Calhan, CO vs Seattle, WA

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

Calhan is cooler than Seattle (48.5°F vs 53.8°F annual avg) and drier than it (14.6 in vs 36.5 in per year). Calhan has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Calhan, CO

Annual avg
48.5°F
Annual precip
14.6 in
Warmest month
July (86.1°F)
Coldest month
January (15.5°F)
Annual swing
41.7°F
Semi-arid (cold) BSk USDA Zone 7a

Seattle, WA

Annual avg
53.8°F
Annual precip
36.5 in
Warmest month
August (77.4°F)
Coldest month
December (36.2°F)
Annual swing
25.8°F
Pleasant months
4 / 12
Warm-summer Mediterranean Csb USDA Zone 9a

Best months to visit each city

Calhan

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

Seattle

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

Month-by-month comparison

Month Calhan Seattle
High Low Precip High Low Precip
January 43.4°F 15.5°F 0.24 in 48.6°F 36.8°F 5.21 in
February 44.9°F 17.3°F 0.31 in 50.7°F 36.8°F 3.71 in
March 53.1°F 24.0°F 0.77 in 54.8°F 39.4°F 3.94 in
April 60.0°F 30.7°F 1.59 in 59.8°F 43.6°F 2.89 in
May 69.3°F 41.3°F 2.07 in 66.5°F 49.3°F 1.98 in
June 80.6°F 50.6°F 1.82 in 71.2°F 54.0°F 1.22 in
July 86.1°F 56.1°F 2.71 in 77.3°F 57.5°F 0.56 in
August 83.3°F 55.0°F 2.66 in 77.4°F 58.1°F 0.83 in
September 77.0°F 45.8°F 1.00 in 71.7°F 53.9°F 1.37 in
October 63.8°F 33.8°F 0.84 in 61.0°F 46.4°F 3.49 in
November 51.5°F 22.7°F 0.36 in 53.0°F 39.9°F 5.80 in
December 42.8°F 16.0°F 0.27 in 47.8°F 36.2°F 5.49 in
Calhan overview
Full climate profile
 Seattle overview
Full climate profile