Parnell, IA vs Seattle, WA

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

Parnell is cooler than Seattle (48.2°F vs 53.8°F annual avg) and similar rainfall to it (37.7 in vs 36.5 in per year). Parnell has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Parnell, IA

Annual avg
48.2°F
Annual precip
37.7 in
Warmest month
July (84.0°F)
Coldest month
January (10.4°F)
Annual swing
53.9°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

Parnell

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 Parnell Seattle
High Low Precip High Low Precip
January 28.4°F 10.4°F 1.16 in 48.6°F 36.8°F 5.21 in
February 33.0°F 14.3°F 1.46 in 50.7°F 36.8°F 3.71 in
March 46.5°F 25.8°F 2.19 in 54.8°F 39.4°F 3.94 in
April 60.4°F 36.4°F 3.92 in 59.8°F 43.6°F 2.89 in
May 71.3°F 48.9°F 4.85 in 66.5°F 49.3°F 1.98 in
June 80.5°F 59.4°F 4.80 in 71.2°F 54.0°F 1.22 in
July 84.0°F 62.6°F 4.32 in 77.3°F 57.5°F 0.56 in
August 82.1°F 59.7°F 4.47 in 77.4°F 58.1°F 0.83 in
September 76.3°F 50.7°F 3.80 in 71.7°F 53.9°F 1.37 in
October 63.0°F 38.6°F 2.83 in 61.0°F 46.4°F 3.49 in
November 47.3°F 26.9°F 2.20 in 53.0°F 39.9°F 5.80 in
December 34.2°F 16.3°F 1.69 in 47.8°F 36.2°F 5.49 in
Parnell overview
Full climate profile
 Seattle overview
Full climate profile