Island City, OR vs Denver, CO

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

Island City is cooler than Denver (49.4°F vs 51.4°F annual avg) and similar rainfall to it (17.4 in vs 15.4 in per year). Island City has a Mediterranean continental (warm summer) climate; Denver a Semi-arid (cold) climate.

Island City, OR

Annual avg
49.4°F
Annual precip
17.4 in
Warmest month
August (87.0°F)
Coldest month
December (24.4°F)
Annual swing
38.8°F
Mediterranean continental (warm summer) Dsb USDA Zone 7b

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

Island 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 Island City Denver
High Low Precip High Low Precip
January 39.3°F 24.6°F 1.67 in 46.5°F 17.6°F 0.46 in
February 44.0°F 26.8°F 1.23 in 47.5°F 19.3°F 0.53 in
March 51.6°F 30.6°F 1.72 in 56.4°F 27.1°F 1.12 in
April 58.7°F 35.2°F 1.83 in 62.5°F 33.7°F 1.67 in
May 67.8°F 42.5°F 2.24 in 71.7°F 43.4°F 2.29 in
June 74.9°F 48.7°F 1.37 in 84.1°F 52.9°F 1.68 in
July 86.2°F 54.5°F 0.60 in 90.2°F 59.3°F 2.12 in
August 87.0°F 52.8°F 0.67 in 87.9°F 57.2°F 1.83 in
September 77.3°F 44.8°F 0.67 in 80.1°F 48.2°F 1.51 in
October 62.4°F 35.6°F 1.58 in 66.7°F 35.7°F 0.98 in
November 47.7°F 30.0°F 1.94 in 54.8°F 25.5°F 0.70 in
December 38.7°F 24.4°F 1.88 in 45.9°F 17.7°F 0.47 in
Island City overview
Full climate profile
 Denver overview
Full climate profile