Frost dates for 97638Silver Lake, OR
Frost is possible in any month near Silver Lake, based on NOAA 1991-2020 records for the Silver Lake Rs, 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.
| 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) | — | — | 37 days | 100% |
| Frost / freeze (32°F) | — | — | 63 days | 100% |
| Hard freeze (28°F) | — | — | 94 days | 100% |
Where these dates come from
ZIP code 97638 is matched to the NOAA station Silver Lake Rs, OR, 5.4 km away, at 4,385 ft elevation (64 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Silver Lake Rs, OR (used) | 4,385 ft | — | — |
| The Poplars, OR | 4,310 ft | — | — |
| Summer Lake 1 S, OR | 4,192 ft | Jun 8 | Sep 15 |
| Paisley, OR | 4,360 ft | Jun 6 | Sep 14 |
Frost dates near Silver Lake
- Fort Rock, OR 97735 · last —, first —
- Summer Lake, OR 97640 · last Jun 8, first Sep 15
- Christmas Valley, OR 97641 · last —, first —
- Paisley, OR 97636 · last Jun 6, first Sep 14
- Chemult, OR 97731 · last —, first —
- Crescent, OR 97733 · last Jun 7, first Sep 18
- Gilchrist, OR 97737 · last Jun 7, first Sep 18
- La Pine, OR 97739 · last Jun 7, first Sep 18
Frequently asked questions
- When is the last frost in Silver Lake, OR?
- Frost is possible in any month at the nearest NOAA station (Silver Lake Rs, OR), so there is no reliable average last frost date.
- When is the first frost in Silver Lake, 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.