Janesville, WI vs Denver, CO

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

Janesville is cooler than Denver (47.8°F vs 51.4°F annual avg) and wetter than it (37.4 in vs 15.4 in per year). Janesville has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Janesville, WI

Annual avg
47.8°F
Annual precip
37.4 in
Warmest month
July (83.4°F)
Coldest month
January (11.6°F)
Annual swing
52.7°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

Janesville

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 Janesville Denver
High Low Precip High Low Precip
January 28.3°F 11.6°F 1.63 in 46.5°F 17.6°F 0.46 in
February 32.4°F 14.7°F 1.61 in 47.5°F 19.3°F 0.53 in
March 44.6°F 25.4°F 2.06 in 56.4°F 27.1°F 1.12 in
April 57.9°F 36.1°F 3.57 in 62.5°F 33.7°F 1.67 in
May 69.9°F 48.0°F 4.09 in 71.7°F 43.4°F 2.29 in
June 79.9°F 58.0°F 4.99 in 84.1°F 52.9°F 1.68 in
July 83.4°F 61.7°F 4.19 in 90.2°F 59.3°F 2.12 in
August 81.7°F 59.5°F 4.34 in 87.9°F 57.2°F 1.83 in
September 75.1°F 51.0°F 3.73 in 80.1°F 48.2°F 1.51 in
October 61.7°F 39.5°F 2.99 in 66.7°F 35.7°F 0.98 in
November 46.3°F 28.5°F 2.33 in 54.8°F 25.5°F 0.70 in
December 33.5°F 18.1°F 1.90 in 45.9°F 17.7°F 0.47 in
Janesville overview
Full climate profile
 Denver overview
Full climate profile