Royal, IA vs Phoenix, AZ

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

Royal is cooler than Phoenix (46.8°F vs 72.5°F annual avg) and wetter than it (26.8 in vs 8.9 in per year). Royal has a Monsoon continental (hot summer) climate; Phoenix a Desert (hot) climate.

Royal, IA

Annual avg
46.8°F
Annual precip
26.8 in
Warmest month
July (84.5°F)
Coldest month
January (8.1°F)
Annual swing
56.5°F
Pleasant months
1 / 12
Monsoon continental (hot summer) Dwa USDA Zone 6a

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

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 Phoenix
High Low Precip High Low Precip
January 25.8°F 8.1°F 0.25 in 65.4°F 44.1°F 1.17 in
February 30.3°F 12.6°F 0.43 in 68.1°F 46.1°F 1.21 in
March 43.6°F 24.8°F 1.44 in 75.0°F 50.9°F 1.09 in
April 58.9°F 35.5°F 2.82 in 82.5°F 56.6°F 0.35 in
May 70.9°F 47.9°F 3.83 in 91.5°F 64.7°F 0.19 in
June 80.9°F 58.7°F 4.01 in 101.5°F 72.7°F 0.03 in
July 84.5°F 62.3°F 3.84 in 104.0°F 80.8°F 0.81 in
August 81.9°F 59.2°F 3.29 in 102.5°F 80.5°F 0.96 in
September 75.8°F 50.2°F 3.21 in 97.5°F 74.7°F 0.71 in
October 61.3°F 37.4°F 2.22 in 86.3°F 62.7°F 0.67 in
November 44.6°F 24.7°F 1.07 in 74.0°F 50.8°F 0.90 in
December 30.7°F 13.6°F 0.42 in 63.9°F 42.7°F 0.81 in
Royal overview
Full climate profile
 Phoenix overview
Full climate profile