Union City, CA vs Denver, CO

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

Union City is warmer than Denver (59.5°F vs 51.4°F annual avg) and similar rainfall to it (15.9 in vs 15.4 in per year). Both cities share a Semi-arid (cold) climate (BSk).

Union City, CA

Annual avg
59.5°F
Annual precip
15.9 in
Warmest month
September (78.3°F)
Coldest month
December (42.5°F)
Annual swing
17.2°F
Pleasant months
6 / 12
Semi-arid (cold) BSk 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

Union City

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 Union City Denver
High Low Precip High Low Precip
January 58.6°F 42.6°F 3.00 in 46.5°F 17.6°F 0.46 in
February 61.4°F 44.4°F 3.17 in 47.5°F 19.3°F 0.53 in
March 65.1°F 46.4°F 2.52 in 56.4°F 27.1°F 1.12 in
April 67.7°F 48.3°F 1.22 in 62.5°F 33.7°F 1.67 in
May 71.1°F 51.9°F 0.50 in 71.7°F 43.4°F 2.29 in
June 75.3°F 54.7°F 0.16 in 84.1°F 52.9°F 1.68 in
July 77.9°F 56.8°F 0.00 in 90.2°F 59.3°F 2.12 in
August 78.2°F 57.1°F 0.02 in 87.9°F 57.2°F 1.83 in
September 78.3°F 56.0°F 0.10 in 80.1°F 48.2°F 1.51 in
October 73.3°F 52.0°F 0.69 in 66.7°F 35.7°F 0.98 in
November 64.6°F 46.2°F 1.59 in 54.8°F 25.5°F 0.70 in
December 58.4°F 42.5°F 2.97 in 45.9°F 17.7°F 0.47 in
Union City overview
Full climate profile
 Denver overview
Full climate profile