Martinsville, IL vs Seattle, WA

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

Martinsville is about the same temperature as Seattle (54.1°F vs 53.8°F annual avg) and wetter than it (45.5 in vs 36.5 in per year). Martinsville has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Martinsville, IL

Annual avg
54.1°F
Annual precip
45.5 in
Warmest month
July (87.7°F)
Coldest month
January (19.3°F)
Annual swing
48.3°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa USDA Zone 7a

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

Martinsville

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 Martinsville Seattle
High Low Precip High Low Precip
January 37.5°F 19.3°F 3.25 in 48.6°F 36.8°F 5.21 in
February 42.5°F 22.2°F 2.60 in 50.7°F 36.8°F 3.71 in
March 53.2°F 32.0°F 3.34 in 54.8°F 39.4°F 3.94 in
April 65.2°F 42.8°F 5.07 in 59.8°F 43.6°F 2.89 in
May 75.9°F 53.9°F 4.48 in 66.5°F 49.3°F 1.98 in
June 84.0°F 62.7°F 5.16 in 71.2°F 54.0°F 1.22 in
July 87.7°F 65.7°F 4.64 in 77.3°F 57.5°F 0.56 in
August 86.3°F 64.0°F 3.03 in 77.4°F 58.1°F 0.83 in
September 80.8°F 55.4°F 3.07 in 71.7°F 53.9°F 1.37 in
October 68.7°F 44.1°F 3.81 in 61.0°F 46.4°F 3.49 in
November 54.1°F 33.4°F 4.03 in 53.0°F 39.9°F 5.80 in
December 42.1°F 24.3°F 3.06 in 47.8°F 36.2°F 5.49 in
Martinsville overview
Full climate profile
 Seattle overview
Full climate profile