Gillette, WY vs Denver, CO

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

Gillette is cooler than Denver (46.8°F vs 51.4°F annual avg) and similar rainfall to it (17.6 in vs 15.4 in per year). Gillette has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Gillette, WY

Annual avg
46.8°F
Annual precip
17.6 in
Warmest month
July (86.4°F)
Coldest month
January (15.8°F)
Annual swing
45.8°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Gillette

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 Gillette Denver
High Low Precip High Low Precip
January 36.2°F 15.8°F 0.59 in 46.5°F 17.6°F 0.46 in
February 37.6°F 16.8°F 0.78 in 47.5°F 19.3°F 0.53 in
March 48.7°F 24.8°F 1.13 in 56.4°F 27.1°F 1.12 in
April 56.4°F 31.7°F 2.13 in 62.5°F 33.7°F 1.67 in
May 65.9°F 41.0°F 3.27 in 71.7°F 43.4°F 2.29 in
June 77.0°F 50.2°F 2.54 in 84.1°F 52.9°F 1.68 in
July 86.4°F 57.0°F 1.68 in 90.2°F 59.3°F 2.12 in
August 85.4°F 55.7°F 1.38 in 87.9°F 57.2°F 1.83 in
September 75.3°F 46.4°F 1.25 in 80.1°F 48.2°F 1.51 in
October 59.2°F 34.4°F 1.57 in 66.7°F 35.7°F 0.98 in
November 46.2°F 24.1°F 0.63 in 54.8°F 25.5°F 0.70 in
December 35.8°F 16.1°F 0.64 in 45.9°F 17.7°F 0.47 in
Gillette overview
Full climate profile
 Denver overview
Full climate profile