Sierra Vista, AZ vs Phoenix, AZ

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

Sierra Vista is cooler than Phoenix (61.6°F vs 72.5°F annual avg) and similar rainfall to it (13 in vs 8.9 in per year). Sierra Vista has a Desert (cold) climate; Phoenix a Desert (hot) climate.

Sierra Vista, AZ

Annual avg
61.6°F
Annual precip
13 in
Warmest month
June (93.9°F)
Coldest month
January (29.5°F)
Annual swing
31.6°F
Desert (cold) BWk USDA Zone 8a

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

Sierra Vista

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 Sierra Vista Phoenix
High Low Precip High Low Precip
January 61.3°F 29.5°F 0.78 in 65.4°F 44.1°F 1.17 in
February 64.4°F 32.6°F 0.64 in 68.1°F 46.1°F 1.21 in
March 70.5°F 37.5°F 0.48 in 75.0°F 50.9°F 1.09 in
April 77.5°F 42.8°F 0.25 in 82.5°F 56.6°F 0.35 in
May 85.0°F 50.4°F 0.20 in 91.5°F 64.7°F 0.19 in
June 93.9°F 59.6°F 0.54 in 101.5°F 72.7°F 0.03 in
July 91.5°F 62.5°F 3.53 in 104.0°F 80.8°F 0.81 in
August 89.5°F 61.5°F 3.31 in 102.5°F 80.5°F 0.96 in
September 86.8°F 56.7°F 1.31 in 97.5°F 74.7°F 0.71 in
October 80.0°F 47.1°F 0.59 in 86.3°F 62.7°F 0.67 in
November 70.0°F 36.8°F 0.53 in 74.0°F 50.8°F 0.90 in
December 61.6°F 29.5°F 0.85 in 63.9°F 42.7°F 0.81 in
Sierra Vista overview
Full climate profile
 Phoenix overview
Full climate profile