Casa Grande, AZ vs Phoenix, AZ

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

Casa Grande is about the same temperature as Phoenix (72.4°F vs 72.5°F annual avg) and similar rainfall to it (7.9 in vs 8.9 in per year). Both cities share a Desert (hot) climate (BWh).

Casa Grande, AZ

Annual avg
72.4°F
Annual precip
7.9 in
Warmest month
July (106.8°F)
Coldest month
December (38.4°F)
Annual swing
39.5°F
Desert (hot) BWh USDA Zone 9a

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

Casa Grande

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 Casa Grande Phoenix
High Low Precip High Low Precip
January 68.7°F 39.1°F 0.79 in 65.4°F 44.1°F 1.17 in
February 72.6°F 41.5°F 1.00 in 68.1°F 46.1°F 1.21 in
March 79.9°F 47.2°F 0.76 in 75.0°F 50.9°F 1.09 in
April 87.5°F 53.0°F 0.21 in 82.5°F 56.6°F 0.35 in
May 96.4°F 60.4°F 0.18 in 91.5°F 64.7°F 0.19 in
June 105.8°F 69.9°F 0.18 in 101.5°F 72.7°F 0.03 in
July 106.8°F 78.1°F 0.91 in 104.0°F 80.8°F 0.81 in
August 105.3°F 77.3°F 1.52 in 102.5°F 80.5°F 0.96 in
September 100.4°F 70.7°F 0.72 in 97.5°F 74.7°F 0.71 in
October 90.7°F 56.9°F 0.48 in 86.3°F 62.7°F 0.67 in
November 77.5°F 45.3°F 0.43 in 74.0°F 50.8°F 0.90 in
December 67.6°F 38.4°F 0.73 in 63.9°F 42.7°F 0.81 in
Casa Grande overview
Full climate profile
 Phoenix overview
Full climate profile