Denison, IA vs Phoenix, AZ

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

Denison is cooler than Phoenix (47.4°F vs 72.5°F annual avg) and wetter than it (33.6 in vs 8.9 in per year). Denison has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Denison, IA

Annual avg
47.4°F
Annual precip
33.6 in
Warmest month
July (83.1°F)
Coldest month
January (9.8°F)
Annual swing
54.5°F
Pleasant months
2 / 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

Denison

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 Denison Phoenix
High Low Precip High Low Precip
January 27.4°F 9.8°F 0.74 in 65.4°F 44.1°F 1.17 in
February 32.1°F 13.7°F 0.98 in 68.1°F 46.1°F 1.21 in
March 45.3°F 24.8°F 1.88 in 75.0°F 50.9°F 1.09 in
April 58.4°F 35.6°F 3.38 in 82.5°F 56.6°F 0.35 in
May 69.5°F 48.5°F 4.62 in 91.5°F 64.7°F 0.19 in
June 79.7°F 59.2°F 4.92 in 101.5°F 72.7°F 0.03 in
July 83.1°F 63.0°F 4.13 in 104.0°F 80.8°F 0.81 in
August 81.0°F 60.6°F 4.43 in 102.5°F 80.5°F 0.96 in
September 74.8°F 51.7°F 3.27 in 97.5°F 74.7°F 0.71 in
October 61.5°F 39.3°F 2.64 in 86.3°F 62.7°F 0.67 in
November 45.5°F 26.1°F 1.45 in 74.0°F 50.8°F 0.90 in
December 32.4°F 15.9°F 1.20 in 63.9°F 42.7°F 0.81 in
Denison overview
Full climate profile
 Phoenix overview
Full climate profile