Westby, MT vs Denver, CO

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

Westby is cooler than Denver (39.1°F vs 51.4°F annual avg) and similar rainfall to it (14.9 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Westby, MT

Annual avg
39.1°F
Annual precip
14.9 in
Warmest month
August (80.0°F)
Coldest month
January (-2.2°F)
Annual swing
58.6°F
Pleasant months
2 / 12
Semi-arid (cold) BSk USDA Zone 5a

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

Westby

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 Westby Denver
High Low Precip High Low Precip
January 19.5°F -2.2°F 0.37 in 46.5°F 17.6°F 0.46 in
February 23.5°F 2.1°F 0.34 in 47.5°F 19.3°F 0.53 in
March 35.7°F 14.2°F 0.55 in 56.4°F 27.1°F 1.12 in
April 52.6°F 27.3°F 0.98 in 62.5°F 33.7°F 1.67 in
May 65.3°F 39.5°F 2.17 in 71.7°F 43.4°F 2.29 in
June 73.1°F 49.9°F 3.14 in 84.1°F 52.9°F 1.68 in
July 79.9°F 54.6°F 2.49 in 90.2°F 59.3°F 2.12 in
August 80.0°F 51.8°F 1.64 in 87.9°F 57.2°F 1.83 in
September 69.6°F 41.1°F 1.26 in 80.1°F 48.2°F 1.51 in
October 53.5°F 28.6°F 0.97 in 66.7°F 35.7°F 0.98 in
November 36.1°F 14.6°F 0.52 in 54.8°F 25.5°F 0.70 in
December 23.7°F 3.8°F 0.48 in 45.9°F 17.7°F 0.47 in
Westby overview
Full climate profile
 Denver overview
Full climate profile