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Weather in Jamul, CA · National Weather Service + NOAA

It hardly ever freezes in Jamul

Jamul has warm winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 42°, and snow is almost unheard of. In November, a normal day reaches 74° and a normal night drops to 47°.

Winter 67°/42°Spring 73°/49°Summer 87°/60°Fall 81°/53°
Right now
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Sunrise 9:06 am · sunset 7:55 pm

Getting the latest forecast from the National Weather Service…

What stands out about Jamul’s weather

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

Climate →
It hardly ever freezesOnly 73% of years see a night at 32° or below.Snow is rareNo measurable snow in a normal year.Warming faster than mostThe last 30 years averaged 2.2° warmer than the 1900s, a bigger shift than 97% of U.S. towns.A dry climateJust 15 inches of rain and melted snow a year, less than 94% of U.S. towns.
A normal year

Where today sits in Jamul’s year

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

Full climate →
Winter
67° / 42°
Snow is rare
Spring
73° / 49°
Frost is rare by spring
Summer
87° / 60°
57 days reach 90° in a normal year
Fall now
81° / 53°
Mild well into the fall
Best months to be outside
JanFebMarAprMayJunOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Jamul get?Almost none.When is it wettest?February, with 3.4 inches.Is it warmer than it used to be?+2.2° vs. the 20th century.

Weather talk

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

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 Jamul itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Lakeside 2 E, CA (9 mi, snow) and El Cajon, CA (7 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.