Ollie, IA vs Denver, CO

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

Ollie is cooler than Denver (48.9°F vs 51.4°F annual avg) and wetter than it (37.4 in vs 15.4 in per year). Ollie has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Ollie, IA

Annual avg
48.9°F
Annual precip
37.4 in
Warmest month
July (84.6°F)
Coldest month
January (11.5°F)
Annual swing
52.9°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

Ollie

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 Ollie Denver
High Low Precip High Low Precip
January 29.8°F 11.5°F 1.18 in 46.5°F 17.6°F 0.46 in
February 34.6°F 15.1°F 1.47 in 47.5°F 19.3°F 0.53 in
March 47.6°F 26.3°F 2.34 in 56.4°F 27.1°F 1.12 in
April 60.7°F 37.2°F 3.70 in 62.5°F 33.7°F 1.67 in
May 71.0°F 49.1°F 4.95 in 71.7°F 43.4°F 2.29 in
June 80.6°F 59.1°F 5.11 in 84.1°F 52.9°F 1.68 in
July 84.6°F 62.7°F 3.93 in 90.2°F 59.3°F 2.12 in
August 82.8°F 60.4°F 4.76 in 87.9°F 57.2°F 1.83 in
September 76.4°F 51.7°F 3.47 in 80.1°F 48.2°F 1.51 in
October 63.4°F 39.8°F 2.78 in 66.7°F 35.7°F 0.98 in
November 48.2°F 27.7°F 2.18 in 54.8°F 25.5°F 0.70 in
December 35.3°F 17.7°F 1.54 in 45.9°F 17.7°F 0.47 in
Ollie overview
Full climate profile
 Denver overview
Full climate profile