Hanover, IL vs Seattle, WA

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

Hanover is cooler than Seattle (47.5°F vs 53.8°F annual avg) and similar rainfall to it (39.4 in vs 36.5 in per year). Hanover has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Hanover, IL

Annual avg
47.5°F
Annual precip
39.4 in
Warmest month
July (83.3°F)
Coldest month
January (10.4°F)
Annual swing
53°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

Hanover

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 Hanover Seattle
High Low Precip High Low Precip
January 28.0°F 10.4°F 1.43 in 48.6°F 36.8°F 5.21 in
February 32.8°F 14.3°F 1.74 in 50.7°F 36.8°F 3.71 in
March 45.5°F 25.4°F 2.33 in 54.8°F 39.4°F 3.94 in
April 58.8°F 35.8°F 3.85 in 59.8°F 43.6°F 2.89 in
May 70.2°F 47.1°F 4.29 in 66.5°F 49.3°F 1.98 in
June 79.8°F 57.7°F 5.82 in 71.2°F 54.0°F 1.22 in
July 83.3°F 61.2°F 4.65 in 77.3°F 57.5°F 0.56 in
August 81.4°F 58.8°F 4.02 in 77.4°F 58.1°F 0.83 in
September 74.6°F 50.0°F 3.85 in 71.7°F 53.9°F 1.37 in
October 62.1°F 38.9°F 3.04 in 61.0°F 46.4°F 3.49 in
November 46.6°F 27.8°F 2.44 in 53.0°F 39.9°F 5.80 in
December 33.6°F 16.9°F 1.89 in 47.8°F 36.2°F 5.49 in
Hanover overview
Full climate profile
 Seattle overview
Full climate profile