Newark, CA vs Phoenix, AZ

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

Newark is cooler than Phoenix (59.9°F vs 72.5°F annual avg) and wetter than it (14.4 in vs 8.9 in per year). Newark has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Newark, CA

Annual avg
59.9°F
Annual precip
14.4 in
Warmest month
September (77.4°F)
Coldest month
December (42.6°F)
Annual swing
17.4°F
Pleasant months
6 / 12
Semi-arid (cold) BSk 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

Newark

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 Newark Phoenix
High Low Precip High Low Precip
January 58.1°F 42.8°F 2.77 in 65.4°F 44.1°F 1.17 in
February 61.2°F 45.5°F 2.82 in 68.1°F 46.1°F 1.21 in
March 64.5°F 47.7°F 2.17 in 75.0°F 50.9°F 1.09 in
April 67.1°F 49.8°F 1.07 in 82.5°F 56.6°F 0.35 in
May 70.6°F 53.4°F 0.47 in 91.5°F 64.7°F 0.19 in
June 75.0°F 56.1°F 0.17 in 101.5°F 72.7°F 0.03 in
July 77.0°F 57.6°F 0.00 in 104.0°F 80.8°F 0.81 in
August 77.3°F 58.2°F 0.02 in 102.5°F 80.5°F 0.96 in
September 77.4°F 57.5°F 0.09 in 97.5°F 74.7°F 0.71 in
October 73.4°F 53.8°F 0.65 in 86.3°F 62.7°F 0.67 in
November 64.8°F 47.3°F 1.38 in 74.0°F 50.8°F 0.90 in
December 58.4°F 42.6°F 2.76 in 63.9°F 42.7°F 0.81 in
Newark overview
Full climate profile
 Phoenix overview
Full climate profile