Lake Arthur, LA vs Seattle, WA

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

Lake Arthur is warmer than Seattle (69°F vs 53.8°F annual avg) and wetter than it (59.9 in vs 36.5 in per year). Lake Arthur has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.

Lake Arthur, LA

Annual avg
69°F
Annual precip
59.9 in
Warmest month
August (92.0°F)
Coldest month
January (43.5°F)
Annual swing
30.8°F
Pleasant months
3 / 12
Humid subtropical Cfa USDA Zone 9b

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

Lake Arthur

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 Lake Arthur Seattle
High Low Precip High Low Precip
January 61.4°F 43.5°F 5.61 in 48.6°F 36.8°F 5.21 in
February 65.6°F 46.7°F 4.20 in 50.7°F 36.8°F 3.71 in
March 71.6°F 53.3°F 3.10 in 54.8°F 39.4°F 3.94 in
April 77.6°F 59.6°F 4.75 in 59.8°F 43.6°F 2.89 in
May 83.5°F 68.0°F 4.61 in 66.5°F 49.3°F 1.98 in
June 89.9°F 73.4°F 6.17 in 71.2°F 54.0°F 1.22 in
July 91.4°F 74.9°F 4.99 in 77.3°F 57.5°F 0.56 in
August 92.0°F 74.2°F 6.08 in 77.4°F 58.1°F 0.83 in
September 88.8°F 69.8°F 5.85 in 71.7°F 53.9°F 1.37 in
October 81.0°F 60.5°F 4.51 in 61.0°F 46.4°F 3.49 in
November 71.2°F 50.7°F 5.25 in 53.0°F 39.9°F 5.80 in
December 63.4°F 44.9°F 4.78 in 47.8°F 36.2°F 5.49 in
Lake Arthur overview
Full climate profile
Seattle overview
Full climate profile