Phoenix, AZ vs Denver, CO

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

Phoenix is warmer than Denver (72.5°F vs 51.4°F annual avg) and drier than it (8.9 in vs 15.4 in per year). Phoenix has a Desert (hot) climate; Denver a Semi-arid (cold) climate.

Phoenix, AZ

Annual avg
72.5°F
Annual precip
8.9 in
Warmest month
July (104.0°F)
Coldest month
December (42.7°F)
Annual swing
39.1°F
Pleasant months
2 / 12
Desert (hot) BWh USDA Zone 9b

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

Phoenix

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 Phoenix Denver
High Low Precip High Low Precip
January 65.4°F 44.1°F 1.17 in 46.5°F 17.6°F 0.46 in
February 68.1°F 46.1°F 1.21 in 47.5°F 19.3°F 0.53 in
March 75.0°F 50.9°F 1.09 in 56.4°F 27.1°F 1.12 in
April 82.5°F 56.6°F 0.35 in 62.5°F 33.7°F 1.67 in
May 91.5°F 64.7°F 0.19 in 71.7°F 43.4°F 2.29 in
June 101.5°F 72.7°F 0.03 in 84.1°F 52.9°F 1.68 in
July 104.0°F 80.8°F 0.81 in 90.2°F 59.3°F 2.12 in
August 102.5°F 80.5°F 0.96 in 87.9°F 57.2°F 1.83 in
September 97.5°F 74.7°F 0.71 in 80.1°F 48.2°F 1.51 in
October 86.3°F 62.7°F 0.67 in 66.7°F 35.7°F 0.98 in
November 74.0°F 50.8°F 0.90 in 54.8°F 25.5°F 0.70 in
December 63.9°F 42.7°F 0.81 in 45.9°F 17.7°F 0.47 in
Phoenix overview
Full climate profile
 Denver overview
Full climate profile