Johnstown, PA vs Phoenix, AZ

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

Johnstown is cooler than Phoenix (48.9°F vs 72.5°F annual avg) and wetter than it (41.3 in vs 8.9 in per year). Johnstown has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Johnstown, PA

Annual avg
48.9°F
Annual precip
41.3 in
Warmest month
July (78.6°F)
Coldest month
January (19.2°F)
Annual swing
43.6°F
Pleasant months
4 / 12
Warm-summer humid continental Dfb 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

Johnstown

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 Johnstown Phoenix
High Low Precip High Low Precip
January 33.4°F 19.2°F 2.54 in 65.4°F 44.1°F 1.17 in
February 36.3°F 21.2°F 2.53 in 68.1°F 46.1°F 1.21 in
March 44.7°F 28.0°F 3.12 in 75.0°F 50.9°F 1.09 in
April 57.9°F 38.4°F 3.54 in 82.5°F 56.6°F 0.35 in
May 68.2°F 48.8°F 4.12 in 91.5°F 64.7°F 0.19 in
June 74.9°F 57.2°F 4.40 in 101.5°F 72.7°F 0.03 in
July 78.6°F 61.2°F 4.22 in 104.0°F 80.8°F 0.81 in
August 77.1°F 60.0°F 3.95 in 102.5°F 80.5°F 0.96 in
September 70.5°F 52.7°F 3.99 in 97.5°F 74.7°F 0.71 in
October 59.4°F 42.7°F 3.06 in 86.3°F 62.7°F 0.67 in
November 47.4°F 32.8°F 3.11 in 74.0°F 50.8°F 0.90 in
December 37.8°F 24.6°F 2.68 in 63.9°F 42.7°F 0.81 in
Johnstown overview
Full climate profile
 Phoenix overview
Full climate profile