Colstrip, MT vs Seattle, WA

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

Colstrip is cooler than Seattle (46.1°F vs 53.8°F annual avg) and drier than it (16.4 in vs 36.5 in per year). Colstrip has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Colstrip, MT

Annual avg
46.1°F
Annual precip
16.4 in
Warmest month
July (85.0°F)
Coldest month
January (13.5°F)
Annual swing
46.4°F
Pleasant months
1 / 12
Warm-summer humid continental Dfb USDA Zone 6b

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

Colstrip

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 Colstrip Seattle
High Low Precip High Low Precip
January 35.8°F 13.5°F 0.65 in 48.6°F 36.8°F 5.21 in
February 37.1°F 15.1°F 0.69 in 50.7°F 36.8°F 3.71 in
March 47.1°F 23.9°F 0.95 in 54.8°F 39.4°F 3.94 in
April 55.4°F 31.9°F 1.92 in 59.8°F 43.6°F 2.89 in
May 64.9°F 41.9°F 3.14 in 66.5°F 49.3°F 1.98 in
June 74.9°F 50.8°F 2.48 in 71.2°F 54.0°F 1.22 in
July 85.0°F 57.2°F 1.42 in 77.3°F 57.5°F 0.56 in
August 84.0°F 55.2°F 1.03 in 77.4°F 58.1°F 0.83 in
September 73.4°F 45.8°F 1.43 in 71.7°F 53.9°F 1.37 in
October 58.1°F 33.7°F 1.44 in 61.0°F 46.4°F 3.49 in
November 45.9°F 23.6°F 0.69 in 53.0°F 39.9°F 5.80 in
December 36.6°F 15.3°F 0.56 in 47.8°F 36.2°F 5.49 in
Colstrip overview
Full climate profile
 Seattle overview
Full climate profile