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Weather in Hilmar-Irwin, CA · National Weather Service + NOAA

Hilmar-Irwin has hot summers

Hilmar-Irwin has mild winters and hot summers, with very little rain. A typical July afternoon reaches 95°, a January night drops to 39°, and snow is almost unheard of. In November, a normal day reaches 66° and a normal night drops to 43°.

Winter 58°/40°Spring 75°/49°Summer 93°/61°Fall 78°/51°
Right now
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Sunrise 6:30 am · sunset 5:03 pm

Getting the latest forecast from the National Weather Service…

What stands out about Hilmar-Irwin’s weather

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

Climate →
Hot summersJuly afternoons average 95°, hotter than 96% of U.S. towns.It hardly ever freezesOnly 68% of years see a night at 32° or below.Snow is rareNo measurable snow in a normal year.A dry climateJust 12 inches of rain and melted snow a year, less than 97% of U.S. towns.
A normal year

Where today sits in Hilmar-Irwin’s year

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

Full climate →
Winter
58° / 40°
Snow is rare
Spring
75° / 49°
Frost is rare by spring
Summer
93° / 61°
80 days reach 90° in a normal year
Fall now
78° / 51°
Mild well into the fall
Best months to be outside
FebMarAprMayOctNov
Highs of 62–84° and lows of 40° or more
How much snow does Hilmar-Irwin get?Almost none.When is it wettest?January, with 2.5 inches.Is it warmer than it used to be?+1.6° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Hilmar-Irwin.

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 Hilmar-Irwin itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Turlock #2, CA (7 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.