Chinook, MT vs Phoenix, AZ

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

Chinook is cooler than Phoenix (42.4°F vs 72.5°F annual avg) and similar rainfall to it (13.4 in vs 8.9 in per year). Chinook has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Chinook, MT

Annual avg
42.4°F
Annual precip
13.4 in
Warmest month
July (84.3°F)
Coldest month
January (4.2°F)
Annual swing
53.3°F
Semi-arid (cold) BSk USDA Zone 5b

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

Chinook

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 Chinook Phoenix
High Low Precip High Low Precip
January 27.1°F 4.2°F 0.45 in 65.4°F 44.1°F 1.17 in
February 31.4°F 6.9°F 0.37 in 68.1°F 46.1°F 1.21 in
March 43.0°F 17.7°F 0.59 in 75.0°F 50.9°F 1.09 in
April 56.9°F 29.4°F 1.04 in 82.5°F 56.6°F 0.35 in
May 67.0°F 40.0°F 2.42 in 91.5°F 64.7°F 0.19 in
June 75.4°F 49.3°F 2.86 in 101.5°F 72.7°F 0.03 in
July 84.3°F 53.6°F 1.62 in 104.0°F 80.8°F 0.81 in
August 83.3°F 51.7°F 1.14 in 102.5°F 80.5°F 0.96 in
September 72.3°F 41.2°F 0.99 in 97.5°F 74.7°F 0.71 in
October 56.9°F 28.5°F 0.88 in 86.3°F 62.7°F 0.67 in
November 41.3°F 17.0°F 0.69 in 74.0°F 50.8°F 0.90 in
December 30.5°F 7.5°F 0.39 in 63.9°F 42.7°F 0.81 in
Chinook overview
Full climate profile
Phoenix overview
Full climate profile