Grand Junction, IA vs Phoenix, AZ

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

Grand Junction is cooler than Phoenix (47.8°F vs 72.5°F annual avg) and wetter than it (35.3 in vs 8.9 in per year). Grand Junction has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Grand Junction, IA

Annual avg
47.8°F
Annual precip
35.3 in
Warmest month
July (83.4°F)
Coldest month
January (9.1°F)
Annual swing
54.7°F
Pleasant months
1 / 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

Grand Junction

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 Grand Junction Phoenix
High Low Precip High Low Precip
January 27.6°F 9.1°F 0.96 in 65.4°F 44.1°F 1.17 in
February 32.5°F 13.3°F 1.28 in 68.1°F 46.1°F 1.21 in
March 46.1°F 25.2°F 1.96 in 75.0°F 50.9°F 1.09 in
April 60.2°F 36.0°F 3.58 in 82.5°F 56.6°F 0.35 in
May 71.1°F 48.7°F 4.97 in 91.5°F 64.7°F 0.19 in
June 80.5°F 59.3°F 5.19 in 101.5°F 72.7°F 0.03 in
July 83.4°F 62.8°F 4.38 in 104.0°F 80.8°F 0.81 in
August 81.3°F 60.4°F 4.21 in 102.5°F 80.5°F 0.96 in
September 75.8°F 51.1°F 3.13 in 97.5°F 74.7°F 0.71 in
October 62.9°F 39.1°F 2.58 in 86.3°F 62.7°F 0.67 in
November 46.4°F 25.7°F 1.69 in 74.0°F 50.8°F 0.90 in
December 32.9°F 15.5°F 1.38 in 63.9°F 42.7°F 0.81 in
Grand Junction overview
Full climate profile
 Phoenix overview
Full climate profile