ZIP 43123 Zone 6b

Ohio · USDA zone 6b, average annual extreme minimum -5°F to 0°F.

Nearest qualified station: COLUMBUS-VALLEY CROSSING, OH US (USC00331783), 10.8 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is April 23. Median first 32°F is October 19. The 50% growing-season length is 177 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

ProbabilityDateHow to read it
90%April 11Earlier date. A last 32°F on or after this day is common.
50%April 23Median.
10%May 8Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

ProbabilityDateHow to read it
10%October 6Earlier date. A first 32°F on or before this day is uncommon.
50%October 19Median.
90%November 1Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this longDays
10%196
50%177
90%158

28°F threshold

10%50%90%
Last, on or afterApril 25April 12March 31
First, on or beforeOctober 16October 30November 12
Season at least218 days200 days181 days

36°F threshold

10%50%90%
Last, on or afterMay 17May 2April 20
First, on or beforeSeptember 25October 8October 22
Season at least176 days159 days138 days

Station COLUMBUS-VALLEY CROSSING, OH US (USC00331783). Completeness flag R, 18 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 231.6 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · Ohio cities