Alton, UT vs Phoenix, AZ

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

Alton is cooler than Phoenix (47.3°F vs 72.5°F annual avg) and wetter than it (17.3 in vs 8.9 in per year). Alton has a Mediterranean continental (warm summer) climate; Phoenix a Desert (hot) climate.

Alton, UT

Annual avg
47.3°F
Annual precip
17.3 in
Warmest month
July (85.3°F)
Coldest month
December (17.8°F)
Annual swing
38.8°F
Mediterranean continental (warm summer) Dsb 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

Alton

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 Alton Phoenix
High Low Precip High Low Precip
January 41.3°F 17.9°F 2.03 in 65.4°F 44.1°F 1.17 in
February 43.4°F 19.4°F 2.07 in 68.1°F 46.1°F 1.21 in
March 51.5°F 24.4°F 1.51 in 75.0°F 50.9°F 1.09 in
April 60.0°F 29.0°F 0.82 in 82.5°F 56.6°F 0.35 in
May 69.4°F 35.2°F 0.87 in 91.5°F 64.7°F 0.19 in
June 80.5°F 43.0°F 0.41 in 101.5°F 72.7°F 0.03 in
July 85.3°F 51.2°F 1.17 in 104.0°F 80.8°F 0.81 in
August 83.1°F 50.1°F 1.87 in 102.5°F 80.5°F 0.96 in
September 75.9°F 42.9°F 1.70 in 97.5°F 74.7°F 0.71 in
October 64.1°F 33.5°F 1.80 in 86.3°F 62.7°F 0.67 in
November 51.2°F 24.3°F 1.22 in 74.0°F 50.8°F 0.90 in
December 41.0°F 17.8°F 1.83 in 63.9°F 42.7°F 0.81 in
Alton overview
Full climate profile
 Phoenix overview
Full climate profile