Suisun City, CA vs Phoenix, AZ

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

Suisun City is cooler than Phoenix (61.7°F vs 72.5°F annual avg) and wetter than it (24.5 in vs 8.9 in per year). Suisun City has a Hot-summer Mediterranean climate; Phoenix a Desert (hot) climate.

Suisun City, CA

Annual avg
61.7°F
Annual precip
24.5 in
Warmest month
July (89.6°F)
Coldest month
December (40.1°F)
Annual swing
25.4°F
Pleasant months
2 / 12
Hot-summer Mediterranean Csa 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

Suisun City

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 Suisun City Phoenix
High Low Precip High Low Precip
January 56.6°F 40.4°F 4.68 in 65.4°F 44.1°F 1.17 in
February 61.6°F 42.9°F 4.97 in 68.1°F 46.1°F 1.21 in
March 66.4°F 45.4°F 3.31 in 75.0°F 50.9°F 1.09 in
April 71.3°F 47.9°F 1.47 in 82.5°F 56.6°F 0.35 in
May 77.8°F 52.2°F 0.74 in 91.5°F 64.7°F 0.19 in
June 85.4°F 56.1°F 0.19 in 101.5°F 72.7°F 0.03 in
July 89.6°F 57.9°F 0.00 in 104.0°F 80.8°F 0.81 in
August 89.2°F 58.0°F 0.03 in 102.5°F 80.5°F 0.96 in
September 86.9°F 56.6°F 0.08 in 97.5°F 74.7°F 0.71 in
October 78.2°F 52.3°F 1.11 in 86.3°F 62.7°F 0.67 in
November 65.6°F 45.2°F 2.55 in 74.0°F 50.8°F 0.90 in
December 56.7°F 40.1°F 5.40 in 63.9°F 42.7°F 0.81 in
Suisun City overview
Full climate profile
 Phoenix overview
Full climate profile