Harlan, IA vs Denver, CO

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

Harlan is about the same temperature as Denver (49.5°F vs 51.4°F annual avg) and wetter than it (34.3 in vs 15.4 in per year). Harlan has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Harlan, IA

Annual avg
49.5°F
Annual precip
34.3 in
Warmest month
July (85.9°F)
Coldest month
January (10.3°F)
Annual swing
54.2°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Harlan

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 Harlan Denver
High Low Precip High Low Precip
January 30.7°F 10.3°F 0.90 in 46.5°F 17.6°F 0.46 in
February 35.7°F 13.7°F 0.98 in 47.5°F 19.3°F 0.53 in
March 49.9°F 25.3°F 2.05 in 56.4°F 27.1°F 1.12 in
April 63.3°F 36.4°F 3.34 in 62.5°F 33.7°F 1.67 in
May 74.1°F 49.3°F 4.74 in 71.7°F 43.4°F 2.29 in
June 83.6°F 59.9°F 5.17 in 84.1°F 52.9°F 1.68 in
July 85.9°F 63.6°F 3.72 in 90.2°F 59.3°F 2.12 in
August 84.0°F 60.8°F 4.32 in 87.9°F 57.2°F 1.83 in
September 78.5°F 51.7°F 4.00 in 80.1°F 48.2°F 1.51 in
October 65.4°F 39.1°F 2.37 in 66.7°F 35.7°F 0.98 in
November 49.3°F 25.9°F 1.43 in 54.8°F 25.5°F 0.70 in
December 35.9°F 15.7°F 1.31 in 45.9°F 17.7°F 0.47 in
Harlan overview
Full climate profile
 Denver overview
Full climate profile