Cascade, ID vs Seattle, WA

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

Cascade is cooler than Seattle (43.3°F vs 53.8°F annual avg) and drier than it (23.8 in vs 36.5 in per year). Cascade has a Mediterranean continental (warm summer) climate; Seattle a Warm-summer Mediterranean climate.

Cascade, ID

Annual avg
43.3°F
Annual precip
23.8 in
Warmest month
July (82.2°F)
Coldest month
January (14.8°F)
Annual swing
42°F
Mediterranean continental (warm summer) Dsb 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

Cascade

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 Cascade Seattle
High Low Precip High Low Precip
January 31.6°F 14.8°F 2.96 in 48.6°F 36.8°F 5.21 in
February 37.1°F 17.4°F 2.45 in 50.7°F 36.8°F 3.71 in
March 44.9°F 23.7°F 2.63 in 54.8°F 39.4°F 3.94 in
April 52.9°F 29.6°F 2.05 in 59.8°F 43.6°F 2.89 in
May 62.8°F 37.2°F 2.13 in 66.5°F 49.3°F 1.98 in
June 70.3°F 43.0°F 1.77 in 71.2°F 54.0°F 1.22 in
July 82.2°F 48.3°F 0.50 in 77.3°F 57.5°F 0.56 in
August 81.9°F 46.8°F 0.44 in 77.4°F 58.1°F 0.83 in
September 72.5°F 39.6°F 0.99 in 71.7°F 53.9°F 1.37 in
October 57.9°F 31.3°F 1.71 in 61.0°F 46.4°F 3.49 in
November 41.7°F 24.5°F 2.61 in 53.0°F 39.9°F 5.80 in
December 31.5°F 16.1°F 3.51 in 47.8°F 36.2°F 5.49 in
Cascade overview
Full climate profile
 Seattle overview
Full climate profile