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Weather in Star Valley, AZ · National Weather Service + NOAA

Star Valley is warming faster than most towns

Star Valley has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 93°, a January night drops to 27°, and about 19 inches of snow falls in a normal winter. Normal November highs come to 63°, and lows to 33°.

Winter 56°/27°Spring 71°/39°Summer 91°/59°Fall 75°/44°
Right now
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Sunrise 8:46 am · sunset 7:29 pm

Getting the latest forecast from the National Weather Service…

What stands out about Star Valley’s weather

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

Climate →
Warming faster than mostThe last 30 years averaged 2.0° warmer than the 1900s, a bigger shift than 95% of U.S. towns.Plenty of 90° daysAbout 65 days a year reach 90°.Wetter than most of Arizona21 inches of rain and melted snow a year, more than 438 of 467 Arizona towns.
A normal year

Where today sits in Star Valley’s year

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

Full climate →
Winter
56° / 27°
5 days with an inch or more of snow
Spring
71° / 39°
Last frost around Apr 29
Summer
91° / 59°
65 days reach 90° in a normal year
Fall now
75° / 44°
First frost around Oct 24
Pastthe usual first frost (Oct 24). Last frost next spring: Apr 29
Best months to be outside
MayOct
Highs of 62–84° and lows of 40° or more
How much snow does Star Valley get?About 19 inches a winter.When is it wettest?August, with 2.7 inches.Is it warmer than it used to be?+2.0° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Star Valley.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Star Valley itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Payson, AZ (7 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.