Mettawa, IL vs Seattle, WA

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

Mettawa is cooler than Seattle (48.4°F vs 53.8°F annual avg) and drier than it (0 in vs 36.5 in per year). Mettawa has a Desert (cold) climate; Seattle a Warm-summer Mediterranean climate.

Mettawa, IL

Annual avg
48.4°F
Annual precip
0 in
Warmest month
July (81.7°F)
Coldest month
January (15.6°F)
Annual swing
49.7°F
Pleasant months
3 / 12
Desert (cold) BWk 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

Mettawa

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 Mettawa Seattle
High Low Precip High Low Precip
January 29.8°F 15.6°F — in 48.6°F 36.8°F 5.21 in
February 33.7°F 17.8°F — in 50.7°F 36.8°F 3.71 in
March 44.1°F 27.4°F — in 54.8°F 39.4°F 3.94 in
April 55.3°F 35.3°F — in 59.8°F 43.6°F 2.89 in
May 67.4°F 47.4°F — in 66.5°F 49.3°F 1.98 in
June 76.3°F 56.9°F — in 71.2°F 54.0°F 1.22 in
July 81.7°F 63.0°F — in 77.3°F 57.5°F 0.56 in
August 79.9°F 61.5°F — in 77.4°F 58.1°F 0.83 in
September 73.9°F 53.8°F — in 71.7°F 53.9°F 1.37 in
October 61.2°F 42.9°F — in 61.0°F 46.4°F 3.49 in
November 47.7°F 31.4°F — in 53.0°F 39.9°F 5.80 in
December 35.5°F 21.7°F — in 47.8°F 36.2°F 5.49 in
Mettawa overview
Full climate profile
 Seattle overview
Full climate profile