Shenandoah, IA vs Seattle, WA

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

Shenandoah is cooler than Seattle (51.8°F vs 53.8°F annual avg) and similar rainfall to it (36.4 in vs 36.5 in per year). Shenandoah has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Shenandoah, IA

Annual avg
51.8°F
Annual precip
36.4 in
Warmest month
July (86.9°F)
Coldest month
January (13.7°F)
Annual swing
53.3°F
Pleasant months
2 / 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

Shenandoah

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 Shenandoah Seattle
High Low Precip High Low Precip
January 33.4°F 13.7°F 0.92 in 48.6°F 36.8°F 5.21 in
February 38.7°F 18.0°F 1.21 in 50.7°F 36.8°F 3.71 in
March 51.6°F 29.3°F 2.06 in 54.8°F 39.4°F 3.94 in
April 63.7°F 39.9°F 3.34 in 59.8°F 43.6°F 2.89 in
May 73.8°F 52.5°F 6.16 in 66.5°F 49.3°F 1.98 in
June 83.3°F 63.1°F 5.53 in 71.2°F 54.0°F 1.22 in
July 86.9°F 66.7°F 4.36 in 77.3°F 57.5°F 0.56 in
August 85.2°F 64.0°F 3.77 in 77.4°F 58.1°F 0.83 in
September 79.0°F 54.5°F 3.02 in 71.7°F 53.9°F 1.37 in
October 66.3°F 41.6°F 2.84 in 61.0°F 46.4°F 3.49 in
November 50.7°F 29.4°F 1.76 in 53.0°F 39.9°F 5.80 in
December 37.9°F 19.1°F 1.40 in 47.8°F 36.2°F 5.49 in
Shenandoah overview
Full climate profile
 Seattle overview
Full climate profile