St. Marys, GA vs Phoenix, AZ

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

St. Marys is cooler than Phoenix (67.8°F vs 72.5°F annual avg) and wetter than it (47.2 in vs 8.9 in per year). St. Marys has a Humid subtropical climate; Phoenix a Desert (hot) climate.

St. Marys, GA

Annual avg
67.8°F
Annual precip
47.2 in
Warmest month
July (88.8°F)
Coldest month
January (42.9°F)
Annual swing
28.6°F
Pleasant months
4 / 12
Humid subtropical Cfa USDA Zone 9b

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. Marys

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. Marys Phoenix
High Low Precip High Low Precip
January 62.3°F 42.9°F 2.83 in 65.4°F 44.1°F 1.17 in
February 64.9°F 45.3°F 2.82 in 68.1°F 46.1°F 1.21 in
March 69.9°F 50.8°F 3.31 in 75.0°F 50.9°F 1.09 in
April 75.6°F 57.0°F 2.77 in 82.5°F 56.6°F 0.35 in
May 82.0°F 65.1°F 3.71 in 91.5°F 64.7°F 0.19 in
June 86.4°F 71.4°F 6.29 in 101.5°F 72.7°F 0.03 in
July 88.8°F 73.5°F 4.58 in 104.0°F 80.8°F 0.81 in
August 88.5°F 73.7°F 6.53 in 102.5°F 80.5°F 0.96 in
September 84.7°F 71.0°F 5.20 in 97.5°F 74.7°F 0.71 in
October 78.9°F 61.6°F 4.39 in 86.3°F 62.7°F 0.67 in
November 70.5°F 51.5°F 1.68 in 74.0°F 50.8°F 0.90 in
December 64.8°F 45.7°F 3.06 in 63.9°F 42.7°F 0.81 in
St. Marys overview
Full climate profile
 Phoenix overview
Full climate profile