Mountain View, CO vs Phoenix, AZ

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

Mountain View is cooler than Phoenix (50.3°F vs 72.5°F annual avg) and wetter than it (17.1 in vs 8.9 in per year). Mountain View has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Mountain View, CO

Annual avg
50.3°F
Annual precip
17.1 in
Warmest month
July (88.2°F)
Coldest month
December (16.7°F)
Annual swing
40.9°F
Hot-summer humid continental Dfa USDA Zone 7a

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

Mountain View

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 Mountain View Phoenix
High Low Precip High Low Precip
January 47.2°F 17.1°F 0.64 in 65.4°F 44.1°F 1.17 in
February 48.3°F 18.3°F 0.78 in 68.1°F 46.1°F 1.21 in
March 56.6°F 25.9°F 1.48 in 75.0°F 50.9°F 1.09 in
April 61.9°F 33.0°F 2.31 in 82.5°F 56.6°F 0.35 in
May 70.9°F 42.5°F 2.65 in 91.5°F 64.7°F 0.19 in
June 82.5°F 51.1°F 1.67 in 101.5°F 72.7°F 0.03 in
July 88.2°F 56.8°F 1.88 in 104.0°F 80.8°F 0.81 in
August 86.3°F 54.5°F 1.60 in 102.5°F 80.5°F 0.96 in
September 79.0°F 45.2°F 1.34 in 97.5°F 74.7°F 0.71 in
October 66.0°F 33.6°F 1.22 in 86.3°F 62.7°F 0.67 in
November 54.8°F 23.9°F 0.92 in 74.0°F 50.8°F 0.90 in
December 46.6°F 16.7°F 0.62 in 63.9°F 42.7°F 0.81 in
Mountain View overview
Full climate profile
 Phoenix overview
Full climate profile