Winthrop, WA vs Seattle, WA

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

Winthrop is cooler than Seattle (45.7°F vs 53.8°F annual avg) and drier than it (15.2 in vs 36.5 in per year). Winthrop has a Mediterranean continental (warm summer) climate; Seattle a Warm-summer Mediterranean climate.

Winthrop, WA

Annual avg
45.7°F
Annual precip
15.2 in
Warmest month
July (85.8°F)
Coldest month
January (15.4°F)
Annual swing
46°F
Mediterranean continental (warm summer) Dsb 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

Winthrop

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 Winthrop Seattle
High Low Precip High Low Precip
January 29.9°F 15.4°F 2.06 in 48.6°F 36.8°F 5.21 in
February 38.4°F 18.0°F 1.28 in 50.7°F 36.8°F 3.71 in
March 50.0°F 25.4°F 1.23 in 54.8°F 39.4°F 3.94 in
April 61.1°F 32.2°F 0.84 in 59.8°F 43.6°F 2.89 in
May 71.1°F 39.7°F 1.13 in 66.5°F 49.3°F 1.98 in
June 76.7°F 45.9°F 1.09 in 71.2°F 54.0°F 1.22 in
July 85.8°F 50.8°F 0.69 in 77.3°F 57.5°F 0.56 in
August 85.6°F 49.3°F 0.45 in 77.4°F 58.1°F 0.83 in
September 77.0°F 41.2°F 0.45 in 71.7°F 53.9°F 1.37 in
October 60.9°F 31.9°F 1.37 in 61.0°F 46.4°F 3.49 in
November 41.2°F 24.5°F 2.03 in 53.0°F 39.9°F 5.80 in
December 29.2°F 15.4°F 2.57 in 47.8°F 36.2°F 5.49 in
Winthrop overview
Full climate profile
 Seattle overview
Full climate profile