Preston, IA vs Denver, CO

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

Preston is cooler than Denver (47.9°F vs 51.4°F annual avg) and wetter than it (36.7 in vs 15.4 in per year). Preston has a Hot-summer humid continental climate; Denver a Semi-arid (cold) climate.

Preston, IA

Annual avg
47.9°F
Annual precip
36.7 in
Warmest month
July (82.2°F)
Coldest month
January (11.4°F)
Annual swing
53.5°F
Pleasant months
2 / 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

Preston

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 Preston Denver
High Low Precip High Low Precip
January 26.7°F 11.4°F 1.32 in 46.5°F 17.6°F 0.46 in
February 31.2°F 15.1°F 1.65 in 47.5°F 19.3°F 0.53 in
March 44.5°F 26.4°F 2.22 in 56.4°F 27.1°F 1.12 in
April 58.6°F 37.0°F 3.44 in 62.5°F 33.7°F 1.67 in
May 70.3°F 49.3°F 4.21 in 71.7°F 43.4°F 2.29 in
June 79.4°F 59.8°F 5.09 in 84.1°F 52.9°F 1.68 in
July 82.2°F 62.9°F 4.15 in 90.2°F 59.3°F 2.12 in
August 80.6°F 60.6°F 4.18 in 87.9°F 57.2°F 1.83 in
September 74.8°F 51.6°F 3.64 in 80.1°F 48.2°F 1.51 in
October 61.7°F 39.8°F 2.93 in 66.7°F 35.7°F 0.98 in
November 46.1°F 28.3°F 2.08 in 54.8°F 25.5°F 0.70 in
December 32.5°F 18.0°F 1.78 in 45.9°F 17.7°F 0.47 in
Preston overview
Full climate profile
 Denver overview
Full climate profile