FrostDateByZip

Frost dates for 81325Egnar, CO

The average last spring frost in Egnar is June 3 and the average first fall frost is September 25, giving a typical growing season of about 113 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jun 3

Safer after Jun 19 (1-in-10 risk)

Average first fall frost
Sep 25

Possible by Sep 12 (1-in-10 risk)

Growing season
113 days

Last frost typically in 219 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jun 2 · Jun 16 · Jun 30Sep 3 · Sep 16 · Sep 2890 days100%
Frost / freeze (32°F)May 19 · Jun 3 · Jun 19Sep 12 · Sep 25 · Oct 6113 days100%
Hard freeze (28°F)May 3 · May 21 · Jun 6Sep 22 · Oct 4 · Oct 17135 days100%

Planting calendar for Egnar

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsMay 3 – Jul 9
TomatoesTransplant outdoorsJun 19 – Jun 5
PeppersStart seeds indoorsMay 3 – Jun 3
PeppersTransplant outdoorsJul 3 – Aug 3
EggplantStart seeds indoorsMay 20 – Jun 18
EggplantTransplant outdoorsJul 3 – Aug 3
CucumbersSow outdoorsJul 3 – Jun 15
Summer squashSow outdoorsJun 19 – Aug 3
Winter squash & pumpkinsSow outdoorsJul 3 – Aug 3
Snap beansSow outdoorsJun 19 – Jul 8
Sweet cornSow outdoorsJun 19 – Jun 5
Watermelon & cantaloupeSow outdoorsJul 3 – Aug 3
OkraSow outdoorsJun 26 – Jul 19
PeasSow outdoors (spring)May 3 – Jun 18
PotatoesPlant outdoors (spring)May 3 – Jul 3
OnionsStart seeds indoors (spring)Mar 22 – Apr 18
OnionsTransplant outdoors (spring)May 20 – Jun 18
BroccoliStart seeds indoors (spring)Apr 15 – May 19
BroccoliTransplant outdoors (spring)May 20 – Jun 18
BroccoliStart seeds indoors (fall)May 26 – Jun 5
BroccoliTransplant outdoors (fall)Jun 25 – Jul 6
CabbageStart seeds indoors (spring)Apr 5 – May 3
CabbageTransplant outdoors (spring)May 3 – Jun 3
CabbageStart seeds indoors (fall)May 16 – Jun 15
CabbageTransplant outdoors (fall)Jun 15 – Jul 16
Leaf lettuceSow outdoors (spring)May 3 – Jul 19
Leaf lettuceSow outdoors (fall)Jun 15 – Aug 1
SpinachSow outdoors (spring)Apr 26 – Jun 9
SpinachSow outdoors (fall)Jul 2 – Aug 6
RadishesSow outdoors (spring)May 3 – Jun 23
RadishesSow outdoors (fall)Jun 15 – Aug 16
KaleSow outdoors (spring)May 20 – Jun 9
KaleSow outdoors (fall)Jun 8 – Jul 16
CarrotsSow outdoors (spring)Jun 3 – Jul 19
CarrotsSow outdoors (fall)May 16 – Jul 1
GarlicPlant outdoors (fall)Sep 15 – Oct 16

Where these dates come from

ZIP code 81325 is matched to the NOAA station Northdale, CO, 15.4 km away, at 6,681 ft elevation (619 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Northdale, CO (used)6,681 ftJun 3Sep 25
Dove Creek, CO6,863 ftMay 11Oct 12
Cedar Pt, UT6,760 ftMay 16Oct 11
Monticello 2E, UT6,820 ftMay 19Oct 2

Frost dates near Egnar

Frequently asked questions

When is the last frost in Egnar, CO?
For ZIP code 81325, the average last spring frost (32°F) is June 3, based on NOAA 1991-2020 climate normals for the Northdale, CO weather station. There is a 1-in-10 chance of a frost after June 19.
When is the first frost in Egnar, CO?
The average first fall frost (32°F) is September 25. There is a 1-in-10 chance of frost by September 12, so tender plants are at risk from that point on.
How long is the growing season in 81325?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 113 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.