FrostDateByZip

Frost dates for 99791Atqasuk, AK

Frost is possible in any month near Atqasuk, based on NOAA 1991-2020 records for the Barrow Post Rogers Ap, 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)——10 days100%
Frost / freeze (32°F)——26 days100%
Hard freeze (28°F)——65 days100%

Where these dates come from

ZIP code 99791 is matched to the NOAA station Barrow Post Rogers Ap, AK, 90.9 km away, at 31 ft elevation (54 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
Barrow Post Rogers Ap, AK (used)31 ft——
Wainwright Ap, AK30 ft——
Utqiagvik Formerly Barrow 4 En, AK15 ft——
Nuiqsut Ap, AK57 ft——

Frost dates near Atqasuk

Frequently asked questions

When is the last frost in Atqasuk, AK?
Frost is possible in any month at the nearest NOAA station (Barrow Post Rogers Ap, AK), so there is no reliable average last frost date.
When is the first frost in Atqasuk, 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.