West Branch, IA vs Phoenix, AZ

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

West Branch is cooler than Phoenix (48.9°F vs 72.5°F annual avg) and wetter than it (38.5 in vs 8.9 in per year). West Branch has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

West Branch, IA

Annual avg
48.9°F
Annual precip
38.5 in
Warmest month
July (84.4°F)
Coldest month
January (11.6°F)
Annual swing
53°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa USDA Zone 6b

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 Branch

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 Branch Phoenix
High Low Precip High Low Precip
January 29.3°F 11.6°F 1.14 in 65.4°F 44.1°F 1.17 in
February 34.3°F 15.5°F 1.40 in 68.1°F 46.1°F 1.21 in
March 47.9°F 26.6°F 2.33 in 75.0°F 50.9°F 1.09 in
April 61.6°F 37.1°F 3.86 in 82.5°F 56.6°F 0.35 in
May 72.2°F 48.9°F 5.05 in 91.5°F 64.7°F 0.19 in
June 81.0°F 59.0°F 5.49 in 101.5°F 72.7°F 0.03 in
July 84.4°F 62.5°F 4.56 in 104.0°F 80.8°F 0.81 in
August 82.4°F 60.2°F 4.32 in 102.5°F 80.5°F 0.96 in
September 76.3°F 51.6°F 3.45 in 97.5°F 74.7°F 0.71 in
October 63.2°F 39.9°F 3.00 in 86.3°F 62.7°F 0.67 in
November 47.5°F 27.6°F 2.27 in 74.0°F 50.8°F 0.90 in
December 34.4°F 17.5°F 1.60 in 63.9°F 42.7°F 0.81 in
West Branch overview
Full climate profile
 Phoenix overview
Full climate profile