San Marcos, CA vs Denver, CO

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

San Marcos is warmer than Denver (65.8°F vs 51.4°F annual avg) and similar rainfall to it (14.5 in vs 15.4 in per year). San Marcos has a Semi-arid (hot) climate; Denver a Semi-arid (cold) climate.

San Marcos, CA

Annual avg
65.8°F
Annual precip
14.5 in
Warmest month
August (89.0°F)
Coldest month
December (43.8°F)
Annual swing
21.3°F
Pleasant months
2 / 12
Semi-arid (hot) BSh 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 Marcos

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 Marcos Denver
High Low Precip High Low Precip
January 68.8°F 44.8°F 3.19 in 46.5°F 17.6°F 0.46 in
February 68.7°F 45.9°F 3.57 in 47.5°F 19.3°F 0.53 in
March 71.0°F 48.9°F 2.20 in 56.4°F 27.1°F 1.12 in
April 74.2°F 51.8°F 0.99 in 62.5°F 33.7°F 1.67 in
May 76.7°F 56.4°F 0.35 in 71.7°F 43.4°F 2.29 in
June 81.9°F 60.2°F 0.09 in 84.1°F 52.9°F 1.68 in
July 87.2°F 64.4°F 0.12 in 90.2°F 59.3°F 2.12 in
August 89.0°F 65.3°F 0.06 in 87.9°F 57.2°F 1.83 in
September 86.9°F 63.1°F 0.16 in 80.1°F 48.2°F 1.51 in
October 80.8°F 57.3°F 0.57 in 66.7°F 35.7°F 0.98 in
November 74.6°F 49.1°F 1.08 in 54.8°F 25.5°F 0.70 in
December 68.0°F 43.8°F 2.14 in 45.9°F 17.7°F 0.47 in
San Marcos overview
Full climate profile
 Denver overview
Full climate profile