When is the last frost in Pinedale, WY?

Frost is possible in any month at the nearest NOAA station (Pinedale, WY), so there is no reliable average last frost date.

When is the first frost in Pinedale, WY?

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 82941Pinedale, WY

Frost is possible in any month near Pinedale, based on NOAA 1991-2020 records for the Pinedale, WY 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)	—	—	28 days	100%
Frost / freeze (32°F)	—	—	58 days	100%
Hard freeze (28°F)	May 22 · Jun 5 · Jun 23	Aug 22 · Sep 4 · Sep 17	88 days	100%

Where these dates come from

ZIP code 82941 is matched to the NOAA station Pinedale, WY, 2.2 km away, at 7,210 ft elevation (64 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Pinedale, WY (used)	7,210 ft	—	—
Cora, WY	7,347 ft	—	—
Boulder Rearing Stn, WY	6,940 ft	—	—
Daniel Fish Hatchery, WY	7,341 ft	—	—

Frost dates near Pinedale

Daniel, WY 83115 · last —, first —
Big Piney, WY 83113 · last —, first —
Boulder, WY 82923 · last —, first —
Cora, WY 82925 · last —, first —
Bondurant, WY 82922 · last —, first —
Crowheart, WY 82512 · last Jun 1, first Sep 14
La Barge, WY 83123 · last Jun 9, first Sep 4
Dubois, WY 82513 · last —, first —

Frequently asked questions

When is the last frost in Pinedale, WY?: Frost is possible in any month at the nearest NOAA station (Pinedale, WY), so there is no reliable average last frost date.
When is the first frost in Pinedale, WY?: 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.