Philadelphia, PA vs Denver, CO

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

Philadelphia is warmer than Denver (57.7°F vs 51.4°F annual avg) and wetter than it (50.7 in vs 15.4 in per year). Philadelphia has a Humid subtropical climate; Denver a Semi-arid (cold) climate.

Philadelphia, PA

Annual avg
57.7°F
Annual precip
50.7 in
Warmest month
July (89.3°F)
Coldest month
January (27.8°F)
Annual swing
45.7°F
Pleasant months
2 / 12
Humid subtropical Cfa USDA Zone 8a

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

Philadelphia

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 Philadelphia Denver
High Low Precip High Low Precip
January 41.6°F 27.8°F 3.61 in 46.5°F 17.6°F 0.46 in
February 44.9°F 29.6°F 3.34 in 47.5°F 19.3°F 0.53 in
March 53.5°F 36.4°F 4.54 in 56.4°F 27.1°F 1.12 in
April 65.9°F 46.3°F 4.00 in 62.5°F 33.7°F 1.67 in
May 75.7°F 56.3°F 4.06 in 71.7°F 43.4°F 2.29 in
June 84.9°F 65.9°F 4.77 in 84.1°F 52.9°F 1.68 in
July 89.3°F 71.4°F 4.75 in 90.2°F 59.3°F 2.12 in
August 87.2°F 69.5°F 4.95 in 87.9°F 57.2°F 1.83 in
September 80.3°F 62.7°F 4.88 in 80.1°F 48.2°F 1.51 in
October 68.1°F 51.1°F 4.15 in 66.7°F 35.7°F 0.98 in
November 56.4°F 41.3°F 3.37 in 54.8°F 25.5°F 0.70 in
December 46.5°F 33.2°F 4.27 in 45.9°F 17.7°F 0.47 in
Philadelphia overview
Full climate profile
 Denver overview
Full climate profile