Santa Monica, CA vs Phoenix, AZ

Side-by-side comparison of monthly climate normals (NOAA 1991-2020).

Santa Monica is cooler than Phoenix (60.5°F vs 72.5°F annual avg) and similar rainfall to it (12.2 in vs 8.9 in per year). Santa Monica has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Santa Monica, CA

Annual avg
60.5°F
Annual precip
12.2 in
Warmest month
September (70.0°F)
Coldest month
December (49.5°F)
Annual swing
10.2°F
Pleasant months
6 / 12
Semi-arid (cold) BSk USDA Zone 10a

Phoenix, AZ

Annual avg
72.5°F
Annual precip
8.9 in
Warmest month
July (104.0°F)
Coldest month
December (42.7°F)
Annual swing
39.1°F
Pleasant months
2 / 12
Desert (hot) BWh USDA Zone 9b

Best months to visit each city

Santa Monica

J
F
M
A
M
J
J
A
S
O
N
D

Phoenix

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Santa Monica Phoenix
High Low Precip High Low Precip
January 62.0°F 49.6°F 3.08 in 65.4°F 44.1°F 1.17 in
February 62.2°F 49.7°F 3.10 in 68.1°F 46.1°F 1.21 in
March 61.8°F 51.8°F 1.74 in 75.0°F 50.9°F 1.09 in
April 63.4°F 53.2°F 0.57 in 82.5°F 56.6°F 0.35 in
May 63.4°F 55.8°F 0.23 in 91.5°F 64.7°F 0.19 in
June 66.3°F 59.2°F 0.05 in 101.5°F 72.7°F 0.03 in
July 69.4°F 61.5°F 0.03 in 104.0°F 80.8°F 0.81 in
August 69.7°F 62.3°F 0.01 in 102.5°F 80.5°F 0.96 in
September 70.0°F 60.9°F 0.03 in 97.5°F 74.7°F 0.71 in
October 67.5°F 58.5°F 0.49 in 86.3°F 62.7°F 0.67 in
November 66.9°F 53.6°F 0.81 in 74.0°F 50.8°F 0.90 in
December 63.4°F 49.5°F 2.03 in 63.9°F 42.7°F 0.81 in
Santa Monica overview
Full climate profile
 Phoenix overview
Full climate profile