Royal City, WA vs Phoenix, AZ

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

Royal City is cooler than Phoenix (53.4°F vs 72.5°F annual avg) and drier than it (0 in vs 8.9 in per year). Royal City has a Desert (cold) climate; Phoenix a Desert (hot) climate.

Royal City, WA

Annual avg
53.4°F
Annual precip
0 in
Warmest month
July (92.9°F)
Coldest month
January (25.5°F)
Annual swing
43.5°F
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

Royal City

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 Royal City Phoenix
High Low Precip High Low Precip
January 40.4°F 25.5°F — in 65.4°F 44.1°F 1.17 in
February 48.0°F 27.6°F — in 68.1°F 46.1°F 1.21 in
March 58.2°F 32.8°F — in 75.0°F 50.9°F 1.09 in
April 66.6°F 38.9°F — in 82.5°F 56.6°F 0.35 in
May 77.0°F 46.3°F — in 91.5°F 64.7°F 0.19 in
June 83.8°F 54.5°F — in 101.5°F 72.7°F 0.03 in
July 92.9°F 59.2°F — in 104.0°F 80.8°F 0.81 in
August 91.7°F 57.5°F — in 102.5°F 80.5°F 0.96 in
September 82.0°F 48.6°F — in 97.5°F 74.7°F 0.71 in
October 66.6°F 38.5°F — in 86.3°F 62.7°F 0.67 in
November 49.8°F 30.5°F — in 74.0°F 50.8°F 0.90 in
December 39.6°F 25.7°F — in 63.9°F 42.7°F 0.81 in
Royal City overview
Full climate profile
 Phoenix overview
Full climate profile