Cortland, IL vs Denver, CO

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

Cortland is cooler than Denver (48.5°F vs 51.4°F annual avg) and wetter than it (37.3 in vs 15.4 in per year). Cortland has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Cortland, IL

Annual avg
48.5°F
Annual precip
37.3 in
Warmest month
July (83.1°F)
Coldest month
January (13.1°F)
Annual swing
52.6°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 6b

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

Cortland

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 Cortland Denver
High Low Precip High Low Precip
January 28.1°F 13.1°F 1.69 in 46.5°F 17.6°F 0.46 in
February 32.5°F 16.6°F 1.71 in 47.5°F 19.3°F 0.53 in
March 45.0°F 26.8°F 2.24 in 56.4°F 27.1°F 1.12 in
April 58.6°F 37.3°F 3.56 in 62.5°F 33.7°F 1.67 in
May 70.2°F 49.2°F 4.79 in 71.7°F 43.4°F 2.29 in
June 79.9°F 59.5°F 4.57 in 84.1°F 52.9°F 1.68 in
July 83.1°F 63.3°F 4.00 in 90.2°F 59.3°F 2.12 in
August 81.2°F 61.3°F 4.06 in 87.9°F 57.2°F 1.83 in
September 74.9°F 53.2°F 3.32 in 80.1°F 48.2°F 1.51 in
October 62.0°F 41.0°F 2.96 in 66.7°F 35.7°F 0.98 in
November 46.3°F 29.6°F 2.31 in 54.8°F 25.5°F 0.70 in
December 33.6°F 19.1°F 2.04 in 45.9°F 17.7°F 0.47 in
Cortland overview
Full climate profile
 Denver overview
Full climate profile