Rapid City, SD vs Denver, CO

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

Rapid City is cooler than Denver (48°F vs 51.4°F annual avg) and similar rainfall to it (20 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Rapid City, SD

Annual avg
48°F
Annual precip
20 in
Warmest month
July (84.4°F)
Coldest month
January (16.2°F)
Annual swing
46.6°F
Pleasant months
2 / 12
Semi-arid (cold) BSk USDA Zone 7a

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

Rapid City

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 Rapid City Denver
High Low Precip High Low Precip
January 36.5°F 16.2°F 0.31 in 46.5°F 17.6°F 0.46 in
February 38.3°F 17.5°F 0.53 in 47.5°F 19.3°F 0.53 in
March 47.4°F 25.6°F 0.94 in 56.4°F 27.1°F 1.12 in
April 55.0°F 34.0°F 2.26 in 62.5°F 33.7°F 1.67 in
May 65.3°F 44.6°F 4.12 in 71.7°F 43.4°F 2.29 in
June 76.2°F 54.6°F 3.33 in 84.1°F 52.9°F 1.68 in
July 84.4°F 61.6°F 2.62 in 90.2°F 59.3°F 2.12 in
August 83.4°F 59.9°F 2.17 in 87.9°F 57.2°F 1.83 in
September 74.0°F 50.8°F 1.40 in 80.1°F 48.2°F 1.51 in
October 58.8°F 37.9°F 1.49 in 66.7°F 35.7°F 0.98 in
November 47.0°F 26.6°F 0.48 in 54.8°F 25.5°F 0.70 in
December 37.6°F 18.6°F 0.37 in 45.9°F 17.7°F 0.47 in
Rapid City overview
Full climate profile
 Denver overview
Full climate profile