Clear Lake, IA vs Seattle, WA

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

Clear Lake is cooler than Seattle (45.6°F vs 53.8°F annual avg) and similar rainfall to it (36.3 in vs 36.5 in per year). Clear Lake has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Clear Lake, IA

Annual avg
45.6°F
Annual precip
36.3 in
Warmest month
July (82.5°F)
Coldest month
January (7.2°F)
Annual swing
55.8°F
Pleasant months
1 / 12
Warm-summer humid continental Dfb USDA Zone 6a

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

Clear Lake

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 Clear Lake Seattle
High Low Precip High Low Precip
January 24.2°F 7.2°F 0.89 in 48.6°F 36.8°F 5.21 in
February 28.5°F 11.4°F 1.22 in 50.7°F 36.8°F 3.71 in
March 42.1°F 23.6°F 2.29 in 54.8°F 39.4°F 3.94 in
April 57.5°F 34.5°F 4.15 in 59.8°F 43.6°F 2.89 in
May 69.6°F 46.8°F 5.15 in 66.5°F 49.3°F 1.98 in
June 79.6°F 57.3°F 5.39 in 71.2°F 54.0°F 1.22 in
July 82.5°F 60.5°F 4.43 in 77.3°F 57.5°F 0.56 in
August 80.2°F 57.6°F 3.79 in 77.4°F 58.1°F 0.83 in
September 74.1°F 48.8°F 3.45 in 71.7°F 53.9°F 1.37 in
October 59.9°F 36.6°F 2.53 in 61.0°F 46.4°F 3.49 in
November 43.6°F 24.3°F 1.67 in 53.0°F 39.9°F 5.80 in
December 29.7°F 13.5°F 1.29 in 47.8°F 36.2°F 5.49 in
Clear Lake overview
Full climate profile
 Seattle overview
Full climate profile