Simpson, LA vs Seattle, WA

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

Simpson is warmer than Seattle (66.5°F vs 53.8°F annual avg) and wetter than it (57.3 in vs 36.5 in per year). Simpson has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.

Simpson, LA

Annual avg
66.5°F
Annual precip
57.3 in
Warmest month
August (93.8°F)
Coldest month
January (37.8°F)
Annual swing
33.5°F
Pleasant months
2 / 12
Humid subtropical Cfa USDA Zone 9a

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

Simpson

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 Simpson Seattle
High Low Precip High Low Precip
January 60.1°F 37.8°F 5.34 in 48.6°F 36.8°F 5.21 in
February 63.7°F 41.1°F 4.70 in 50.7°F 36.8°F 3.71 in
March 71.4°F 47.9°F 5.73 in 54.8°F 39.4°F 3.94 in
April 78.2°F 54.5°F 5.70 in 59.8°F 43.6°F 2.89 in
May 85.1°F 62.9°F 4.76 in 66.5°F 49.3°F 1.98 in
June 90.6°F 69.2°F 4.57 in 71.2°F 54.0°F 1.22 in
July 93.2°F 71.6°F 3.94 in 77.3°F 57.5°F 0.56 in
August 93.8°F 70.9°F 3.36 in 77.4°F 58.1°F 0.83 in
September 89.0°F 65.7°F 4.17 in 71.7°F 53.9°F 1.37 in
October 79.8°F 54.8°F 4.97 in 61.0°F 46.4°F 3.49 in
November 69.1°F 44.9°F 4.61 in 53.0°F 39.9°F 5.80 in
December 60.7°F 39.6°F 5.49 in 47.8°F 36.2°F 5.49 in
Simpson overview
Full climate profile
 Seattle overview
Full climate profile