Fort Collins, CO vs Phoenix, AZ

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

Fort Collins is cooler than Phoenix (50.7°F vs 72.5°F annual avg) and wetter than it (15.9 in vs 8.9 in per year). Fort Collins has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Fort Collins, CO

Annual avg
50.7°F
Annual precip
15.9 in
Warmest month
July (87.4°F)
Coldest month
January (18.3°F)
Annual swing
42°F
Semi-arid (cold) BSk USDA Zone 7a

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

Best months to visit each city

Fort Collins

J
F
M
A
M
J
J
A
S
O
N
D

Phoenix

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Fort Collins Phoenix
High Low Precip High Low Precip
January 45.0°F 18.3°F 0.41 in 65.4°F 44.1°F 1.17 in
February 46.8°F 20.7°F 0.47 in 68.1°F 46.1°F 1.21 in
March 56.4°F 28.5°F 1.31 in 75.0°F 50.9°F 1.09 in
April 62.5°F 35.4°F 2.10 in 82.5°F 56.6°F 0.35 in
May 70.9°F 44.1°F 2.72 in 91.5°F 64.7°F 0.19 in
June 81.8°F 52.8°F 1.90 in 101.5°F 72.7°F 0.03 in
July 87.4°F 58.7°F 1.63 in 104.0°F 80.8°F 0.81 in
August 85.0°F 56.5°F 1.45 in 102.5°F 80.5°F 0.96 in
September 77.4°F 48.0°F 1.43 in 97.5°F 74.7°F 0.71 in
October 64.3°F 36.1°F 1.25 in 86.3°F 62.7°F 0.67 in
November 52.5°F 26.1°F 0.74 in 74.0°F 50.8°F 0.90 in
December 44.0°F 18.3°F 0.47 in 63.9°F 42.7°F 0.81 in
Fort Collins overview
Full climate profile
 Phoenix overview
Full climate profile