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Weather in Big Delta, AK · National Weather Service + NOAA

Big Delta has real winters

Big Delta has cold, snowy winters and cool summers, with very little rain. A typical July afternoon reaches 70°, a January night drops to -16°, and about 43 inches of snow falls in a normal winter. Normal November highs come to 12°, and lows to -5°.

Winter 7°/-12°Spring 42°/14°Summer 68°/43°Fall 32°/12°
Right now
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Sunrise 12:30 pm · sunset 8:22 pm

Getting the latest forecast from the National Weather Service…

What stands out about Big Delta’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Real wintersJanuary nights average -16°, colder than 100% of U.S. towns.It hardly ever freezesOnly 100% of years see a night at 32° or below.Cool summersJuly afternoons average 70°, cooler than 99% of U.S. towns.A dry climateJust 13 inches of rain and melted snow a year, less than 96% of U.S. towns.
A normal year

Where today sits in Big Delta’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
7° / -12°
16 days with an inch or more of snow
Spring
42° / 14°
Frost is rare by spring
Summer
68° / 43°
90° days are rare
Fall now
32° / 12°
Mild well into the fall
Best months to be outside
JunJulAug
Highs of 62–84° and lows of 40° or more
How much snow does Big Delta get?About 43 inches a winter.When is it wettest?July, with 2.8 inches.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

Road reports, first frosts and storm memories from neighbors in Big Delta.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020. Temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts: the NOAA station at Delta 6 N, AK (2 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.