South Portland, ME vs Phoenix, AZ

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

South Portland is cooler than Phoenix (47.5°F vs 72.5°F annual avg) and wetter than it (48.1 in vs 8.9 in per year). South Portland has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

South Portland, ME

Annual avg
47.5°F
Annual precip
48.1 in
Warmest month
July (79.5°F)
Coldest month
January (15.6°F)
Annual swing
46.4°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

South Portland

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 South Portland Phoenix
High Low Precip High Low Precip
January 32.4°F 15.6°F 3.50 in 65.4°F 44.1°F 1.17 in
February 35.0°F 17.3°F 3.54 in 68.1°F 46.1°F 1.21 in
March 42.3°F 26.0°F 4.08 in 75.0°F 50.9°F 1.09 in
April 53.8°F 35.4°F 4.41 in 82.5°F 56.6°F 0.35 in
May 64.2°F 45.5°F 3.67 in 91.5°F 64.7°F 0.19 in
June 73.6°F 55.0°F 4.15 in 101.5°F 72.7°F 0.03 in
July 79.5°F 61.2°F 3.43 in 104.0°F 80.8°F 0.81 in
August 78.7°F 59.7°F 3.57 in 102.5°F 80.5°F 0.96 in
September 71.1°F 52.1°F 3.77 in 97.5°F 74.7°F 0.71 in
October 59.5°F 41.0°F 5.25 in 86.3°F 62.7°F 0.67 in
November 48.4°F 31.7°F 4.25 in 74.0°F 50.8°F 0.90 in
December 38.3°F 22.4°F 4.50 in 63.9°F 42.7°F 0.81 in
South Portland overview
Full climate profile
 Phoenix overview
Full climate profile