Castle Hills, TX vs Phoenix, AZ

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

Castle Hills is cooler than Phoenix (69.6°F vs 72.5°F annual avg) and wetter than it (32.4 in vs 8.9 in per year). Castle Hills has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Castle Hills, TX

Annual avg
69.6°F
Annual precip
32.4 in
Warmest month
August (96.0°F)
Coldest month
January (41.0°F)
Annual swing
33.3°F
Pleasant months
1 / 12
Humid subtropical Cfa USDA Zone 9b

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

Castle Hills

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 Castle Hills Phoenix
High Low Precip High Low Precip
January 63.3°F 41.0°F 1.96 in 65.4°F 44.1°F 1.17 in
February 67.5°F 45.1°F 1.74 in 68.1°F 46.1°F 1.21 in
March 73.8°F 51.8°F 2.31 in 75.0°F 50.9°F 1.09 in
April 80.3°F 58.4°F 2.42 in 82.5°F 56.6°F 0.35 in
May 86.6°F 66.4°F 4.40 in 91.5°F 64.7°F 0.19 in
June 92.4°F 72.7°F 3.28 in 101.5°F 72.7°F 0.03 in
July 94.9°F 74.7°F 2.41 in 104.0°F 80.8°F 0.81 in
August 96.0°F 74.9°F 2.15 in 102.5°F 80.5°F 0.96 in
September 90.1°F 69.6°F 3.88 in 97.5°F 74.7°F 0.71 in
October 82.2°F 60.4°F 3.75 in 86.3°F 62.7°F 0.67 in
November 71.7°F 49.8°F 2.08 in 74.0°F 50.8°F 0.90 in
December 64.7°F 42.4°F 2.00 in 63.9°F 42.7°F 0.81 in
Castle Hills overview
Full climate profile
 Phoenix overview
Full climate profile