Delaware County, Ohio · Frost dates

Delaware County frost dates.

First-frost, last-frost, and growing-season length for Delaware County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 6a

32°F — light freeze

Last spring frost

10%
05-10
20%
05-02
50%
04-22
80%
04-13
90%
04-09

First fall frost

10%
10-10
20%
10-14
50%
10-24
80%
11-01
90%
11-05

28°F — killing freeze

Last spring freeze

10%
04-24
20%
04-20
50%
04-09
80%
03-31
90%
03-27

First fall freeze

10%
10-21
20%
10-26
50%
11-03
80%
11-12
90%
11-18

Growing season length (days, 28°F threshold)

Short year
180
Median
208
Long year
236

Source NOAA station

WESTERVILLE, OH US

11.0 mi · 30 yrs of record (19912020) · 802 ft elev.

Data from WESTERVILLE, OH US, 11 miles away with 30-year NOAA record (1991-2020).

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