West Richland, WA vs Phoenix, AZ

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

West Richland is cooler than Phoenix (53.6°F vs 72.5°F annual avg) and similar rainfall to it (7.3 in vs 8.9 in per year). West Richland has a Desert (cold) climate; Phoenix a Desert (hot) climate.

West Richland, WA

Annual avg
53.6°F
Annual precip
7.3 in
Warmest month
July (89.3°F)
Coldest month
December (28.4°F)
Annual swing
40.6°F
Pleasant months
1 / 12
Desert (cold) BWk USDA Zone 8a

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

West Richland

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 West Richland Phoenix
High Low Precip High Low Precip
January 40.6°F 28.8°F 1.04 in 65.4°F 44.1°F 1.17 in
February 47.5°F 30.1°F 0.67 in 68.1°F 46.1°F 1.21 in
March 57.1°F 35.1°F 0.64 in 75.0°F 50.9°F 1.09 in
April 65.1°F 41.0°F 0.62 in 82.5°F 56.6°F 0.35 in
May 73.9°F 48.3°F 0.63 in 91.5°F 64.7°F 0.19 in
June 80.2°F 54.4°F 0.56 in 101.5°F 72.7°F 0.03 in
July 89.3°F 60.0°F 0.23 in 104.0°F 80.8°F 0.81 in
August 88.1°F 59.0°F 0.13 in 102.5°F 80.5°F 0.96 in
September 78.9°F 51.4°F 0.29 in 97.5°F 74.7°F 0.71 in
October 64.3°F 41.7°F 0.54 in 86.3°F 62.7°F 0.67 in
November 49.0°F 33.6°F 0.87 in 74.0°F 50.8°F 0.90 in
December 39.9°F 28.4°F 1.07 in 63.9°F 42.7°F 0.81 in
West Richland overview
Full climate profile
 Phoenix overview
Full climate profile