Rohnert Park, CA vs Phoenix, AZ

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

Rohnert Park is cooler than Phoenix (59°F vs 72.5°F annual avg) and wetter than it (31.5 in vs 8.9 in per year). Rohnert Park has a Warm-summer Mediterranean climate; Phoenix a Desert (hot) climate.

Rohnert Park, CA

Annual avg
59°F
Annual precip
31.5 in
Warmest month
September (83.9°F)
Coldest month
December (38.2°F)
Annual swing
19.1°F
Warm-summer Mediterranean Csb USDA Zone 9a

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

Rohnert Park

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 Rohnert Park Phoenix
High Low Precip High Low Precip
January 59.7°F 38.4°F 5.78 in 65.4°F 44.1°F 1.17 in
February 63.6°F 40.0°F 6.39 in 68.1°F 46.1°F 1.21 in
March 66.9°F 41.9°F 4.26 in 75.0°F 50.9°F 1.09 in
April 70.6°F 43.9°F 1.98 in 82.5°F 56.6°F 0.35 in
May 74.5°F 47.8°F 1.28 in 91.5°F 64.7°F 0.19 in
June 80.2°F 51.1°F 0.29 in 101.5°F 72.7°F 0.03 in
July 81.6°F 52.1°F 0.01 in 104.0°F 80.8°F 0.81 in
August 83.0°F 52.5°F 0.04 in 102.5°F 80.5°F 0.96 in
September 83.9°F 51.0°F 0.15 in 97.5°F 74.7°F 0.71 in
October 78.9°F 47.6°F 1.63 in 86.3°F 62.7°F 0.67 in
November 67.1°F 42.0°F 3.25 in 74.0°F 50.8°F 0.90 in
December 59.0°F 38.2°F 6.47 in 63.9°F 42.7°F 0.81 in
Rohnert Park overview
Full climate profile
 Phoenix overview
Full climate profile