California weather

Our guide to the weather in California during October

26

Average high

5

UV Index

39mm

Monthly rainfall

40%

Humidity

We've looked at the most up-to-date weather data for California, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about California weather in October.

How warm is it in California during October?

The temperature reaches around 26℃ during the daytime in October, falling away to 14℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in California during October?

On average, there will be 2 rainy days during the month, amounting to 39.4mm in total. That's much drier than we see in England during August, and therefore not something to be concerned about. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in California during October?

No - there is very light air movement in October so conditions should be calm with light breezes at times.

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California Blog posts

From the Ireland's most popular travel bloggers

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5 days in LA - Complete itinerary, where to stay and more

14th January 2020 by Where is Tara?

In need of some fun, sun, sand and starlight? Same. So let’s take a little trip together and spend 5 days in L.A. We deserve it. In this post I take you through all the glorious things you can get up to with just 5 days in the City of Angels as well as practical tips about LAX, how to get around and more....

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California road trip

24th February 2017 by The Daily S'elf

I’m getting a bit fond of these after having a little taste via a mini staycation in Tennessee, but this time I was ready for a California road trip. Perhaps naively thinking I was going to enjoy Cali’s famous sunny weather, but we went in February, after/during some of the heaviest rainfall on record for that time of year. Mudslides, road closures and flooding seemed to become every day occurrences in California during the first two months of 2017, but stubborn as ever, we decided to press...

Weather in California

Our month-by-month guide to the weather and climate in California

14.8

California weather in

January
15.9

California weather in

February
18.4

California weather in

March
22.0

California weather in

April
26.6

California weather in

May
33.4

California weather in

June
37.5

California weather in

July
36.9

California weather in

August
33.8

California weather in

September
26.2

California weather in

October
18.8

California weather in

November
13.4

California weather in

December