Grand Lake, CO vs Seattle, WA

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

Grand Lake is cooler than Seattle (36.9°F vs 53.8°F annual avg) and drier than it (18.6 in vs 36.5 in per year). Grand Lake has a Subarctic climate; Seattle a Warm-summer Mediterranean climate.

Grand Lake, CO

Annual avg
36.9°F
Annual precip
18.6 in
Warmest month
July (75.9°F)
Coldest month
January (4.5°F)
Annual swing
40.4°F
Subarctic Dfc USDA Zone 5b

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

Grand Lake

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 Grand Lake Seattle
High Low Precip High Low Precip
January 30.2°F 4.5°F 1.65 in 48.6°F 36.8°F 5.21 in
February 34.3°F 6.4°F 1.50 in 50.7°F 36.8°F 3.71 in
March 42.2°F 13.7°F 1.23 in 54.8°F 39.4°F 3.94 in
April 49.1°F 20.5°F 1.55 in 59.8°F 43.6°F 2.89 in
May 59.2°F 27.7°F 1.59 in 66.5°F 49.3°F 1.98 in
June 70.5°F 34.2°F 1.36 in 71.2°F 54.0°F 1.22 in
July 75.9°F 39.8°F 1.98 in 77.3°F 57.5°F 0.56 in
August 73.3°F 38.4°F 2.09 in 77.4°F 58.1°F 0.83 in
September 67.6°F 31.8°F 1.59 in 71.7°F 53.9°F 1.37 in
October 54.9°F 23.1°F 1.27 in 61.0°F 46.4°F 3.49 in
November 40.1°F 13.2°F 1.29 in 53.0°F 39.9°F 5.80 in
December 30.0°F 5.1°F 1.50 in 47.8°F 36.2°F 5.49 in
Grand Lake overview
Full climate profile
 Seattle overview
Full climate profile