When is the last frost in Mc Dermitt, NV?

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

When is the first frost in Mc Dermitt, NV?

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 89421Mc Dermitt, NV

Frost is possible in any month near Mc Dermitt, based on NOAA 1991-2020 records for the Mcdermitt, NV 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)	—	—	58 days	100%
Frost / freeze (32°F)	—	—	84 days	100%
Hard freeze (28°F)	May 8 · May 27 · Jun 16	Aug 30 · Sep 14 · Oct 1	108 days	100%

Where these dates come from

ZIP code 89421 is matched to the NOAA station Mcdermitt, NV, 4.7 km away, at 4,430 ft elevation (130 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Mcdermitt, NV (used)	4,430 ft	—	—
Orovada 3 W, NV	4,200 ft	Jun 2	Sep 11
Mc Dermitt 26 N, OR	4,464 ft	Jun 4	Sep 26
Kings Rvr Vly - Orovada 26Nw, NV	4,240 ft	May 28	Sep 23

Frost dates near Mc Dermitt

Orovada, NV 89425 · last Jun 2, first Sep 11
Paradise Valley, NV 89426 · last Jun 5, first Sep 13
Fields, OR 97710 · last May 10, first Oct 7
Denio, NV 89404 · last May 30, first Sep 18
Winnemucca, NV 89446 · last May 23, first Sep 29
Arock, OR 97902 · last Jun 11, first Sep 10
Jordan Valley, OR 97910 · last May 22, first Sep 28
Murphy, ID 83650 · last May 31, first Oct 6

Frequently asked questions

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