Polson, MT vs Seattle, WA

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

Polson is cooler than Seattle (46.2°F vs 53.8°F annual avg) and drier than it (15 in vs 36.5 in per year). Polson has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Polson, MT

Annual avg
46.2°F
Annual precip
15 in
Warmest month
July (82.8°F)
Coldest month
January (22.0°F)
Annual swing
40.4°F
Warm-summer humid continental Dfb USDA Zone 7b

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

Polson

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 Polson Seattle
High Low Precip High Low Precip
January 33.4°F 22.0°F 0.94 in 48.6°F 36.8°F 5.21 in
February 36.9°F 22.0°F 0.79 in 50.7°F 36.8°F 3.71 in
March 47.3°F 28.2°F 0.89 in 54.8°F 39.4°F 3.94 in
April 56.2°F 33.6°F 1.43 in 59.8°F 43.6°F 2.89 in
May 65.8°F 40.8°F 1.99 in 66.5°F 49.3°F 1.98 in
June 72.3°F 47.3°F 2.44 in 71.2°F 54.0°F 1.22 in
July 82.8°F 53.3°F 0.84 in 77.3°F 57.5°F 0.56 in
August 82.2°F 52.5°F 0.76 in 77.4°F 58.1°F 0.83 in
September 70.9°F 45.6°F 1.19 in 71.7°F 53.9°F 1.37 in
October 55.6°F 35.7°F 1.59 in 61.0°F 46.4°F 3.49 in
November 41.3°F 27.3°F 1.22 in 53.0°F 39.9°F 5.80 in
December 33.1°F 22.0°F 0.93 in 47.8°F 36.2°F 5.49 in
Polson overview
Full climate profile
 Seattle overview
Full climate profile