Superior, MT vs Phoenix, AZ

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

Superior is cooler than Phoenix (47.7°F vs 72.5°F annual avg) and wetter than it (16.4 in vs 8.9 in per year). Superior has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Superior, MT

Annual avg
47.7°F
Annual precip
16.4 in
Warmest month
July (88.5°F)
Coldest month
January (21.5°F)
Annual swing
41.8°F
Warm-summer humid continental Dfb USDA Zone 7b

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

Superior

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 Superior Phoenix
High Low Precip High Low Precip
January 35.8°F 21.5°F 1.19 in 65.4°F 44.1°F 1.17 in
February 42.0°F 22.3°F 1.29 in 68.1°F 46.1°F 1.21 in
March 52.6°F 27.4°F 1.11 in 75.0°F 50.9°F 1.09 in
April 60.7°F 32.2°F 1.36 in 82.5°F 56.6°F 0.35 in
May 70.8°F 39.8°F 1.80 in 91.5°F 64.7°F 0.19 in
June 77.5°F 45.7°F 2.03 in 101.5°F 72.7°F 0.03 in
July 88.5°F 50.6°F 0.93 in 104.0°F 80.8°F 0.81 in
August 88.2°F 49.4°F 1.05 in 102.5°F 80.5°F 0.96 in
September 77.2°F 41.9°F 0.99 in 97.5°F 74.7°F 0.71 in
October 60.5°F 33.9°F 1.34 in 86.3°F 62.7°F 0.67 in
November 42.9°F 26.9°F 1.95 in 74.0°F 50.8°F 0.90 in
December 34.0°F 21.6°F 1.38 in 63.9°F 42.7°F 0.81 in
Superior overview
Full climate profile
 Phoenix overview
Full climate profile