Climate

Arizona vs California: Annual Precipitation

Arizona is drier overall than California.

Arizona flag
Arizona
AZ · West
Winner
13.6 in
Average annual rain and snowfall combined, measured in inches.
California flag
California
CA · West
22.2 in
Average annual rain and snowfall combined, measured in inches.

Visual comparison

Arizona13.6 in
California22.2 in

Difference: 8.6 inches — Arizona leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for annual precipitation.

Arizona #4 · 13.6 in
California #11 · 22.2 in
Best Worst

10 Best States — Annual Precipitation

Lower is better
#1 Nevada flag Nevada
9.5 in
#2 Utah flag Utah
12.2 in
#3 Wyoming flag Wyoming
12.9 in
#4 Arizona flag Arizona
13.6 in
#5 New Mexico flag New Mexico
14.6 in
#6 Montana flag Montana
15.3 in
#7 Colorado flag Colorado
15.9 in
#8 North Dakota flag North Dakota
17.8 in
#9 Idaho flag Idaho
18.9 in
#10 South Dakota flag South Dakota
20.1 in
Selected states
#11 California flag California
22.2 in

Arizona ranks 4th and California ranks 11th nationally for annual precipitation.

Related context

Precipitation & Climate

Rain and snow affect agriculture, flood risk, water supply, and outdoor lifestyle.

MetricArizonaCalifornia
Sunny Days / Year 193 days 146 days Average Temperature 60.3°F 59.4°F
Summer Temperature 78.1°F 73.4°F
Winter Temperature 43.6°F 46.2°F

What this means

Arizona vs California: Annual Precipitation in context

Arizona's annual precipitation is 13.6 in, compared with 22.2 in in California. Average annual rain and snowfall combined, measured in inches.

Arizona
13.6 in
California
22.2 in
Difference
8.6 inches

People also ask

Arizona vs California Annual Precipitation — common questions

QWhat is Arizona's annual precipitation?

Arizona's annual precipitation is 13.6 in.

QWhat is California's annual precipitation?

California's annual precipitation is 22.2 in.

QWhich state has a lower annual precipitation — Arizona or California?

Arizona is drier overall than California.

More comparisons: Arizona vs California

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Full comparison

Data source and freshness

Data period
1991–2020 climate normals
Dataset reviewed
July 23, 2026
Method note
Statewide climate summaries; normals describe long-term conditions, not a forecast.