Harrisburg, IL vs Denver, CO

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

Harrisburg is warmer than Denver (57.3°F vs 51.4°F annual avg) and wetter than it (47.6 in vs 15.4 in per year). Harrisburg has a Humid subtropical climate; Denver a Semi-arid (cold) climate.

Harrisburg, IL

Annual avg
57.3°F
Annual precip
47.6 in
Warmest month
July (89.1°F)
Coldest month
January (24.0°F)
Annual swing
45.3°F
Pleasant months
1 / 12
Humid subtropical Cfa USDA Zone 7b

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

Harrisburg

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 Harrisburg Denver
High Low Precip High Low Precip
January 42.9°F 24.0°F 3.79 in 46.5°F 17.6°F 0.46 in
February 47.7°F 28.3°F 3.13 in 47.5°F 19.3°F 0.53 in
March 58.1°F 36.1°F 4.90 in 56.4°F 27.1°F 1.12 in
April 69.4°F 45.7°F 5.26 in 62.5°F 33.7°F 1.67 in
May 78.2°F 56.5°F 4.31 in 71.7°F 43.4°F 2.29 in
June 86.0°F 65.1°F 4.92 in 84.1°F 52.9°F 1.68 in
July 89.1°F 68.4°F 3.49 in 90.2°F 59.3°F 2.12 in
August 88.2°F 65.6°F 3.58 in 87.9°F 57.2°F 1.83 in
September 82.4°F 57.3°F 3.10 in 80.1°F 48.2°F 1.51 in
October 71.2°F 45.4°F 3.76 in 66.7°F 35.7°F 0.98 in
November 57.4°F 36.3°F 3.97 in 54.8°F 25.5°F 0.70 in
December 46.8°F 28.9°F 3.38 in 45.9°F 17.7°F 0.47 in
Harrisburg overview
Full climate profile
 Denver overview
Full climate profile