California - West coast weather in December 2025
December
California - West coast weather in December 2025
December
Day
16 °C
Night
6 °C
Sea
13 °C
Precipitation
120 mm
in month
Rainy days
8 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
77 %
Day
16 °C
Night
6 °C
Sea
13 °C
Precipitation
120 mm
in month
Rainy days
8 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
77 %
Overview: California - West coastEmbark on a breathtaking journey along California's stunning West Coast, where natural beauty and coastal charm collide. Discover the captivating coastal towns of Monterey, Santa Cruz, and Pismo Beach, each offering a unique blend of picturesque landscapes and vibrant communities. Immerse yourself in the world-famous Monterey Bay Aquarium, ride the iconic Giant Dipper roller coaster in Santa Cruz, and unwind on the pristine sandy shores of Pismo Beach. Whether you seek outdoor adventures, cultural experiences, or simply a relaxing beach getaway, California's West Coast is a true haven for every traveler.
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Weather overview and FAQs
Weather overview
In California - West coast in December, the average air temperature ranges from 16 °C (61 °F) during the day to 6 °C (42 °F) at night. There are 8 days of rain on average, where the rainfall is 120 mm (4.71 in).
Are there good conditions to visit in December in California - West coast?
In December there are not good conditions to visit California - West coast. A relatively low temperature of 16 °C (61 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 6 °C (42 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
What temperature can I expect during the day in December in California - West coast?
In December in California - West coast, the average daily temperatures will be 16 °C (61 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
How many hours of sun to expect in December in California - West coast?
In December in California - West coast, you can expect around 5 hours of sunshine.
What is the rainfall intensity in California - West coast in December?
In California - West coast in December, there is 120 mm (4.71 in) rainfall, which means on average 4 mm (0.16 in) rainfall per day.
How many days of precipitation on average can I expect in California - West coast in December?
In December in California - West coast, we can expect 8 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.9 days of the week, or in general - 27 % days.
How long is the day (from dawn till dusk) in California - West coast in December?
The length of daylight in December in California - West coast is 10 hours.
Is December part of the wet season in California - West coast?
No, there is no wet season in California - West coast in December - you can expect 8 days of rain during the month.
Is it freezing in December in California - West coast?
It is not very likely that you will experience freezing in California - West coast in December, daily temperatures will rise to 6 °C (42 °F).
What is the humidity in December in California - West coast?
In December in California - West coast, expect humidity around 77 %.
Is the sea in California - West coast warmer in December than in November?
No, the sea is not warmer in California - West coast in December than in November.
Is the weather in California - West coast warmer in December than in November?
No, December is not warmer in California - West coast than November.
Is California - West coast rainier in December than in January?
No, in December in California - West coast it does not rain more than in January.
How windy is it in December in California - West coast?
An average wind scale that can be expected in California - West coast in December is 3.
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