St. George, AK vs Phoenix, AZ

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

St. George is cooler than Phoenix (36.7°F vs 72.5°F annual avg) and wetter than it (20.4 in vs 8.9 in per year). St. George has a Tundra climate; Phoenix a Desert (hot) climate.

St. George, AK

Annual avg
36.7°F
Annual precip
20.4 in
Warmest month
August (52.4°F)
Coldest month
January (22.8°F)
Annual swing
22.8°F
Tundra ET 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

St. George

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 St. George Phoenix
High Low Precip High Low Precip
January 30.3°F 22.8°F 1.17 in 65.4°F 44.1°F 1.17 in
February 31.5°F 24.0°F 1.06 in 68.1°F 46.1°F 1.21 in
March 31.4°F 23.3°F 0.80 in 75.0°F 50.9°F 1.09 in
April 35.4°F 27.6°F 0.89 in 82.5°F 56.6°F 0.35 in
May 41.7°F 33.5°F 1.01 in 91.5°F 64.7°F 0.19 in
June 47.2°F 39.4°F 1.26 in 101.5°F 72.7°F 0.03 in
July 51.2°F 44.4°F 1.97 in 104.0°F 80.8°F 0.81 in
August 52.4°F 46.2°F 2.66 in 102.5°F 80.5°F 0.96 in
September 49.6°F 42.4°F 2.53 in 97.5°F 74.7°F 0.71 in
October 43.3°F 35.7°F 3.00 in 86.3°F 62.7°F 0.67 in
November 37.9°F 30.4°F 2.25 in 74.0°F 50.8°F 0.90 in
December 33.7°F 25.9°F 1.78 in 63.9°F 42.7°F 0.81 in
St. George overview
Full climate profile
 Phoenix overview
Full climate profile