California weather averages

Going to California? Find the best month to visit California based on the weather.

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Check California weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in California is expected to be 29°C, while the average maximum temperature in July is 29°C. The holiday weather guide shown above is for Los Angeles.

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Metric (°C / mm)  |  Imperial (°F / inches)

California weather averages: best month

California Best month Averages
Warmest August 30°C
Sunniest July 12 hours per day
Least rain June & July 0 days

California climate guide

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California weather overview

California has an unusual Mediterranean climate which gets warmer and drier the further south you go. The state's extreme southeast witnesses hardly any rainfall and conditions are semi-desert with temperatures soaring in the summer months: the aptly named Death Valley records some of the highest temperatures in the world!

The Golden Gate Bridge, San Francisco, California, USA © John Arnold
The Golden Gate Bridge, San Francisco, California, USA © John Arnold

The coast, where San Diego, San Francisco and Los Angeles are situated, has coolish summers with frequent fog and mild, rainy winters. Rain also falls heavily in the Sierra Nevada range and the mountains which back the coast; this turns to snow on the higher peaks and gives California its reputation as a place where you can ski in the morning and sunbathe in the afternoon.

You should, however, take care in the mountains as sudden, heavy snowstorms can occur. Another climatic hazard is urban smog around Los Angeles which is a mixture of fog and pollution trapped by a blanket of coastal warm air. However, overall, California is a delightful place to visit and deserves its nickname 'the sunshine state'.

What to pack for California weather

Take light clothes for visiting southern California in the summer, add a few wraps if you are going to the coast and much warmer clothes for trips to the mountains. Take fairly warm clothing in the winter when you should be prepared for the occasional cold snap, and rain. Be aware that different parts of California often register America's hottest and coldest temperatures within a single day - over 55°C (120°F) in Death Valley, close to freezing in the Sierra Nevada Mountains - so pack appropriately for where you are going.

Tropical storm risk: California hurricane season

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The California tropical storm risk chart above shows the hurricane season for Los Angeles, California.

More about tropical storms

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California weather averages by month

Check California holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare California weather with the USA

Below the California weather chart shows maximum daytime temperature for California, USA (Los Angeles) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

California, USA (Los Angeles)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Popular California destinations

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