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Weather in Rio del Mar, CA · National Weather Service + NOAA

Rio del Mar stays cool in summer

Rio del Mar has warm winters and cool summers. A typical July afternoon reaches 72°, a January night drops to 42°, and snow is almost unheard of. Normal November highs come to 65°, and lows to 45°.

Right now
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Sunrise 6:33 am · sunset 5:08 pm

Getting the latest forecast from the National Weather Service…

What stands out about Rio del Mar’s weather

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

Climate →
A normal year

Where today sits in Rio del Mar’s year

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

Full climate →
Winter
61° / 42°
Snow is rare
Spring
66° / 47°
Last frost around Jan 29
Summer
72° / 54°
6 days reach 90° in a normal year
Fall now
70° / 50°
First frost around Dec 13

Weather talk

Road reports, first frosts and storm memories from neighbors in Rio del Mar.

Town Square →
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Is spring the best season in Rio del Mar?

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