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Weather in San Simon, AZ · National Weather Service + NOAA

San Simon has hot summers

San Simon has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 98°, a January night drops to 28°, and about 1 inches of snow falls in a normal winter. In November, a normal day reaches 70° and a normal night drops to 35°.

Winter 62°/29°Spring 81°/43°Summer 97°/64°Fall 81°/47°
Right now
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Sunrise 8:38 am · sunset 7:22 pm

Getting the latest forecast from the National Weather Service…

What stands out about San Simon’s weather

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

Climate →
Hot summersJuly afternoons average 98°, hotter than 98% of U.S. towns.A dry climateJust 10 inches of rain and melted snow a year, less than 98% of U.S. towns.Plenty of 90° daysAbout 134 days a year reach 90°.Air-conditioning countryMore cooling degree days than 88% of U.S. towns.
A normal year

Where today sits in San Simon’s year

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

Full climate →
Winter
62° / 29°
Snow is rare
Spring
81° / 43°
Last frost around Apr 16
Summer
97° / 64°
134 days reach 90° in a normal year
Fall now
81° / 47°
First frost around Nov 2
Pastthe usual first frost (Nov 2). Last frost next spring: Apr 16
Best months to be outside
AprOct
Highs of 62–84° and lows of 40° or more
How much snow does San Simon get?About 1 inches a winter.When is it wettest?August, with 2.0 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 San Simon.

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 San Simon itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at San Simon, AZ (2 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.