When is the last frost in Parshall, CO?

Frost is possible in any month at the nearest NOAA station (Dillon 1 E, CO), so there is no reliable average last frost date.

When is the first frost in Parshall, CO?

Frost is possible in any month at the nearest NOAA station.

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.

Frost dates for 80468Parshall, CO

Frost is possible in any month near Parshall, based on NOAA 1991-2020 records for the Dillon 1 E, CO station.

Frost is possible in any month. Even summer nights can drop to freezing at this station, so protect tender plants whenever cold nights are forecast.

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.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	—	—	16 days	100%
Frost / freeze (32°F)	—	—	41 days	100%
Hard freeze (28°F)	Jun 5 · Jun 18 · Jul 6	Aug 24 · Sep 6 · Sep 19	78 days	100%

Where these dates come from

ZIP code 80468 is matched to the NOAA station Dillon 1 E, CO, 36.8 km away, at 9,065 ft elevation (295 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Dillon 1 E, CO (used)	9,065 ft	—	—
Williams Fork Dam, CO	7,618 ft	Jun 12	Sep 10
Green Mt Dam, CO	7,741 ft	Jun 6	Sep 14
Fraser, CO	8,560 ft	—	—

Frost dates near Parshall

Hot Sulphur Springs, CO 80451 · last Jun 12, first Sep 10
Granby, CO 80446 · last Jun 13, first Sep 7
Tabernash, CO 80478 · last —, first —
Fraser, CO 80442 · last —, first —
Silverthorne, CO 80498 · last —, first —
Winter Park, CO 80482 · last Jun 21, first Sep 2
Kremmling, CO 80459 · last Jun 14, first Sep 5
Grand Lake, CO 80447 · last —, first —

Frequently asked questions

When is the last frost in Parshall, CO?: Frost is possible in any month at the nearest NOAA station (Dillon 1 E, CO), so there is no reliable average last frost date.
When is the first frost in Parshall, CO?: Frost is possible in any month at the nearest NOAA station.
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.