Olney, IL vs Denver, CO

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

Olney is warmer than Denver (54.2°F vs 51.4°F annual avg) and wetter than it (48.8 in vs 15.4 in per year). Olney has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Olney, IL

Annual avg
54.2°F
Annual precip
48.8 in
Warmest month
July (86.8°F)
Coldest month
January (20.8°F)
Annual swing
46.9°F
Pleasant months
1 / 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

Olney

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 Olney Denver
High Low Precip High Low Precip
January 37.8°F 20.8°F 3.52 in 46.5°F 17.6°F 0.46 in
February 42.7°F 23.9°F 2.57 in 47.5°F 19.3°F 0.53 in
March 53.4°F 32.3°F 4.21 in 56.4°F 27.1°F 1.12 in
April 65.6°F 42.7°F 5.02 in 62.5°F 33.7°F 1.67 in
May 75.1°F 53.3°F 5.60 in 71.7°F 43.4°F 2.29 in
June 84.1°F 62.4°F 4.79 in 84.1°F 52.9°F 1.68 in
July 86.8°F 65.6°F 4.96 in 90.2°F 59.3°F 2.12 in
August 85.8°F 63.8°F 3.19 in 87.9°F 57.2°F 1.83 in
September 80.4°F 55.8°F 3.31 in 80.1°F 48.2°F 1.51 in
October 68.5°F 44.3°F 3.83 in 66.7°F 35.7°F 0.98 in
November 53.9°F 33.5°F 4.26 in 54.8°F 25.5°F 0.70 in
December 42.3°F 25.7°F 3.50 in 45.9°F 17.7°F 0.47 in
Olney overview
Full climate profile
 Denver overview
Full climate profile