Silverthorne, CO vs Seattle, WA

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

Silverthorne is cooler than Seattle (35.5°F vs 53.8°F annual avg) and drier than it (14.9 in vs 36.5 in per year). Silverthorne has a Subarctic climate; Seattle a Warm-summer Mediterranean climate.

Silverthorne, CO

Annual avg
35.5°F
Annual precip
14.9 in
Warmest month
July (75.0°F)
Coldest month
January (1.5°F)
Annual swing
40.3°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

Silverthorne

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 Silverthorne Seattle
High Low Precip High Low Precip
January 31.1°F 1.5°F 0.95 in 48.6°F 36.8°F 5.21 in
February 33.4°F 3.6°F 0.99 in 50.7°F 36.8°F 3.71 in
March 40.5°F 10.5°F 1.15 in 54.8°F 39.4°F 3.94 in
April 47.5°F 18.1°F 1.42 in 59.8°F 43.6°F 2.89 in
May 57.6°F 25.9°F 1.34 in 66.5°F 49.3°F 1.98 in
June 69.1°F 32.6°F 1.13 in 71.2°F 54.0°F 1.22 in
July 75.0°F 38.1°F 1.87 in 77.3°F 57.5°F 0.56 in
August 72.5°F 36.9°F 1.91 in 77.4°F 58.1°F 0.83 in
September 66.2°F 29.7°F 1.40 in 71.7°F 53.9°F 1.37 in
October 54.1°F 20.7°F 0.98 in 61.0°F 46.4°F 3.49 in
November 41.1°F 11.4°F 0.88 in 53.0°F 39.9°F 5.80 in
December 31.7°F 3.0°F 0.87 in 47.8°F 36.2°F 5.49 in
Silverthorne overview
Full climate profile
 Seattle overview
Full climate profile