USDA Hardiness Zone 2b
Frost Dates for 99723 — Barrow, Alaska
Updated
No NOAA station with freeze normals is close enough to ZIP 99723 to say when frost comes here.
- First snow
- August 5
- Last snow
- June 10
- Winters with snow
- 100%
- Snow per year
- 45.8"
median, 1991–2020
median, 1991–2020
29 of 29 observed
NOAA normal
When it snows in Barrow, Alaska
The first measurable snow (0.1 inch or more) in Barrow usually arrives around August 5, and the last of the season around June 10. Those are the middle dates across the winters of 1991–2020 at Barrow Post Rogers Airport, AK, 1.3 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow.
Where these figures come from
ZIP 99723 has no NOAA station with freeze normals within 100 miles.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.