Marietta, GA vs Phoenix, AZ

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

Marietta is cooler than Phoenix (60.1°F vs 72.5°F annual avg) and wetter than it (56.2 in vs 8.9 in per year). Marietta has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Marietta, GA

Annual avg
60.1°F
Annual precip
56.2 in
Warmest month
July (83.8°F)
Coldest month
January (31.7°F)
Annual swing
33.6°F
Pleasant months
3 / 12
Humid subtropical Cfa USDA Zone 8b

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

Marietta

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 Marietta Phoenix
High Low Precip High Low Precip
January 53.3°F 31.7°F 4.94 in 65.4°F 44.1°F 1.17 in
February 57.4°F 34.6°F 4.94 in 68.1°F 46.1°F 1.21 in
March 65.4°F 40.2°F 4.94 in 75.0°F 50.9°F 1.09 in
April 71.7°F 48.3°F 4.03 in 82.5°F 56.6°F 0.35 in
May 76.5°F 57.4°F 4.18 in 91.5°F 64.7°F 0.19 in
June 82.4°F 65.1°F 4.14 in 101.5°F 72.7°F 0.03 in
July 83.8°F 68.4°F 7.03 in 104.0°F 80.8°F 0.81 in
August 83.6°F 67.9°F 4.81 in 102.5°F 80.5°F 0.96 in
September 79.5°F 61.8°F 3.70 in 97.5°F 74.7°F 0.71 in
October 70.8°F 50.9°F 4.15 in 86.3°F 62.7°F 0.67 in
November 62.9°F 39.8°F 4.46 in 74.0°F 50.8°F 0.90 in
December 55.4°F 34.9°F 4.86 in 63.9°F 42.7°F 0.81 in
Marietta overview
Full climate profile
 Phoenix overview
Full climate profile