FrostDateByZip

Frost dates for 99722Arctic Village, AK

Frost is possible in any month near Arctic Village, based on NOAA 1991-2020 records for the Chandalar Lake, AK 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.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)——38 days100%
Frost / freeze (32°F)——66 days100%
Hard freeze (28°F)May 15 · May 28 · Jun 8Aug 9 · Aug 22 · Sep 587 days100%

Where these dates come from

ZIP code 99722 is matched to the NOAA station Chandalar Lake, AK, 141.7 km away, at 1,895 ft elevation (169 ft lower than the ZIP code's center). This station is relatively far away, so local dates may differ more than usual. Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Chandalar Lake, AK (used)1,895 ft——
Chandalar Shelf Dot, AK3,250 ft——
Toolik Lake 5 Ene, AK2,461 ft——
Wiseman, AK1,181 ft——

Frequently asked questions

When is the last frost in Arctic Village, AK?
Frost is possible in any month at the nearest NOAA station (Chandalar Lake, AK), so there is no reliable average last frost date.
When is the first frost in Arctic Village, AK?
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.