Question: How Much Rain Does California Get??

The average annual precipitation for California is 21.44 inches.

What month does it start to rain in California?

The first sporadic rainfall of the rainy season usually occurs in October or November, with heavy rain becoming more common December through early April. Usually the Pineapple Express storms from November to January. February, on average, is the wettest month.

How many days a year does it rain in California?

It Doesn’t Rain Often. As you’d expect for sunny Southern California, nine out of 10 days are dry. Downtown L.A. only averages 36 days a year with measurable precipitation. Both Chicago and New York typically have 3 to 4 times more wet days per year than Los Angeles.

Why is CA getting so much rain?

The rains were born far away, deep in the tropical Pacific, where water evaporated from the warm ocean surface and fizzed into the atmosphere. When that wet air hit a coast—in this case the West Coast of the U.S.—it dumped that water out as the rain and snow that has overwhelmed Northern California this week.

What is the rainiest month in California?

The driest month in Los Angeles County is July with 0.01 inches of precipitation, and with 3.68 inches February is the wettest month.

What month has the most rain in California?

As can be seen in Figure 1, about half the annual precipitation total arrives in the three-month period from December through February and 90% of the annual precipitation falls between October 1 and April 30. During this time period, winter storms come off the Pacific Ocean delivering rain and snow to California.

Photo in the article by “Wikipedia” https://en.wikipedia.org/wiki/Rain_shadow