Boston, IN vs Phoenix, AZ

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

Boston is cooler than Phoenix (52.3°F vs 72.5°F annual avg) and wetter than it (42.9 in vs 8.9 in per year). Boston has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Boston, IN

Annual avg
52.3°F
Annual precip
42.9 in
Warmest month
July (84.8°F)
Coldest month
January (19.6°F)
Annual swing
46.3°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa 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

Boston

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 Boston Phoenix
High Low Precip High Low Precip
January 36.2°F 19.6°F 3.20 in 65.4°F 44.1°F 1.17 in
February 40.3°F 22.2°F 2.25 in 68.1°F 46.1°F 1.21 in
March 50.8°F 30.8°F 3.42 in 75.0°F 50.9°F 1.09 in
April 63.8°F 40.7°F 4.27 in 82.5°F 56.6°F 0.35 in
May 73.7°F 51.5°F 4.63 in 91.5°F 64.7°F 0.19 in
June 82.0°F 60.2°F 4.80 in 101.5°F 72.7°F 0.03 in
July 84.8°F 63.5°F 4.32 in 104.0°F 80.8°F 0.81 in
August 83.6°F 61.8°F 3.27 in 102.5°F 80.5°F 0.96 in
September 77.6°F 54.2°F 3.12 in 97.5°F 74.7°F 0.71 in
October 65.5°F 42.9°F 3.16 in 86.3°F 62.7°F 0.67 in
November 51.7°F 32.7°F 3.32 in 74.0°F 50.8°F 0.90 in
December 40.4°F 24.7°F 3.10 in 63.9°F 42.7°F 0.81 in
Boston overview
Full climate profile
 Phoenix overview
Full climate profile