San Luis, CO vs Phoenix, AZ

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

San Luis is cooler than Phoenix (43.9°F vs 72.5°F annual avg) and similar rainfall to it (9 in vs 8.9 in per year). San Luis has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

San Luis, CO

Annual avg
43.9°F
Annual precip
9 in
Warmest month
July (81.9°F)
Coldest month
January (6.3°F)
Annual swing
43.4°F
Semi-arid (cold) BSk USDA Zone 6a

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 37.0°F 6.3°F 0.38 in 65.4°F 44.1°F 1.17 in
February 41.3°F 12.1°F 0.50 in 68.1°F 46.1°F 1.21 in
March 52.1°F 22.7°F 0.35 in 75.0°F 50.9°F 1.09 in
April 58.3°F 27.0°F 0.56 in 82.5°F 56.6°F 0.35 in
May 67.9°F 34.5°F 0.73 in 91.5°F 64.7°F 0.19 in
June 79.2°F 41.5°F 0.79 in 101.5°F 72.7°F 0.03 in
July 81.9°F 48.2°F 1.51 in 104.0°F 80.8°F 0.81 in
August 79.3°F 47.4°F 1.29 in 102.5°F 80.5°F 0.96 in
September 73.6°F 39.4°F 1.04 in 97.5°F 74.7°F 0.71 in
October 62.8°F 28.4°F 0.94 in 86.3°F 62.7°F 0.67 in
November 49.1°F 17.6°F 0.50 in 74.0°F 50.8°F 0.90 in
December 38.6°F 8.9°F 0.41 in 63.9°F 42.7°F 0.81 in
San Luis overview
Full climate profile
 Phoenix overview
Full climate profile