Royal, IL vs Denver, CO

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

Royal is about the same temperature as Denver (52.2°F vs 51.4°F annual avg) and wetter than it (41.2 in vs 15.4 in per year). Royal has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Royal, IL

Annual avg
52.2°F
Annual precip
41.2 in
Warmest month
July (83.6°F)
Coldest month
January (18.2°F)
Annual swing
48.3°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 7a

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

Royal

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 Royal Denver
High Low Precip High Low Precip
January 34.0°F 18.2°F 2.38 in 46.5°F 17.6°F 0.46 in
February 38.9°F 21.6°F 2.18 in 47.5°F 19.3°F 0.53 in
March 50.6°F 30.2°F 2.82 in 56.4°F 27.1°F 1.12 in
April 63.7°F 40.8°F 3.88 in 62.5°F 33.7°F 1.67 in
May 73.3°F 52.4°F 4.96 in 71.7°F 43.4°F 2.29 in
June 81.6°F 62.0°F 4.96 in 84.1°F 52.9°F 1.68 in
July 83.6°F 65.1°F 4.39 in 90.2°F 59.3°F 2.12 in
August 82.6°F 62.9°F 3.50 in 87.9°F 57.2°F 1.83 in
September 77.9°F 55.7°F 3.35 in 80.1°F 48.2°F 1.51 in
October 65.7°F 44.3°F 3.32 in 66.7°F 35.7°F 0.98 in
November 51.1°F 32.4°F 3.15 in 54.8°F 25.5°F 0.70 in
December 39.3°F 23.9°F 2.35 in 45.9°F 17.7°F 0.47 in
Royal overview
Full climate profile
 Denver overview
Full climate profile