Preston, ID vs Phoenix, AZ

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

Preston is cooler than Phoenix (47°F vs 72.5°F annual avg) and wetter than it (17.3 in vs 8.9 in per year). Preston has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Preston, ID

Annual avg
47°F
Annual precip
17.3 in
Warmest month
July (89.2°F)
Coldest month
January (15.3°F)
Annual swing
47.6°F
Warm-summer humid continental Dfb 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

Preston

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 Preston Phoenix
High Low Precip High Low Precip
January 32.3°F 15.3°F 1.66 in 65.4°F 44.1°F 1.17 in
February 37.7°F 18.3°F 1.40 in 68.1°F 46.1°F 1.21 in
March 50.3°F 27.2°F 1.50 in 75.0°F 50.9°F 1.09 in
April 59.1°F 32.9°F 1.89 in 82.5°F 56.6°F 0.35 in
May 69.1°F 40.4°F 2.24 in 91.5°F 64.7°F 0.19 in
June 79.4°F 46.8°F 1.24 in 101.5°F 72.7°F 0.03 in
July 89.2°F 53.5°F 0.74 in 104.0°F 80.8°F 0.81 in
August 87.4°F 52.4°F 0.81 in 102.5°F 80.5°F 0.96 in
September 76.9°F 43.0°F 1.48 in 97.5°F 74.7°F 0.71 in
October 62.6°F 33.4°F 1.59 in 86.3°F 62.7°F 0.67 in
November 46.5°F 24.1°F 1.18 in 74.0°F 50.8°F 0.90 in
December 33.5°F 16.5°F 1.57 in 63.9°F 42.7°F 0.81 in
Preston overview
Full climate profile
 Phoenix overview
Full climate profile