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Weather in London, CA · National Weather Service + NOAA

London has hot summers

London has mild winters and hot summers, with very little rain. A typical July afternoon reaches 98°, a January night drops to 39°, and snow is almost unheard of. Normal November highs come to 67°, and lows to 43°.

Winter 59°/39°Spring 76°/49°Summer 96°/64°Fall 80°/52°
Right now
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Sunrise 9:22 am · sunset 8:00 pm

Getting the latest forecast from the National Weather Service…

What stands out about London’s weather

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

Climate →
Hot summersJuly afternoons average 98°, hotter than 99% of U.S. towns.Snow is rareNo measurable snow in a normal year.Warming faster than mostThe last 30 years averaged 1.8° warmer than the 1900s, a bigger shift than 89% of U.S. towns.A dry climateJust 10 inches of rain and melted snow a year, less than 98% of U.S. towns.
A normal year

Where today sits in London’s year

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

Full climate →
Winter
59° / 39°
Snow is rare
Spring
76° / 49°
Last frost around Feb 7
Summer
96° / 64°
108 days reach 90° in a normal year
Fall now
80° / 52°
First frost around Dec 1
29 daysuntil the usual first frost (Dec 1)
Best months to be outside
FebMarAprMayOctNov
Highs of 62–84° and lows of 40° or more
How much snow does London get?Almost none.When is it wettest?January, with 2.0 inches.Is it warmer than it used to be?+1.8° vs. the 20th century.

Weather talk

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

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 London itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Hanford 1 S, CA (16 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.