Troy, MT vs Phoenix, AZ

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

Troy is cooler than Phoenix (46.8°F vs 72.5°F annual avg) and wetter than it (24.4 in vs 8.9 in per year). Troy has a Mediterranean continental (warm summer) climate; Phoenix a Desert (hot) climate.

Troy, MT

Annual avg
46.8°F
Annual precip
24.4 in
Warmest month
July (86.7°F)
Coldest month
January (22.9°F)
Annual swing
40.3°F
Mediterranean continental (warm summer) Dsb USDA Zone 7b

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

Troy

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 Troy Phoenix
High Low Precip High Low Precip
January 32.7°F 22.9°F 2.63 in 65.4°F 44.1°F 1.17 in
February 39.0°F 23.6°F 1.85 in 68.1°F 46.1°F 1.21 in
March 49.7°F 28.0°F 2.44 in 75.0°F 50.9°F 1.09 in
April 59.1°F 33.0°F 1.65 in 82.5°F 56.6°F 0.35 in
May 69.8°F 40.1°F 1.79 in 91.5°F 64.7°F 0.19 in
June 75.8°F 46.2°F 2.52 in 101.5°F 72.7°F 0.03 in
July 86.7°F 49.4°F 0.88 in 104.0°F 80.8°F 0.81 in
August 86.0°F 47.7°F 0.71 in 102.5°F 80.5°F 0.96 in
September 74.9°F 41.7°F 1.21 in 97.5°F 74.7°F 0.71 in
October 56.5°F 34.6°F 2.42 in 86.3°F 62.7°F 0.67 in
November 40.6°F 29.3°F 3.50 in 74.0°F 50.8°F 0.90 in
December 32.4°F 23.5°F 2.79 in 63.9°F 42.7°F 0.81 in
Troy overview
Full climate profile
 Phoenix overview
Full climate profile