When is the last frost in Meeteetse, WY?

Frost is possible in any month at the nearest NOAA station (Sunshine 3Ne, WY), so there is no reliable average last frost date.

When is the first frost in Meeteetse, 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 82433Meeteetse, WY

Frost is possible in any month near Meeteetse, based on NOAA 1991-2020 records for the Sunshine 3Ne, 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)	—	—	50 days	100%
Frost / freeze (32°F)	—	—	80 days	100%
Hard freeze (28°F)	May 13 · May 30 · Jun 15	Sep 5 · Sep 18 · Oct 1	111 days	100%

Where these dates come from

ZIP code 82433 is matched to the NOAA station Sunshine 3Ne, WY, 13.4 km away, at 6,224 ft elevation (181 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Sunshine 3Ne, WY (used)	6,224 ft	—	—
Cody 12Se, WY	5,248 ft	May 24	Sep 15
Cody, WY	5,280 ft	May 12	Oct 1
Cody 21 Sw, WY	5,840 ft	May 29	Sep 18

Frost dates near Meeteetse

Cody, WY 82414 · last May 17, first Oct 3
Wapiti, WY 82450 · last May 27, first Sep 25
Burlington, WY 82411 · last May 12, first Sep 28
Emblem, WY 82422 · last May 12, first Sep 28
Otto, WY 82434 · last May 12, first Sep 28
Ralston, WY 82440 · last May 15, first Sep 25
Powell, WY 82435 · last May 19, first Sep 20
Thermopolis, WY 82443 · last May 5, first Oct 5

Frequently asked questions

When is the last frost in Meeteetse, WY?: Frost is possible in any month at the nearest NOAA station (Sunshine 3Ne, WY), so there is no reliable average last frost date.
When is the first frost in Meeteetse, 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.