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Weather in Mammoth, AZ · National Weather Service + NOAA

Mammoth has hot summers

Mammoth has mild winters and hot summers, with very little rain. A typical July afternoon reaches 96°, a January night drops to 37°, and snow is almost unheard of. Normal November highs come to 69°, and lows to 45°.

Winter 61°/38°Spring 78°/50°Summer 96°/69°Fall 80°/55°
Right now
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Sunrise 6:41 am · sunset 5:31 pm

Getting the latest forecast from the National Weather Service…

What stands out about Mammoth’s weather

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

Climate →
Hot summersJuly afternoons average 96°, hotter than 98% of U.S. towns.Snow is rareAbout 0.7 inches in a normal year, so most winters see none.A dry climateJust 14 inches of rain and melted snow a year, less than 94% of U.S. towns.Plenty of 90° daysAbout 116 days a year reach 90°.
A normal year

Where today sits in Mammoth’s year

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

Full climate →
Winter
61° / 38°
Snow is rare
Spring
78° / 50°
Last frost around Feb 4
Summer
96° / 69°
116 days reach 90° in a normal year
Fall now
80° / 55°
First frost around Dec 8
36 daysuntil the usual first frost (Dec 8)
Best months to be outside
MarAprOctNov
Highs of 62–84° and lows of 40° or more
How much snow does Mammoth get?Almost none.When is it wettest?July, with 2.4 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.

Weather talk

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

Town Square →
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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 Mammoth itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at San Manuel, AZ (8 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.