Sidney, MT vs Denver, CO

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

Sidney is cooler than Denver (45.2°F vs 51.4°F annual avg) and similar rainfall to it (15.5 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Sidney, MT

Annual avg
45.2°F
Annual precip
15.5 in
Warmest month
July (86.6°F)
Coldest month
January (6.5°F)
Annual swing
55.1°F
Pleasant months
1 / 12
Semi-arid (cold) BSk USDA Zone 6a

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

Sidney

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 Sidney Denver
High Low Precip High Low Precip
January 27.2°F 6.5°F 0.45 in 46.5°F 17.6°F 0.46 in
February 32.0°F 10.6°F 0.37 in 47.5°F 19.3°F 0.53 in
March 45.8°F 21.0°F 0.58 in 56.4°F 27.1°F 1.12 in
April 60.5°F 31.8°F 1.17 in 62.5°F 33.7°F 1.67 in
May 71.3°F 42.7°F 2.40 in 71.7°F 43.4°F 2.29 in
June 79.1°F 52.3°F 2.78 in 84.1°F 52.9°F 1.68 in
July 86.6°F 57.3°F 2.65 in 90.2°F 59.3°F 2.12 in
August 86.4°F 55.1°F 1.30 in 87.9°F 57.2°F 1.83 in
September 75.8°F 45.5°F 1.62 in 80.1°F 48.2°F 1.51 in
October 59.4°F 33.6°F 1.08 in 66.7°F 35.7°F 0.98 in
November 41.9°F 21.2°F 0.59 in 54.8°F 25.5°F 0.70 in
December 30.6°F 10.7°F 0.51 in 45.9°F 17.7°F 0.47 in
Sidney overview
Full climate profile
 Denver overview
Full climate profile