When is the last frost in Christmas Valley, OR?

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

When is the first frost in Christmas Valley, OR?

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 97641Christmas Valley, OR

Frost is possible in any month near Christmas Valley, based on NOAA 1991-2020 records for the The Poplars, OR 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)	—	—	35 days	100%
Frost / freeze (32°F)	—	—	64 days	100%
Hard freeze (28°F)	May 17 · Jun 7 · Jun 28	Aug 22 · Sep 11 · Sep 27	95 days	100%

Where these dates come from

ZIP code 97641 is matched to the NOAA station The Poplars, OR, 25.1 km away, at 4,310 ft elevation (11 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
The Poplars, OR (used)	4,310 ft	—	—
Summer Lake 1 S, OR	4,192 ft	Jun 8	Sep 15
Silver Lake Rs, OR	4,385 ft	—	—
Alkali Lake, OR	4,332 ft	Jun 10	Sep 14

Frost dates near Christmas Valley

Silver Lake, OR 97638 · last —, first —
Summer Lake, OR 97640 · last Jun 8, first Sep 15
Fort Rock, OR 97735 · last —, first —
Paisley, OR 97636 · last Jun 6, first Sep 14
Brothers, OR 97712 · last —, first —
Riley, OR 97758 · last Jun 11, first Sep 28
La Pine, OR 97739 · last Jun 7, first Sep 18
Gilchrist, OR 97737 · last Jun 7, first Sep 18

Frequently asked questions

When is the last frost in Christmas Valley, OR?: Frost is possible in any month at the nearest NOAA station (The Poplars, OR), so there is no reliable average last frost date.
When is the first frost in Christmas Valley, OR?: 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.