Portsmouth, VA vs Phoenix, AZ

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

Portsmouth is cooler than Phoenix (61.4°F vs 72.5°F annual avg) and wetter than it (45.7 in vs 8.9 in per year). Portsmouth has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Portsmouth, VA

Annual avg
61.4°F
Annual precip
45.7 in
Warmest month
July (88.7°F)
Coldest month
January (34.0°F)
Annual swing
38.6°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

Portsmouth

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 Portsmouth Phoenix
High Low Precip High Low Precip
January 50.0°F 34.0°F 2.93 in 65.4°F 44.1°F 1.17 in
February 52.8°F 35.4°F 2.55 in 68.1°F 46.1°F 1.21 in
March 59.4°F 41.3°F 3.47 in 75.0°F 50.9°F 1.09 in
April 69.5°F 50.3°F 3.28 in 82.5°F 56.6°F 0.35 in
May 77.0°F 59.5°F 3.55 in 91.5°F 64.7°F 0.19 in
June 84.4°F 68.0°F 4.64 in 101.5°F 72.7°F 0.03 in
July 88.7°F 72.6°F 5.21 in 104.0°F 80.8°F 0.81 in
August 86.3°F 71.5°F 5.30 in 102.5°F 80.5°F 0.96 in
September 80.8°F 66.7°F 5.14 in 97.5°F 74.7°F 0.71 in
October 71.7°F 55.5°F 3.58 in 86.3°F 62.7°F 0.67 in
November 61.4°F 44.7°F 3.14 in 74.0°F 50.8°F 0.90 in
December 53.9°F 37.9°F 2.89 in 63.9°F 42.7°F 0.81 in
Portsmouth overview
Full climate profile
 Phoenix overview
Full climate profile