Missoula, MT vs Seattle, WA

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

Missoula is cooler than Seattle (46.2°F vs 53.8°F annual avg) and drier than it (17.4 in vs 36.5 in per year). Missoula has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Missoula, MT

Annual avg
46.2°F
Annual precip
17.4 in
Warmest month
July (85.1°F)
Coldest month
December (19.6°F)
Annual swing
42.5°F
Warm-summer humid continental Dfb 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

Missoula

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 Missoula Seattle
High Low Precip High Low Precip
January 34.1°F 19.8°F 1.24 in 48.6°F 36.8°F 5.21 in
February 39.0°F 21.9°F 1.11 in 50.7°F 36.8°F 3.71 in
March 49.1°F 27.4°F 1.19 in 54.8°F 39.4°F 3.94 in
April 56.8°F 33.0°F 1.68 in 59.8°F 43.6°F 2.89 in
May 66.5°F 40.8°F 2.26 in 66.5°F 49.3°F 1.98 in
June 73.4°F 46.9°F 2.61 in 71.2°F 54.0°F 1.22 in
July 85.1°F 52.2°F 0.99 in 77.3°F 57.5°F 0.56 in
August 84.0°F 51.0°F 1.03 in 77.4°F 58.1°F 0.83 in
September 73.1°F 43.6°F 1.14 in 71.7°F 53.9°F 1.37 in
October 56.5°F 33.7°F 1.42 in 61.0°F 46.4°F 3.49 in
November 41.2°F 26.2°F 1.41 in 53.0°F 39.9°F 5.80 in
December 32.9°F 19.6°F 1.35 in 47.8°F 36.2°F 5.49 in
Missoula overview
Full climate profile
 Seattle overview
Full climate profile