Westerville, OH vs Phoenix, AZ

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

Westerville is cooler than Phoenix (53.9°F vs 72.5°F annual avg) and wetter than it (42.2 in vs 8.9 in per year). Westerville has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Westerville, OH

Annual avg
53.9°F
Annual precip
42.2 in
Warmest month
July (85.9°F)
Coldest month
January (22.0°F)
Annual swing
45.5°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 7b

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

Westerville

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 Westerville Phoenix
High Low Precip High Low Precip
January 37.7°F 22.0°F 2.93 in 65.4°F 44.1°F 1.17 in
February 42.0°F 24.0°F 2.36 in 68.1°F 46.1°F 1.21 in
March 52.6°F 31.9°F 3.42 in 75.0°F 50.9°F 1.09 in
April 66.3°F 41.9°F 3.91 in 82.5°F 56.6°F 0.35 in
May 75.5°F 52.4°F 4.22 in 91.5°F 64.7°F 0.19 in
June 83.2°F 61.1°F 5.02 in 101.5°F 72.7°F 0.03 in
July 85.9°F 64.9°F 4.56 in 104.0°F 80.8°F 0.81 in
August 84.6°F 63.1°F 3.64 in 102.5°F 80.5°F 0.96 in
September 79.1°F 56.0°F 3.29 in 97.5°F 74.7°F 0.71 in
October 67.3°F 44.7°F 2.95 in 86.3°F 62.7°F 0.67 in
November 53.4°F 34.9°F 2.88 in 74.0°F 50.8°F 0.90 in
December 42.1°F 27.0°F 3.05 in 63.9°F 42.7°F 0.81 in
Westerville overview
Full climate profile
 Phoenix overview
Full climate profile