Fort Collins, CO vs Seattle, WA

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

Fort Collins is cooler than Seattle (50.7°F vs 53.8°F annual avg) and drier than it (15.9 in vs 36.5 in per year). Fort Collins has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Fort Collins, CO

Annual avg
50.7°F
Annual precip
15.9 in
Warmest month
July (87.4°F)
Coldest month
January (18.3°F)
Annual swing
42°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

Fort Collins

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 Fort Collins Seattle
High Low Precip High Low Precip
January 45.0°F 18.3°F 0.41 in 48.6°F 36.8°F 5.21 in
February 46.8°F 20.7°F 0.47 in 50.7°F 36.8°F 3.71 in
March 56.4°F 28.5°F 1.31 in 54.8°F 39.4°F 3.94 in
April 62.5°F 35.4°F 2.10 in 59.8°F 43.6°F 2.89 in
May 70.9°F 44.1°F 2.72 in 66.5°F 49.3°F 1.98 in
June 81.8°F 52.8°F 1.90 in 71.2°F 54.0°F 1.22 in
July 87.4°F 58.7°F 1.63 in 77.3°F 57.5°F 0.56 in
August 85.0°F 56.5°F 1.45 in 77.4°F 58.1°F 0.83 in
September 77.4°F 48.0°F 1.43 in 71.7°F 53.9°F 1.37 in
October 64.3°F 36.1°F 1.25 in 61.0°F 46.4°F 3.49 in
November 52.5°F 26.1°F 0.74 in 53.0°F 39.9°F 5.80 in
December 44.0°F 18.3°F 0.47 in 47.8°F 36.2°F 5.49 in
Fort Collins overview
Full climate profile
 Seattle overview
Full climate profile