Rock Springs, WY vs Denver, CO

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

Rock Springs is cooler than Denver (45°F vs 51.4°F annual avg) and drier than it (10.4 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Rock Springs, WY

Annual avg
45°F
Annual precip
10.4 in
Warmest month
July (86.3°F)
Coldest month
January (12.4°F)
Annual swing
46.6°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

Rock Springs

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 Rock Springs Denver
High Low Precip High Low Precip
January 34.6°F 12.4°F 0.45 in 46.5°F 17.6°F 0.46 in
February 37.9°F 15.1°F 0.43 in 47.5°F 19.3°F 0.53 in
March 48.6°F 23.4°F 0.61 in 56.4°F 27.1°F 1.12 in
April 56.8°F 29.5°F 1.07 in 62.5°F 33.7°F 1.67 in
May 67.3°F 37.4°F 1.88 in 71.7°F 43.4°F 2.29 in
June 78.6°F 45.2°F 0.82 in 84.1°F 52.9°F 1.68 in
July 86.3°F 52.5°F 0.92 in 90.2°F 59.3°F 2.12 in
August 84.4°F 50.7°F 0.89 in 87.9°F 57.2°F 1.83 in
September 75.0°F 41.2°F 1.17 in 80.1°F 48.2°F 1.51 in
October 61.3°F 31.4°F 1.03 in 66.7°F 35.7°F 0.98 in
November 44.7°F 20.7°F 0.66 in 54.8°F 25.5°F 0.70 in
December 33.2°F 12.4°F 0.52 in 45.9°F 17.7°F 0.47 in
Rock Springs overview
Full climate profile
 Denver overview
Full climate profile