St. Louis, MI vs Denver, CO

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

St. Louis is cooler than Denver (47°F vs 51.4°F annual avg) and wetter than it (34.5 in vs 15.4 in per year). St. Louis has a Warm-summer humid continental climate; Denver a Semi-arid (cold) climate.

St. Louis, MI

Annual avg
47°F
Annual precip
34.5 in
Warmest month
July (82.2°F)
Coldest month
January (15.0°F)
Annual swing
48.8°F
Pleasant months
1 / 12
Warm-summer humid continental Dfb 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

St. Louis

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 St. Louis Denver
High Low Precip High Low Precip
January 29.1°F 15.0°F 2.17 in 46.5°F 17.6°F 0.46 in
February 32.0°F 15.4°F 1.76 in 47.5°F 19.3°F 0.53 in
March 42.6°F 23.4°F 2.10 in 56.4°F 27.1°F 1.12 in
April 55.9°F 34.5°F 3.46 in 62.5°F 33.7°F 1.67 in
May 68.5°F 45.6°F 3.73 in 71.7°F 43.4°F 2.29 in
June 78.1°F 55.6°F 3.64 in 84.1°F 52.9°F 1.68 in
July 82.2°F 59.3°F 3.26 in 90.2°F 59.3°F 2.12 in
August 80.1°F 57.8°F 3.71 in 87.9°F 57.2°F 1.83 in
September 72.9°F 49.7°F 2.73 in 80.1°F 48.2°F 1.51 in
October 60.0°F 39.4°F 3.24 in 66.7°F 35.7°F 0.98 in
November 45.8°F 29.7°F 2.66 in 54.8°F 25.5°F 0.70 in
December 34.5°F 21.9°F 2.04 in 45.9°F 17.7°F 0.47 in
St. Louis overview
Full climate profile
 Denver overview
Full climate profile