Fort Madison, IA vs Seattle, WA

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

Fort Madison is about the same temperature as Seattle (52.3°F vs 53.8°F annual avg) and similar rainfall to it (39.4 in vs 36.5 in per year). Fort Madison has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Fort Madison, IA

Annual avg
52.3°F
Annual precip
39.4 in
Warmest month
July (85.1°F)
Coldest month
January (16.9°F)
Annual swing
51.5°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa 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

Fort Madison

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 Fort Madison Seattle
High Low Precip High Low Precip
January 32.8°F 16.9°F 1.69 in 48.6°F 36.8°F 5.21 in
February 37.5°F 20.9°F 1.93 in 50.7°F 36.8°F 3.71 in
March 49.9°F 31.6°F 2.72 in 54.8°F 39.4°F 3.94 in
April 62.2°F 42.5°F 3.97 in 59.8°F 43.6°F 2.89 in
May 72.3°F 53.8°F 5.11 in 66.5°F 49.3°F 1.98 in
June 81.5°F 63.4°F 5.16 in 71.2°F 54.0°F 1.22 in
July 85.1°F 67.5°F 4.06 in 77.3°F 57.5°F 0.56 in
August 83.8°F 65.6°F 3.80 in 77.4°F 58.1°F 0.83 in
September 77.1°F 57.2°F 3.51 in 71.7°F 53.9°F 1.37 in
October 64.2°F 45.2°F 3.06 in 61.0°F 46.4°F 3.49 in
November 49.7°F 32.8°F 2.43 in 53.0°F 39.9°F 5.80 in
December 37.6°F 22.7°F 1.92 in 47.8°F 36.2°F 5.49 in
Fort Madison overview
Full climate profile
 Seattle overview
Full climate profile