Plymouth, IA vs Phoenix, AZ

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

Plymouth is cooler than Phoenix (45.6°F vs 72.5°F annual avg) and wetter than it (36.3 in vs 8.9 in per year). Plymouth has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Plymouth, IA

Annual avg
45.6°F
Annual precip
36.3 in
Warmest month
July (81.9°F)
Coldest month
January (7.0°F)
Annual swing
56.2°F
Pleasant months
3 / 12
Hot-summer humid continental Dfa 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

Plymouth

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 Plymouth Phoenix
High Low Precip High Low Precip
January 24.0°F 7.0°F 0.89 in 65.4°F 44.1°F 1.17 in
February 28.6°F 10.9°F 1.07 in 68.1°F 46.1°F 1.21 in
March 41.3°F 23.0°F 1.95 in 75.0°F 50.9°F 1.09 in
April 56.4°F 34.7°F 3.91 in 82.5°F 56.6°F 0.35 in
May 68.6°F 46.9°F 5.58 in 91.5°F 64.7°F 0.19 in
June 78.7°F 57.6°F 5.70 in 101.5°F 72.7°F 0.03 in
July 81.9°F 61.5°F 4.63 in 104.0°F 80.8°F 0.81 in
August 79.6°F 58.8°F 3.71 in 102.5°F 80.5°F 0.96 in
September 73.5°F 50.1°F 3.24 in 97.5°F 74.7°F 0.71 in
October 60.1°F 37.6°F 2.55 in 86.3°F 62.7°F 0.67 in
November 43.3°F 25.2°F 1.79 in 74.0°F 50.8°F 0.90 in
December 29.9°F 14.2°F 1.25 in 63.9°F 42.7°F 0.81 in
Plymouth overview
Full climate profile
 Phoenix overview
Full climate profile