Star Valley, AZ vs Phoenix, AZ

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

Star Valley is cooler than Phoenix (57°F vs 72.5°F annual avg) and wetter than it (19.8 in vs 8.9 in per year). Star Valley has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Star Valley, AZ

Annual avg
57°F
Annual precip
19.8 in
Warmest month
July (92.5°F)
Coldest month
December (25.6°F)
Annual swing
35.8°F
Semi-arid (cold) BSk USDA Zone 8a

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

Star Valley

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 Star Valley Phoenix
High Low Precip High Low Precip
January 56.1°F 26.0°F 2.27 in 65.4°F 44.1°F 1.17 in
February 58.5°F 27.7°F 2.33 in 68.1°F 46.1°F 1.21 in
March 65.1°F 31.6°F 1.89 in 75.0°F 50.9°F 1.09 in
April 71.6°F 36.0°F 0.82 in 82.5°F 56.6°F 0.35 in
May 80.0°F 42.8°F 0.54 in 91.5°F 64.7°F 0.19 in
June 90.2°F 50.8°F 0.21 in 101.5°F 72.7°F 0.03 in
July 92.5°F 59.5°F 2.81 in 104.0°F 80.8°F 0.81 in
August 90.5°F 59.2°F 2.60 in 102.5°F 80.5°F 0.96 in
September 85.9°F 51.9°F 1.54 in 97.5°F 74.7°F 0.71 in
October 75.9°F 40.6°F 1.26 in 86.3°F 62.7°F 0.67 in
November 64.3°F 31.0°F 1.48 in 74.0°F 50.8°F 0.90 in
December 54.9°F 25.6°F 2.09 in 63.9°F 42.7°F 0.81 in
Star Valley overview
Full climate profile
 Phoenix overview
Full climate profile