Rockdale, IL vs Phoenix, AZ

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

Rockdale is cooler than Phoenix (50.4°F vs 72.5°F annual avg) and wetter than it (38 in vs 8.9 in per year). Rockdale has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Rockdale, IL

Annual avg
50.4°F
Annual precip
38 in
Warmest month
July (83.6°F)
Coldest month
January (16.6°F)
Annual swing
50°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Rockdale

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 Rockdale Phoenix
High Low Precip High Low Precip
January 31.1°F 16.6°F 1.99 in 65.4°F 44.1°F 1.17 in
February 35.4°F 19.8°F 1.78 in 68.1°F 46.1°F 1.21 in
March 47.0°F 29.2°F 2.27 in 75.0°F 50.9°F 1.09 in
April 59.9°F 38.9°F 3.93 in 82.5°F 56.6°F 0.35 in
May 71.0°F 49.4°F 4.53 in 91.5°F 64.7°F 0.19 in
June 80.3°F 59.9°F 4.30 in 101.5°F 72.7°F 0.03 in
July 83.6°F 64.1°F 4.55 in 104.0°F 80.8°F 0.81 in
August 81.8°F 62.9°F 3.97 in 102.5°F 80.5°F 0.96 in
September 76.2°F 55.3°F 3.17 in 97.5°F 74.7°F 0.71 in
October 63.3°F 43.4°F 3.14 in 86.3°F 62.7°F 0.67 in
November 48.5°F 32.3°F 2.46 in 74.0°F 50.8°F 0.90 in
December 36.4°F 22.4°F 1.94 in 63.9°F 42.7°F 0.81 in
Rockdale overview
Full climate profile
Phoenix overview
Full climate profile