Columbus, MT vs Phoenix, AZ

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

Columbus is cooler than Phoenix (44.4°F vs 72.5°F annual avg) and wetter than it (15.5 in vs 8.9 in per year). Columbus has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Columbus, MT

Annual avg
44.4°F
Annual precip
15.5 in
Warmest month
July (85.4°F)
Coldest month
January (10.0°F)
Annual swing
44.3°F
Warm-summer humid continental Dfb USDA Zone 6b

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

Columbus

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 Columbus Phoenix
High Low Precip High Low Precip
January 36.8°F 10.0°F 0.62 in 65.4°F 44.1°F 1.17 in
February 40.3°F 13.0°F 0.67 in 68.1°F 46.1°F 1.21 in
March 50.5°F 20.6°F 0.93 in 75.0°F 50.9°F 1.09 in
April 58.0°F 28.2°F 1.97 in 82.5°F 56.6°F 0.35 in
May 66.8°F 37.2°F 2.82 in 91.5°F 64.7°F 0.19 in
June 75.9°F 44.9°F 2.25 in 101.5°F 72.7°F 0.03 in
July 85.4°F 50.0°F 1.15 in 104.0°F 80.8°F 0.81 in
August 84.1°F 47.7°F 0.93 in 102.5°F 80.5°F 0.96 in
September 74.2°F 39.2°F 1.36 in 97.5°F 74.7°F 0.71 in
October 60.0°F 29.4°F 1.49 in 86.3°F 62.7°F 0.67 in
November 46.4°F 18.8°F 0.69 in 74.0°F 50.8°F 0.90 in
December 36.6°F 10.7°F 0.65 in 63.9°F 42.7°F 0.81 in
Columbus overview
Full climate profile
 Phoenix overview
Full climate profile