Iron Mountain, MI vs Denver, CO

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

Iron Mountain is cooler than Denver (41.8°F vs 51.4°F annual avg) and wetter than it (20.7 in vs 15.4 in per year). Iron Mountain has a Warm-summer humid continental climate; Denver a Semi-arid (cold) 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

Denver, CO

Annual avg
51.4°F
Annual precip
15.4 in
Warmest month
July (90.2°F)
Coldest month
January (17.6°F)
Annual swing
43°F
Semi-arid (cold) BSk USDA Zone 7a

Best months to visit each city

Iron Mountain

J
F
M
A
M
J
J
A
S
O
N
D

Denver

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Iron Mountain Denver
High Low Precip High Low Precip
January 23.5°F 5.8°F 0.47 in 46.5°F 17.6°F 0.46 in
February 27.4°F 6.6°F 0.51 in 47.5°F 19.3°F 0.53 in
March 38.3°F 16.8°F 0.87 in 56.4°F 27.1°F 1.12 in
April 52.1°F 27.4°F 1.59 in 62.5°F 33.7°F 1.67 in
May 66.3°F 39.5°F 2.20 in 71.7°F 43.4°F 2.29 in
June 75.9°F 49.8°F 2.99 in 84.1°F 52.9°F 1.68 in
July 80.1°F 54.4°F 2.74 in 90.2°F 59.3°F 2.12 in
August 77.7°F 52.9°F 2.44 in 87.9°F 57.2°F 1.83 in
September 69.5°F 45.2°F 2.94 in 80.1°F 48.2°F 1.51 in
October 55.1°F 34.3°F 2.20 in 66.7°F 35.7°F 0.98 in
November 40.1°F 23.7°F 1.15 in 54.8°F 25.5°F 0.70 in
December 28.5°F 12.7°F 0.65 in 45.9°F 17.7°F 0.47 in
Iron Mountain overview
Full climate profile
 Denver overview
Full climate profile