Shelley, ID vs Phoenix, AZ

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

Shelley is cooler than Phoenix (44.2°F vs 72.5°F annual avg) and similar rainfall to it (10.1 in vs 8.9 in per year). Shelley has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Shelley, ID

Annual avg
44.2°F
Annual precip
10.1 in
Warmest month
July (86.6°F)
Coldest month
January (12.1°F)
Annual swing
47.6°F
Semi-arid (cold) BSk USDA Zone 6b

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

Shelley

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 Shelley Phoenix
High Low Precip High Low Precip
January 28.7°F 12.1°F 0.67 in 65.4°F 44.1°F 1.17 in
February 34.2°F 15.7°F 0.56 in 68.1°F 46.1°F 1.21 in
March 47.2°F 25.3°F 0.81 in 75.0°F 50.9°F 1.09 in
April 57.5°F 31.4°F 1.03 in 82.5°F 56.6°F 0.35 in
May 67.2°F 38.4°F 1.57 in 91.5°F 64.7°F 0.19 in
June 76.2°F 44.6°F 1.09 in 101.5°F 72.7°F 0.03 in
July 86.6°F 49.3°F 0.46 in 104.0°F 80.8°F 0.81 in
August 85.6°F 47.5°F 0.59 in 102.5°F 80.5°F 0.96 in
September 74.8°F 40.6°F 0.97 in 97.5°F 74.7°F 0.71 in
October 59.1°F 30.8°F 0.88 in 86.3°F 62.7°F 0.67 in
November 43.0°F 21.9°F 0.66 in 74.0°F 50.8°F 0.90 in
December 30.3°F 13.4°F 0.78 in 63.9°F 42.7°F 0.81 in
Shelley overview
Full climate profile
 Phoenix overview
Full climate profile