Plains, MT vs Denver, CO

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

Plains is cooler than Denver (46.2°F vs 51.4°F annual avg) and drier than it (0 in vs 15.4 in per year). Plains has a Desert (cold) climate; Denver a Semi-arid (cold) climate.

Plains, MT

Annual avg
46.2°F
Annual precip
0 in
Warmest month
August (86.7°F)
Coldest month
December (20.9°F)
Annual swing
39.7°F
Desert (cold) BWk 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

Plains

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 Plains Denver
High Low Precip High Low Precip
January 35.0°F 21.5°F — in 46.5°F 17.6°F 0.46 in
February 41.0°F 21.4°F — in 47.5°F 19.3°F 0.53 in
March 50.6°F 26.3°F — in 56.4°F 27.1°F 1.12 in
April 59.0°F 31.5°F — in 62.5°F 33.7°F 1.67 in
May 69.0°F 38.3°F — in 71.7°F 43.4°F 2.29 in
June 76.5°F 44.1°F — in 84.1°F 52.9°F 1.68 in
July 86.4°F 47.2°F — in 90.2°F 59.3°F 2.12 in
August 86.7°F 45.3°F — in 87.9°F 57.2°F 1.83 in
September 76.0°F 39.4°F — in 80.1°F 48.2°F 1.51 in
October 58.5°F 32.1°F — in 66.7°F 35.7°F 0.98 in
November 41.8°F 26.4°F — in 54.8°F 25.5°F 0.70 in
December 33.3°F 20.9°F — in 45.9°F 17.7°F 0.47 in
Plains overview
Full climate profile
 Denver overview
Full climate profile