Grand Terrace, CA vs Phoenix, AZ

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

Grand Terrace is cooler than Phoenix (66.6°F vs 72.5°F annual avg) and similar rainfall to it (9.9 in vs 8.9 in per year). Both cities share a Desert (hot) climate (BWh).

Grand Terrace, CA

Annual avg
66.6°F
Annual precip
9.9 in
Warmest month
August (96.6°F)
Coldest month
December (43.2°F)
Annual swing
24°F
Desert (hot) BWh 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

Grand Terrace

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 Grand Terrace Phoenix
High Low Precip High Low Precip
January 69.5°F 44.2°F 2.11 in 65.4°F 44.1°F 1.17 in
February 69.9°F 44.8°F 2.45 in 68.1°F 46.1°F 1.21 in
March 72.3°F 46.9°F 1.54 in 75.0°F 50.9°F 1.09 in
April 75.1°F 49.9°F 0.57 in 82.5°F 56.6°F 0.35 in
May 80.4°F 54.8°F 0.29 in 91.5°F 64.7°F 0.19 in
June 87.4°F 58.4°F 0.08 in 101.5°F 72.7°F 0.03 in
July 94.1°F 62.9°F 0.03 in 104.0°F 80.8°F 0.81 in
August 96.6°F 63.7°F 0.03 in 102.5°F 80.5°F 0.96 in
September 93.4°F 60.8°F 0.23 in 97.5°F 74.7°F 0.71 in
October 81.9°F 54.8°F 0.40 in 86.3°F 62.7°F 0.67 in
November 76.1°F 47.4°F 0.68 in 74.0°F 50.8°F 0.90 in
December 69.1°F 43.2°F 1.51 in 63.9°F 42.7°F 0.81 in
Grand Terrace overview
Full climate profile
 Phoenix overview
Full climate profile