Donaldsonville, LA vs Seattle, WA

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

Donaldsonville is warmer than Seattle (68.2°F vs 53.8°F annual avg) and wetter than it (63.4 in vs 36.5 in per year). Donaldsonville has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.

Donaldsonville, LA

Annual avg
68.2°F
Annual precip
63.4 in
Warmest month
August (90.8°F)
Coldest month
January (41.7°F)
Annual swing
30.2°F
Pleasant months
2 / 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

Donaldsonville

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 Donaldsonville Seattle
High Low Precip High Low Precip
January 62.1°F 41.7°F 5.78 in 48.6°F 36.8°F 5.21 in
February 66.1°F 45.2°F 4.11 in 50.7°F 36.8°F 3.71 in
March 72.4°F 51.0°F 4.03 in 54.8°F 39.4°F 3.94 in
April 78.4°F 57.1°F 4.88 in 59.8°F 43.6°F 2.89 in
May 84.9°F 65.1°F 5.64 in 66.5°F 49.3°F 1.98 in
June 89.2°F 71.6°F 6.97 in 71.2°F 54.0°F 1.22 in
July 90.6°F 73.5°F 6.51 in 77.3°F 57.5°F 0.56 in
August 90.8°F 73.1°F 6.37 in 77.4°F 58.1°F 0.83 in
September 87.6°F 69.1°F 5.39 in 71.7°F 53.9°F 1.37 in
October 80.3°F 58.6°F 4.65 in 61.0°F 46.4°F 3.49 in
November 70.9°F 48.6°F 4.21 in 53.0°F 39.9°F 5.80 in
December 64.4°F 43.7°F 4.86 in 47.8°F 36.2°F 5.49 in
Donaldsonville overview
Full climate profile
 Seattle overview
Full climate profile