Chula Vista, CA vs Phoenix, AZ

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

Chula Vista is cooler than Phoenix (62.6°F vs 72.5°F annual avg) and similar rainfall to it (10.2 in vs 8.9 in per year). Chula Vista has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Chula Vista, CA

Annual avg
62.6°F
Annual precip
10.2 in
Warmest month
August (80.6°F)
Coldest month
December (43.8°F)
Annual swing
16.5°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

Chula 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 Chula Vista Phoenix
High Low Precip High Low Precip
January 67.0°F 44.4°F 1.83 in 65.4°F 44.1°F 1.17 in
February 66.4°F 45.2°F 2.39 in 68.1°F 46.1°F 1.21 in
March 67.5°F 47.3°F 1.52 in 75.0°F 50.9°F 1.09 in
April 69.8°F 50.0°F 0.80 in 82.5°F 56.6°F 0.35 in
May 71.2°F 54.4°F 0.27 in 91.5°F 64.7°F 0.19 in
June 74.3°F 57.9°F 0.10 in 101.5°F 72.7°F 0.03 in
July 78.3°F 61.5°F 0.04 in 104.0°F 80.8°F 0.81 in
August 80.6°F 63.0°F 0.01 in 102.5°F 80.5°F 0.96 in
September 79.8°F 60.8°F 0.18 in 97.5°F 74.7°F 0.71 in
October 76.7°F 55.3°F 0.44 in 86.3°F 62.7°F 0.67 in
November 71.8°F 48.6°F 0.83 in 74.0°F 50.8°F 0.90 in
December 66.7°F 43.8°F 1.82 in 63.9°F 42.7°F 0.81 in
Chula Vista overview
Full climate profile
 Phoenix overview
Full climate profile