Kupreanof, AK vs Seattle, WA

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

Kupreanof is cooler than Seattle (43°F vs 53.8°F annual avg) and wetter than it (110.2 in vs 36.5 in per year). Kupreanof has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Kupreanof, AK

Annual avg
43°F
Annual precip
110.2 in
Warmest month
July (61.7°F)
Coldest month
January (27.2°F)
Annual swing
25.4°F
Warm-summer humid continental Dfb 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

Kupreanof

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 Kupreanof Seattle
High Low Precip High Low Precip
January 34.6°F 27.2°F 11.39 in 48.6°F 36.8°F 5.21 in
February 36.7°F 27.5°F 7.60 in 50.7°F 36.8°F 3.71 in
March 40.3°F 29.6°F 7.60 in 54.8°F 39.4°F 3.94 in
April 47.8°F 35.1°F 6.66 in 59.8°F 43.6°F 2.89 in
May 55.3°F 41.7°F 5.86 in 66.5°F 49.3°F 1.98 in
June 59.9°F 48.1°F 4.98 in 71.2°F 54.0°F 1.22 in
July 61.7°F 51.0°F 5.63 in 77.3°F 57.5°F 0.56 in
August 61.2°F 50.3°F 8.21 in 77.4°F 58.1°F 0.83 in
September 55.7°F 45.8°F 14.35 in 71.7°F 53.9°F 1.37 in
October 47.4°F 39.2°F 13.84 in 61.0°F 46.4°F 3.49 in
November 39.3°F 32.3°F 12.28 in 53.0°F 39.9°F 5.80 in
December 35.3°F 28.4°F 11.79 in 47.8°F 36.2°F 5.49 in
Kupreanof overview
Full climate profile
 Seattle overview
Full climate profile