Mattoon, IL vs Denver, CO

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

Mattoon is warmer than Denver (53.6°F vs 51.4°F annual avg) and wetter than it (41.3 in vs 15.4 in per year). Mattoon has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Mattoon, IL

Annual avg
53.6°F
Annual precip
41.3 in
Warmest month
July (86.1°F)
Coldest month
January (20.2°F)
Annual swing
48.9°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa 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

Mattoon

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 Mattoon Denver
High Low Precip High Low Precip
January 34.8°F 20.2°F 2.61 in 46.5°F 17.6°F 0.46 in
February 39.6°F 23.4°F 2.18 in 47.5°F 19.3°F 0.53 in
March 51.3°F 32.9°F 2.81 in 56.4°F 27.1°F 1.12 in
April 64.4°F 43.3°F 4.78 in 62.5°F 33.7°F 1.67 in
May 74.3°F 54.0°F 4.10 in 71.7°F 43.4°F 2.29 in
June 82.8°F 63.8°F 4.71 in 84.1°F 52.9°F 1.68 in
July 86.1°F 66.6°F 4.26 in 90.2°F 59.3°F 2.12 in
August 84.5°F 65.1°F 2.85 in 87.9°F 57.2°F 1.83 in
September 79.2°F 56.6°F 3.11 in 80.1°F 48.2°F 1.51 in
October 66.4°F 46.6°F 3.77 in 66.7°F 35.7°F 0.98 in
November 51.2°F 34.2°F 3.56 in 54.8°F 25.5°F 0.70 in
December 39.7°F 25.4°F 2.55 in 45.9°F 17.7°F 0.47 in
Mattoon overview
Full climate profile
 Denver overview
Full climate profile