FrostDateByZip

Frost dates for 80932Colorado Springs, CO

The average last spring frost in Colorado Springs is May 3 and the average first fall frost is October 8, giving a typical growing season of about 158 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 3

Safer after May 15 (1-in-10 risk)

Average first fall frost
Oct 8

Possible by Sep 26 (1-in-10 risk)

Growing season
158 days

Last frost typically in 198 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)May 3 · May 14 · May 26Sep 17 · Oct 1 · Oct 12139 days100%
Frost / freeze (32°F)Apr 22 · May 3 · May 15Sep 26 · Oct 8 · Oct 19158 days100%
Hard freeze (28°F)Apr 8 · Apr 24 · May 5Oct 4 · Oct 16 · Oct 29176 days100%

Planting calendar for Colorado Springs

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 indoorsApr 2 – Jun 8
TomatoesTransplant outdoorsMay 19 – Jun 18
PeppersStart seeds indoorsApr 2 – May 3
PeppersTransplant outdoorsJun 2 – Jul 3
EggplantStart seeds indoorsApr 19 – May 18
EggplantTransplant outdoorsJun 2 – Jul 3
CucumbersSow outdoorsJun 2 – Jun 28
Summer squashSow outdoorsMay 19 – Jul 3
Winter squash & pumpkinsSow outdoorsJun 2 – Jul 3
Snap beansSow outdoorsMay 19 – Jul 21
Sweet cornSow outdoorsMay 19 – Jun 18
Watermelon & cantaloupeSow outdoorsJun 2 – Jul 3
OkraSow outdoorsMay 26 – Jun 18
PeasSow outdoors (spring)Apr 2 – May 18
PotatoesPlant outdoors (spring)Apr 2 – Jun 2
OnionsStart seeds indoors (spring)Feb 19 – Mar 18
OnionsTransplant outdoors (spring)Apr 19 – May 18
BroccoliStart seeds indoors (spring)Mar 15 – Apr 18
BroccoliTransplant outdoors (spring)Apr 19 – May 18
BroccoliStart seeds indoors (fall)Jun 8 – Jun 18
BroccoliTransplant outdoors (fall)Jul 8 – Jul 19
CabbageStart seeds indoors (spring)Mar 5 – Apr 2
CabbageTransplant outdoors (spring)Apr 2 – May 3
CabbageStart seeds indoors (fall)May 29 – Jun 28
CabbageTransplant outdoors (fall)Jun 28 – Jul 29
Leaf lettuceSow outdoors (spring)Apr 2 – Jun 18
Leaf lettuceSow outdoors (fall)Jun 28 – Aug 14
SpinachSow outdoors (spring)Mar 26 – May 9
SpinachSow outdoors (fall)Jul 15 – Aug 19
RadishesSow outdoors (spring)Apr 2 – May 23
RadishesSow outdoors (fall)Jun 28 – Aug 29
KaleSow outdoors (spring)Apr 19 – May 9
KaleSow outdoors (fall)Jun 21 – Jul 29
CarrotsSow outdoors (spring)May 3 – Jun 18
CarrotsSow outdoors (fall)May 29 – Jul 14
GarlicPlant outdoors (fall)Sep 28 – Oct 29

Where these dates come from

ZIP code 80932 is matched to the NOAA station Colorado Springs Muni Ap, CO, 11.8 km away, at 6,181 ft elevation (174 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Colorado Springs Muni Ap, CO (used)6,181 ftMay 3Oct 8
Ruxton Park, CO9,060 ftJun 3Sep 17
Cumbre Vista - Colorado Spgs 1, CO6,942 ftMay 9Oct 6
Black Forest 6Wnw, CO6,957 ftMay 11Oct 6

Frost dates near Colorado Springs

Frequently asked questions

When is the last frost in Colorado Springs, CO?
For ZIP code 80932, the average last spring frost (32°F) is May 3, based on NOAA 1991-2020 climate normals for the Colorado Springs Muni Ap, CO weather station. There is a 1-in-10 chance of a frost after May 15.
When is the first frost in Colorado Springs, CO?
The average first fall frost (32°F) is October 8. There is a 1-in-10 chance of frost by September 26, so tender plants are at risk from that point on.
How long is the growing season in 80932?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 158 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.