Gilroy, CA vs Phoenix, AZ

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

Gilroy is cooler than Phoenix (60.2°F vs 72.5°F annual avg) and wetter than it (19.8 in vs 8.9 in per year). Gilroy has a Warm-summer Mediterranean climate; Phoenix a Desert (hot) climate.

Gilroy, CA

Annual avg
60.2°F
Annual precip
19.8 in
Warmest month
July (87.2°F)
Coldest month
December (37.0°F)
Annual swing
22.1°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

Gilroy

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 Gilroy Phoenix
High Low Precip High Low Precip
January 60.7°F 38.1°F 4.55 in 65.4°F 44.1°F 1.17 in
February 64.0°F 40.4°F 4.27 in 68.1°F 46.1°F 1.21 in
March 68.1°F 42.6°F 2.59 in 75.0°F 50.9°F 1.09 in
April 71.9°F 44.5°F 1.30 in 82.5°F 56.6°F 0.35 in
May 77.3°F 49.0°F 0.56 in 91.5°F 64.7°F 0.19 in
June 82.8°F 51.6°F 0.15 in 101.5°F 72.7°F 0.03 in
July 87.2°F 54.0°F 0.00 in 104.0°F 80.8°F 0.81 in
August 87.2°F 54.4°F 0.03 in 102.5°F 80.5°F 0.96 in
September 84.9°F 52.5°F 0.04 in 97.5°F 74.7°F 0.71 in
October 78.8°F 47.9°F 0.85 in 86.3°F 62.7°F 0.67 in
November 68.3°F 41.6°F 1.74 in 74.0°F 50.8°F 0.90 in
December 60.4°F 37.0°F 3.69 in 63.9°F 42.7°F 0.81 in
Gilroy overview
Full climate profile
 Phoenix overview
Full climate profile