Defiance, IA vs Seattle, WA

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

Defiance is cooler than Seattle (49.5°F vs 53.8°F annual avg) and similar rainfall to it (34.3 in vs 36.5 in per year). Defiance has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Defiance, IA

Annual avg
49.5°F
Annual precip
34.3 in
Warmest month
July (85.9°F)
Coldest month
January (10.3°F)
Annual swing
54.2°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Defiance

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 Defiance Seattle
High Low Precip High Low Precip
January 30.7°F 10.3°F 0.90 in 48.6°F 36.8°F 5.21 in
February 35.7°F 13.7°F 0.98 in 50.7°F 36.8°F 3.71 in
March 49.9°F 25.3°F 2.05 in 54.8°F 39.4°F 3.94 in
April 63.3°F 36.4°F 3.34 in 59.8°F 43.6°F 2.89 in
May 74.1°F 49.3°F 4.74 in 66.5°F 49.3°F 1.98 in
June 83.6°F 59.9°F 5.17 in 71.2°F 54.0°F 1.22 in
July 85.9°F 63.6°F 3.72 in 77.3°F 57.5°F 0.56 in
August 84.0°F 60.8°F 4.32 in 77.4°F 58.1°F 0.83 in
September 78.5°F 51.7°F 4.00 in 71.7°F 53.9°F 1.37 in
October 65.4°F 39.1°F 2.37 in 61.0°F 46.4°F 3.49 in
November 49.3°F 25.9°F 1.43 in 53.0°F 39.9°F 5.80 in
December 35.9°F 15.7°F 1.31 in 47.8°F 36.2°F 5.49 in
Defiance overview
Full climate profile
 Seattle overview
Full climate profile