Kennewick, WA vs Phoenix, AZ

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

Kennewick is cooler than Phoenix (55.1°F vs 72.5°F annual avg) and similar rainfall to it (7.9 in vs 8.9 in per year). Kennewick has a Desert (cold) climate; Phoenix a Desert (hot) climate.

Kennewick, WA

Annual avg
55.1°F
Annual precip
7.9 in
Warmest month
July (91.3°F)
Coldest month
January (29.2°F)
Annual swing
41.3°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

Kennewick

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 Kennewick Phoenix
High Low Precip High Low Precip
January 41.7°F 29.2°F 1.13 in 65.4°F 44.1°F 1.17 in
February 48.1°F 30.9°F 0.79 in 68.1°F 46.1°F 1.21 in
March 58.1°F 35.9°F 0.66 in 75.0°F 50.9°F 1.09 in
April 66.3°F 42.4°F 0.61 in 82.5°F 56.6°F 0.35 in
May 75.3°F 50.1°F 0.84 in 91.5°F 64.7°F 0.19 in
June 82.0°F 56.4°F 0.58 in 101.5°F 72.7°F 0.03 in
July 91.3°F 62.3°F 0.21 in 104.0°F 80.8°F 0.81 in
August 90.3°F 61.3°F 0.17 in 102.5°F 80.5°F 0.96 in
September 80.5°F 53.2°F 0.26 in 97.5°F 74.7°F 0.71 in
October 65.9°F 43.1°F 0.67 in 86.3°F 62.7°F 0.67 in
November 50.9°F 34.9°F 0.87 in 74.0°F 50.8°F 0.90 in
December 41.5°F 29.6°F 1.08 in 63.9°F 42.7°F 0.81 in
Kennewick overview
Full climate profile
 Phoenix overview
Full climate profile