Jerome, ID vs Phoenix, AZ

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

Jerome is cooler than Phoenix (50.1°F vs 72.5°F annual avg) and similar rainfall to it (10.5 in vs 8.9 in per year). Jerome has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Jerome, ID

Annual avg
50.1°F
Annual precip
10.5 in
Warmest month
July (90.1°F)
Coldest month
January (21.8°F)
Annual swing
46.1°F
Pleasant months
1 / 12
Semi-arid (cold) BSk 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

Jerome

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 Jerome Phoenix
High Low Precip High Low Precip
January 35.5°F 21.8°F 1.38 in 65.4°F 44.1°F 1.17 in
February 41.3°F 24.8°F 0.82 in 68.1°F 46.1°F 1.21 in
March 51.8°F 30.6°F 1.07 in 75.0°F 50.9°F 1.09 in
April 59.8°F 35.8°F 1.02 in 82.5°F 56.6°F 0.35 in
May 69.6°F 44.4°F 1.32 in 91.5°F 64.7°F 0.19 in
June 79.2°F 51.9°F 0.61 in 101.5°F 72.7°F 0.03 in
July 90.1°F 59.4°F 0.13 in 104.0°F 80.8°F 0.81 in
August 88.6°F 57.1°F 0.25 in 102.5°F 80.5°F 0.96 in
September 78.0°F 48.4°F 0.43 in 97.5°F 74.7°F 0.71 in
October 63.2°F 37.8°F 0.89 in 86.3°F 62.7°F 0.67 in
November 47.3°F 28.3°F 1.03 in 74.0°F 50.8°F 0.90 in
December 35.5°F 22.2°F 1.50 in 63.9°F 42.7°F 0.81 in
Jerome overview
Full climate profile
 Phoenix overview
Full climate profile