Decatur, TN vs Seattle, WA

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

Decatur is warmer than Seattle (58.4°F vs 53.8°F annual avg) and wetter than it (57.6 in vs 36.5 in per year). Decatur has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.

Decatur, TN

Annual avg
58.4°F
Annual precip
57.6 in
Warmest month
July (89.1°F)
Coldest month
January (27.6°F)
Annual swing
40.1°F
Pleasant months
1 / 12
Humid subtropical Cfa USDA Zone 8a

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

Decatur

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 Decatur Seattle
High Low Precip High Low Precip
January 48.2°F 27.6°F 5.62 in 48.6°F 36.8°F 5.21 in
February 52.6°F 30.3°F 5.24 in 50.7°F 36.8°F 3.71 in
March 61.5°F 35.9°F 5.32 in 54.8°F 39.4°F 3.94 in
April 71.2°F 43.7°F 5.42 in 59.8°F 43.6°F 2.89 in
May 79.0°F 53.8°F 4.60 in 66.5°F 49.3°F 1.98 in
June 85.7°F 62.9°F 4.79 in 71.2°F 54.0°F 1.22 in
July 89.1°F 67.0°F 5.36 in 77.3°F 57.5°F 0.56 in
August 88.8°F 65.6°F 3.28 in 77.4°F 58.1°F 0.83 in
September 83.7°F 58.9°F 4.35 in 71.7°F 53.9°F 1.37 in
October 72.9°F 45.5°F 3.24 in 61.0°F 46.4°F 3.49 in
November 60.6°F 34.6°F 4.65 in 53.0°F 39.9°F 5.80 in
December 51.1°F 30.4°F 5.72 in 47.8°F 36.2°F 5.49 in
Decatur overview
Full climate profile
 Seattle overview
Full climate profile