Flagstaff, AZ vs Denver, CO

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

Flagstaff is cooler than Denver (46.8°F vs 51.4°F annual avg) and wetter than it (20.5 in vs 15.4 in per year). Flagstaff has a Mediterranean continental (warm summer) climate; Denver a Semi-arid (cold) climate.

Flagstaff, AZ

Annual avg
46.8°F
Annual precip
20.5 in
Warmest month
July (82.0°F)
Coldest month
December (16.9°F)
Annual swing
36.7°F
Pleasant months
1 / 12
Mediterranean continental (warm summer) Dsb USDA Zone 7a

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

Flagstaff

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 Flagstaff Denver
High Low Precip High Low Precip
January 43.4°F 17.6°F 2.05 in 46.5°F 17.6°F 0.46 in
February 45.7°F 19.6°F 2.17 in 47.5°F 19.3°F 0.53 in
March 52.2°F 23.8°F 1.88 in 56.4°F 27.1°F 1.12 in
April 59.2°F 28.2°F 0.89 in 62.5°F 33.7°F 1.67 in
May 68.1°F 34.6°F 0.77 in 71.7°F 43.4°F 2.29 in
June 79.1°F 42.5°F 0.30 in 84.1°F 52.9°F 1.68 in
July 82.0°F 51.4°F 2.61 in 90.2°F 59.3°F 2.12 in
August 79.3°F 50.6°F 3.04 in 87.9°F 57.2°F 1.83 in
September 74.1°F 42.5°F 1.84 in 80.1°F 48.2°F 1.51 in
October 63.6°F 31.5°F 1.52 in 66.7°F 35.7°F 0.98 in
November 52.1°F 23.0°F 1.55 in 54.8°F 25.5°F 0.70 in
December 43.0°F 16.9°F 1.90 in 45.9°F 17.7°F 0.47 in
Flagstaff overview
Full climate profile
 Denver overview
Full climate profile