San Luis, AZ vs Phoenix, AZ

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

San Luis is warmer than Phoenix (76°F vs 72.5°F annual avg) and drier than it (3.3 in vs 8.9 in per year). Both cities share a Desert (hot) climate (BWh).

San Luis, AZ

Annual avg
76°F
Annual precip
3.3 in
Warmest month
July (106.7°F)
Coldest month
December (46.8°F)
Annual swing
37.5°F
Pleasant months
2 / 12
Desert (hot) BWh USDA Zone 10a

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

San Luis

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 San Luis Phoenix
High Low Precip High Low Precip
January 69.8°F 47.9°F 0.39 in 65.4°F 44.1°F 1.17 in
February 73.4°F 50.4°F 0.38 in 68.1°F 46.1°F 1.21 in
March 80.2°F 55.0°F 0.39 in 75.0°F 50.9°F 1.09 in
April 86.4°F 59.8°F 0.14 in 82.5°F 56.6°F 0.35 in
May 94.3°F 66.9°F 0.06 in 91.5°F 64.7°F 0.19 in
June 103.3°F 75.0°F 0.01 in 101.5°F 72.7°F 0.03 in
July 106.7°F 82.6°F 0.24 in 104.0°F 80.8°F 0.81 in
August 106.4°F 83.2°F 0.20 in 102.5°F 80.5°F 0.96 in
September 101.4°F 77.6°F 0.68 in 97.5°F 74.7°F 0.71 in
October 90.2°F 65.7°F 0.13 in 86.3°F 62.7°F 0.67 in
November 77.7°F 54.4°F 0.23 in 74.0°F 50.8°F 0.90 in
December 67.8°F 46.8°F 0.43 in 63.9°F 42.7°F 0.81 in
San Luis overview
Full climate profile
 Phoenix overview
Full climate profile