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Weather in Palermo, CA · National Weather Service + NOAA

Palermo has hot summers

Palermo has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 39°. A typical November afternoon reaches 65°, and nights fall to 44°.

Winter 58°/40°Spring 74°/48°Summer 93°/61°Fall 78°/51°
Right now
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Sunrise 9:35 am · sunset 8:03 pm

Getting the latest forecast from the National Weather Service…

What stands out about Palermo’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.The coldest spot aroundColder January nights than all 4 towns around it.Plenty of 90° daysAbout 97 days a year reach 90°.
A normal year

Where today sits in Palermo’s year

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

Full climate →
Winter
58° / 40°
Snow is rare
Spring
74° / 48°
Last frost around Jan 30
Summer
93° / 61°
97 days reach 90° in a normal year
Fall now
78° / 51°
First frost around Dec 13
41 daysuntil the usual first frost (Dec 13)
Best months to be outside
MarAprMayOctNov
Highs of 62–84° and lows of 40° or more
When is it wettest?February, with 5.2 inches.Is it warmer than it used to be?+1.2° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

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

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 Palermo itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Oroville, CA (6 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.