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

Green Valley has hot summers

Green Valley has mild winters and hot summers, with very little rain. A typical July afternoon reaches 97°, a January night drops to 36°, and snow is almost unheard of. In November, a normal day reaches 74° and a normal night drops to 42°.

Winter 66°/37°Spring 82°/49°Summer 97°/69°Fall 84°/53°
Right now
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Sunrise 8:42 am · sunset 7:32 pm

Getting the latest forecast from the National Weather Service…

What stands out about Green Valley’s weather

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

Climate →
Hot summersJuly afternoons average 97°, hotter than 98% of U.S. towns.Snow is rareAbout 0.1 inches in a normal year, so most winters see none.A dry climateJust 13 inches of rain and melted snow a year, less than 96% of U.S. towns.Plenty of 90° daysAbout 151 days a year reach 90°.
A normal year

Where today sits in Green Valley’s year

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

Full climate →
Winter
66° / 37°
Snow is rare
Spring
82° / 49°
Last frost around Feb 25
Summer
97° / 69°
151 days reach 90° in a normal year
Fall now
84° / 53°
First frost around Nov 27
24 daysuntil the usual first frost (Nov 27)
Best months to be outside
MarAprNov
Highs of 62–84° and lows of 40° or more
How much snow does Green Valley get?Almost none.When is it wettest?July, with 2.9 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 Green Valley.

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 Green Valley itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Green Valley, AZ (4 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.