Fairfield, ID vs Phoenix, AZ

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

Fairfield is cooler than Phoenix (42.1°F vs 72.5°F annual avg) and wetter than it (14.6 in vs 8.9 in per year). Fairfield has a Mediterranean continental (warm summer) climate; Phoenix a Desert (hot) climate.

Fairfield, ID

Annual avg
42.1°F
Annual precip
14.6 in
Warmest month
July (84.0°F)
Coldest month
January (9.2°F)
Annual swing
48.7°F
Mediterranean continental (warm summer) Dsb USDA Zone 6a

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

Fairfield

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 Fairfield Phoenix
High Low Precip High Low Precip
January 27.3°F 9.2°F 2.11 in 65.4°F 44.1°F 1.17 in
February 31.3°F 11.7°F 1.50 in 68.1°F 46.1°F 1.21 in
March 40.7°F 20.6°F 1.61 in 75.0°F 50.9°F 1.09 in
April 53.8°F 30.1°F 1.11 in 82.5°F 56.6°F 0.35 in
May 64.5°F 38.1°F 1.60 in 91.5°F 64.7°F 0.19 in
June 73.0°F 43.3°F 0.85 in 101.5°F 72.7°F 0.03 in
July 84.0°F 50.1°F 0.38 in 104.0°F 80.8°F 0.81 in
August 82.8°F 48.3°F 0.35 in 102.5°F 80.5°F 0.96 in
September 73.8°F 39.5°F 0.70 in 97.5°F 74.7°F 0.71 in
October 59.0°F 30.1°F 0.97 in 86.3°F 62.7°F 0.67 in
November 41.7°F 20.3°F 1.39 in 74.0°F 50.8°F 0.90 in
December 28.0°F 10.0°F 1.98 in 63.9°F 42.7°F 0.81 in
Fairfield overview
Full climate profile
 Phoenix overview
Full climate profile