Iron Mountain, MI vs Phoenix, AZ

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

Iron Mountain is cooler than Phoenix (41.8°F vs 72.5°F annual avg) and wetter than it (20.7 in vs 8.9 in per year). Iron Mountain has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Iron Mountain, MI

Annual avg
41.8°F
Annual precip
20.7 in
Warmest month
July (80.1°F)
Coldest month
January (5.8°F)
Annual swing
52.6°F
Pleasant months
1 / 12
Warm-summer humid continental Dfb 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

Iron Mountain

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 Iron Mountain Phoenix
High Low Precip High Low Precip
January 23.5°F 5.8°F 0.47 in 65.4°F 44.1°F 1.17 in
February 27.4°F 6.6°F 0.51 in 68.1°F 46.1°F 1.21 in
March 38.3°F 16.8°F 0.87 in 75.0°F 50.9°F 1.09 in
April 52.1°F 27.4°F 1.59 in 82.5°F 56.6°F 0.35 in
May 66.3°F 39.5°F 2.20 in 91.5°F 64.7°F 0.19 in
June 75.9°F 49.8°F 2.99 in 101.5°F 72.7°F 0.03 in
July 80.1°F 54.4°F 2.74 in 104.0°F 80.8°F 0.81 in
August 77.7°F 52.9°F 2.44 in 102.5°F 80.5°F 0.96 in
September 69.5°F 45.2°F 2.94 in 97.5°F 74.7°F 0.71 in
October 55.1°F 34.3°F 2.20 in 86.3°F 62.7°F 0.67 in
November 40.1°F 23.7°F 1.15 in 74.0°F 50.8°F 0.90 in
December 28.5°F 12.7°F 0.65 in 63.9°F 42.7°F 0.81 in
Iron Mountain overview
Full climate profile
 Phoenix overview
Full climate profile