiness Zone:Zone 6b: -5°F to 0°F
Zone 7a: 0°F to 5°F
1990 Hardiness Zone:Zone 6b: -5F to 0F
Average First Frost Date:Oct. 11 - Oct. 20
Average Last Frost Date:May 1 - May 10
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:64b - Trap Rock and Conglomerate Uplands
Current Drought Status:Exceptional Drought
Heat Zone Days: 31 - 45 days Over 86°F

Annual Climate Data for ZIP Code 20148 - Ashburn, VA

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)21233140505964625542332642
Avg Max Temp (°F)42465566758387867968574766
Avg Precip (In.)3.142.693.573.234.223.923.623.773.933.373.323.0941.88

Source Data:

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