Sisseton, SD vs Seattle, WA

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

Sisseton is cooler than Seattle (44°F vs 53.8°F annual avg) and drier than it (25.4 in vs 36.5 in per year). Sisseton has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Sisseton, SD

Annual avg
44°F
Annual precip
25.4 in
Warmest month
July (82.0°F)
Coldest month
January (4.5°F)
Annual swing
58.2°F
Pleasant months
1 / 12
Warm-summer humid continental Dfb USDA Zone 5b

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

Sisseton

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 Sisseton Seattle
High Low Precip High Low Precip
January 22.1°F 4.5°F 0.79 in 48.6°F 36.8°F 5.21 in
February 26.6°F 8.5°F 0.82 in 50.7°F 36.8°F 3.71 in
March 39.2°F 20.4°F 1.35 in 54.8°F 39.4°F 3.94 in
April 54.6°F 32.7°F 2.38 in 59.8°F 43.6°F 2.89 in
May 68.1°F 45.7°F 3.08 in 66.5°F 49.3°F 1.98 in
June 77.5°F 56.4°F 3.91 in 71.2°F 54.0°F 1.22 in
July 82.0°F 60.9°F 3.67 in 77.3°F 57.5°F 0.56 in
August 80.2°F 58.6°F 2.45 in 77.4°F 58.1°F 0.83 in
September 72.4°F 49.6°F 2.63 in 71.7°F 53.9°F 1.37 in
October 57.0°F 36.8°F 2.54 in 61.0°F 46.4°F 3.49 in
November 40.6°F 22.9°F 1.04 in 53.0°F 39.9°F 5.80 in
December 27.2°F 11.0°F 0.78 in 47.8°F 36.2°F 5.49 in
Sisseton overview
Full climate profile
 Seattle overview
Full climate profile