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Weather in Why, AZ · National Weather Service + NOAA

Why has hot summers

Why has warm winters and scorching summers, with very little rain. A typical July afternoon reaches 103°, a January night drops to 40°, and snow is almost unheard of. A typical November afternoon reaches 76°, and nights fall to 47°.

Winter 68°/41°Spring 84°/53°Summer 102°/73°Fall 87°/58°
Right now
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Sunrise 8:50 am · sunset 7:38 pm

Getting the latest forecast from the National Weather Service…

What stands out about Why’s weather

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

Climate →
Hot summersJuly afternoons average 103°, hotter than 100% of U.S. towns.It hardly ever freezesOnly 81% of years see a night at 32° or below.Snow is rareAbout 0.1 inches in a normal year, so most winters see none.Warming faster than mostThe last 30 years averaged 2.5° warmer than the 1900s, a bigger shift than 100% of U.S. towns.
A normal year

Where today sits in Why’s year

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

Full climate →
Winter
68° / 41°
Snow is rare
Spring
84° / 53°
Frost is rare by spring
Summer
102° / 73°
168 days reach 90° in a normal year
Fall now
87° / 58°
Mild well into the fall
Best months to be outside
JanFebMarAprNov
Highs of 62–84° and lows of 40° or more
How much snow does Why get?Almost none.When is it wettest?August, with 1.9 inches.Is it warmer than it used to be?+2.5° vs. the 20th century.

Weather talk

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

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 Why itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Ajo, AZ (11 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.