Twentynine Palms, CA vs Phoenix, AZ

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

Twentynine Palms is cooler than Phoenix (70.3°F vs 72.5°F annual avg) and drier than it (3.9 in vs 8.9 in per year). Both cities share a Desert (hot) climate (BWh).

Twentynine Palms, CA

Annual avg
70.3°F
Annual precip
3.9 in
Warmest month
July (104.0°F)
Coldest month
December (39.9°F)
Annual swing
39.8°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

Twentynine Palms

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 Twentynine Palms Phoenix
High Low Precip High Low Precip
January 63.3°F 41.8°F 0.50 in 65.4°F 44.1°F 1.17 in
February 67.2°F 44.1°F 0.56 in 68.1°F 46.1°F 1.21 in
March 74.1°F 49.3°F 0.35 in 75.0°F 50.9°F 1.09 in
April 81.1°F 54.5°F 0.12 in 82.5°F 56.6°F 0.35 in
May 89.9°F 62.9°F 0.05 in 91.5°F 64.7°F 0.19 in
June 99.4°F 70.7°F 0.00 in 101.5°F 72.7°F 0.03 in
July 104.0°F 77.4°F 0.40 in 104.0°F 80.8°F 0.81 in
August 102.7°F 76.4°F 0.65 in 102.5°F 80.5°F 0.96 in
September 96.5°F 69.3°F 0.34 in 97.5°F 74.7°F 0.71 in
October 84.7°F 57.8°F 0.15 in 86.3°F 62.7°F 0.67 in
November 71.6°F 47.0°F 0.19 in 74.0°F 50.8°F 0.90 in
December 62.0°F 39.9°F 0.56 in 63.9°F 42.7°F 0.81 in
Twentynine Palms overview
Full climate profile
 Phoenix overview
Full climate profile