Mattoon, IL vs Seattle, WA

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

Mattoon is about the same temperature as Seattle (53.6°F vs 53.8°F annual avg) and similar rainfall to it (41.3 in vs 36.5 in per year). Mattoon has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Mattoon, IL

Annual avg
53.6°F
Annual precip
41.3 in
Warmest month
July (86.1°F)
Coldest month
January (20.2°F)
Annual swing
48.9°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 7b

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

Mattoon

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 Mattoon Seattle
High Low Precip High Low Precip
January 34.8°F 20.2°F 2.61 in 48.6°F 36.8°F 5.21 in
February 39.6°F 23.4°F 2.18 in 50.7°F 36.8°F 3.71 in
March 51.3°F 32.9°F 2.81 in 54.8°F 39.4°F 3.94 in
April 64.4°F 43.3°F 4.78 in 59.8°F 43.6°F 2.89 in
May 74.3°F 54.0°F 4.10 in 66.5°F 49.3°F 1.98 in
June 82.8°F 63.8°F 4.71 in 71.2°F 54.0°F 1.22 in
July 86.1°F 66.6°F 4.26 in 77.3°F 57.5°F 0.56 in
August 84.5°F 65.1°F 2.85 in 77.4°F 58.1°F 0.83 in
September 79.2°F 56.6°F 3.11 in 71.7°F 53.9°F 1.37 in
October 66.4°F 46.6°F 3.77 in 61.0°F 46.4°F 3.49 in
November 51.2°F 34.2°F 3.56 in 53.0°F 39.9°F 5.80 in
December 39.7°F 25.4°F 2.55 in 47.8°F 36.2°F 5.49 in
Mattoon overview
Full climate profile
 Seattle overview
Full climate profile