Zillah, WA vs Phoenix, AZ

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

Zillah is cooler than Phoenix (52.3°F vs 72.5°F annual avg) and similar rainfall to it (7.8 in vs 8.9 in per year). Zillah has a Desert (cold) climate; Phoenix a Desert (hot) climate.

Zillah, WA

Annual avg
52.3°F
Annual precip
7.8 in
Warmest month
July (90.2°F)
Coldest month
December (23.3°F)
Annual swing
43.8°F
Desert (cold) BWk 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

Zillah

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 Zillah Phoenix
High Low Precip High Low Precip
January 39.3°F 24.4°F 1.10 in 65.4°F 44.1°F 1.17 in
February 47.5°F 26.3°F 0.61 in 68.1°F 46.1°F 1.21 in
March 56.9°F 32.6°F 0.56 in 75.0°F 50.9°F 1.09 in
April 65.2°F 38.7°F 0.56 in 82.5°F 56.6°F 0.35 in
May 74.5°F 46.6°F 0.83 in 91.5°F 64.7°F 0.19 in
June 81.2°F 53.3°F 0.54 in 101.5°F 72.7°F 0.03 in
July 90.2°F 59.2°F 0.24 in 104.0°F 80.8°F 0.81 in
August 88.8°F 57.7°F 0.23 in 102.5°F 80.5°F 0.96 in
September 80.3°F 48.8°F 0.23 in 97.5°F 74.7°F 0.71 in
October 65.9°F 37.3°F 0.64 in 86.3°F 62.7°F 0.67 in
November 49.5°F 28.7°F 0.92 in 74.0°F 50.8°F 0.90 in
December 38.5°F 23.3°F 1.36 in 63.9°F 42.7°F 0.81 in
Zillah overview
Full climate profile
 Phoenix overview
Full climate profile