Barstow, CA vs Phoenix, AZ

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

Barstow is cooler than Phoenix (65.7°F vs 72.5°F annual avg) and similar rainfall to it (5 in vs 8.9 in per year). Both cities share a Desert (hot) climate (BWh).

Barstow, CA

Annual avg
65.7°F
Annual precip
5 in
Warmest month
July (102.1°F)
Coldest month
December (34.9°F)
Annual swing
40.7°F
Desert (hot) BWh USDA Zone 8b

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

Barstow

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 Barstow Phoenix
High Low Precip High Low Precip
January 59.0°F 35.3°F 0.76 in 65.4°F 44.1°F 1.17 in
February 62.8°F 39.4°F 0.98 in 68.1°F 46.1°F 1.21 in
March 69.7°F 44.2°F 0.59 in 75.0°F 50.9°F 1.09 in
April 76.9°F 49.4°F 0.30 in 82.5°F 56.6°F 0.35 in
May 85.7°F 56.9°F 0.06 in 91.5°F 64.7°F 0.19 in
June 96.0°F 65.0°F 0.04 in 101.5°F 72.7°F 0.03 in
July 102.1°F 71.8°F 0.26 in 104.0°F 80.8°F 0.81 in
August 101.0°F 70.4°F 0.17 in 102.5°F 80.5°F 0.96 in
September 93.3°F 63.3°F 0.25 in 97.5°F 74.7°F 0.71 in
October 80.9°F 52.6°F 0.35 in 86.3°F 62.7°F 0.67 in
November 67.5°F 41.6°F 0.40 in 74.0°F 50.8°F 0.90 in
December 57.4°F 34.9°F 0.80 in 63.9°F 42.7°F 0.81 in
Barstow overview
Full climate profile
 Phoenix overview
Full climate profile