Sunnyside, WA vs Phoenix, AZ

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

Sunnyside is cooler than Phoenix (49.9°F vs 72.5°F annual avg) and similar rainfall to it (7.6 in vs 8.9 in per year). Sunnyside has a Desert (cold) climate; Phoenix a Desert (hot) climate.

Sunnyside, WA

Annual avg
49.9°F
Annual precip
7.6 in
Warmest month
July (88.2°F)
Coldest month
December (22.4°F)
Annual swing
41.6°F
Desert (cold) BWk USDA Zone 7b

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

Sunnyside

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 Sunnyside Phoenix
High Low Precip High Low Precip
January 37.6°F 23.0°F 0.98 in 65.4°F 44.1°F 1.17 in
February 45.4°F 24.3°F 0.65 in 68.1°F 46.1°F 1.21 in
March 55.4°F 29.7°F 0.54 in 75.0°F 50.9°F 1.09 in
April 63.3°F 35.6°F 0.61 in 82.5°F 56.6°F 0.35 in
May 72.8°F 43.7°F 0.75 in 91.5°F 64.7°F 0.19 in
June 79.2°F 49.1°F 0.59 in 101.5°F 72.7°F 0.03 in
July 88.2°F 54.4°F 0.14 in 104.0°F 80.8°F 0.81 in
August 86.5°F 52.2°F 0.26 in 102.5°F 80.5°F 0.96 in
September 77.7°F 44.5°F 0.36 in 97.5°F 74.7°F 0.71 in
October 63.6°F 35.2°F 0.74 in 86.3°F 62.7°F 0.67 in
November 48.3°F 27.4°F 0.85 in 74.0°F 50.8°F 0.90 in
December 37.1°F 22.4°F 1.18 in 63.9°F 42.7°F 0.81 in
Sunnyside overview
Full climate profile
 Phoenix overview
Full climate profile