Johnstown, CO vs Denver, CO

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

Johnstown is cooler than Denver (48.7°F vs 51.4°F annual avg) and similar rainfall to it (15.6 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Johnstown, CO

Annual avg
48.7°F
Annual precip
15.6 in
Warmest month
July (88.6°F)
Coldest month
January (12.9°F)
Annual swing
43.5°F
Semi-arid (cold) BSk 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

Johnstown

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 Johnstown Denver
High Low Precip High Low Precip
January 43.9°F 12.9°F 0.52 in 46.5°F 17.6°F 0.46 in
February 46.2°F 15.4°F 0.62 in 47.5°F 19.3°F 0.53 in
March 56.1°F 23.0°F 1.28 in 56.4°F 27.1°F 1.12 in
April 62.4°F 30.6°F 2.18 in 62.5°F 33.7°F 1.67 in
May 71.0°F 39.8°F 2.68 in 71.7°F 43.4°F 2.29 in
June 82.7°F 49.2°F 1.63 in 84.1°F 52.9°F 1.68 in
July 88.6°F 55.1°F 1.47 in 90.2°F 59.3°F 2.12 in
August 86.7°F 52.9°F 1.29 in 87.9°F 57.2°F 1.83 in
September 78.9°F 44.2°F 1.36 in 80.1°F 48.2°F 1.51 in
October 65.2°F 32.2°F 1.18 in 66.7°F 35.7°F 0.98 in
November 52.8°F 21.1°F 0.81 in 54.8°F 25.5°F 0.70 in
December 43.6°F 13.4°F 0.58 in 45.9°F 17.7°F 0.47 in
Johnstown overview
Full climate profile
 Denver overview
Full climate profile