Union County, New Mexico · Frost dates

Union County frost dates.

First-frost, last-frost, and growing-season length for Union County, New Mexico. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 7b

32°F — light freeze

Last spring frost

10%
05-20
20%
05-14
50%
05-05
80%
04-27
90%
04-23

First fall frost

10%
09-27
20%
10-01
50%
10-09
80%
10-16
90%
10-20

28°F — killing freeze

Last spring freeze

10%
05-09
20%
05-05
50%
04-26
80%
04-16
90%
04-11

First fall freeze

10%
10-04
20%
10-08
50%
10-17
80%
10-25
90%
10-29

Growing season length (days, 28°F threshold)

Short year
148
Median
174
Long year
201

Source NOAA station

GRENVILLE, NM US

10.8 mi · 30 yrs of record (19912020) · 6002 ft elev.

Data from GRENVILLE, NM US, 10.8 miles away with 30-year NOAA record (1991-2020).

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