San Luis Obispo, CA vs Denver, CO

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

San Luis Obispo is warmer than Denver (59.7°F vs 51.4°F annual avg) and similar rainfall to it (17.9 in vs 15.4 in per year). San Luis Obispo has a Warm-summer Mediterranean climate; Denver a Semi-arid (cold) climate.

San Luis Obispo, CA

Annual avg
59.7°F
Annual precip
17.9 in
Warmest month
September (79.5°F)
Coldest month
December (40.2°F)
Annual swing
14.5°F
Pleasant months
4 / 12
Warm-summer Mediterranean Csb USDA Zone 9b

Denver, CO

Annual avg
51.4°F
Annual precip
15.4 in
Warmest month
July (90.2°F)
Coldest month
January (17.6°F)
Annual swing
43°F
Semi-arid (cold) BSk USDA Zone 7a

Best months to visit each city

San Luis Obispo

J
F
M
A
M
J
J
A
S
O
N
D

Denver

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month San Luis Obispo Denver
High Low Precip High Low Precip
January 65.0°F 40.6°F 3.86 in 46.5°F 17.6°F 0.46 in
February 65.1°F 42.4°F 3.54 in 47.5°F 19.3°F 0.53 in
March 66.7°F 44.5°F 3.17 in 56.4°F 27.1°F 1.12 in
April 69.1°F 45.6°F 1.05 in 62.5°F 33.7°F 1.67 in
May 72.0°F 47.8°F 0.47 in 71.7°F 43.4°F 2.29 in
June 75.2°F 51.1°F 0.10 in 84.1°F 52.9°F 1.68 in
July 78.0°F 54.3°F 0.08 in 90.2°F 59.3°F 2.12 in
August 79.3°F 54.9°F 0.01 in 87.9°F 57.2°F 1.83 in
September 79.5°F 53.4°F 0.04 in 80.1°F 48.2°F 1.51 in
October 77.2°F 49.7°F 0.92 in 66.7°F 35.7°F 0.98 in
November 71.1°F 44.7°F 1.43 in 54.8°F 25.5°F 0.70 in
December 64.9°F 40.2°F 3.27 in 45.9°F 17.7°F 0.47 in
San Luis Obispo overview
Full climate profile
 Denver overview
Full climate profile