Delta Junction, AK vs Seattle, WA

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

Delta Junction is cooler than Seattle (27.5°F vs 53.8°F annual avg) and drier than it (13.4 in vs 36.5 in per year). Delta Junction has a Monsoon subarctic climate; Seattle a Warm-summer Mediterranean climate.

Delta Junction, AK

Annual avg
27.5°F
Annual precip
13.4 in
Warmest month
July (71.9°F)
Coldest month
January (-13.4°F)
Annual swing
64.8°F
Monsoon subarctic Dwc USDA Zone 4a

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

Delta Junction

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 Delta Junction Seattle
High Low Precip High Low Precip
January 3.0°F -13.4°F 0.50 in 48.6°F 36.8°F 5.21 in
February 13.6°F -6.8°F 0.35 in 50.7°F 36.8°F 3.71 in
March 26.9°F -1.5°F 0.25 in 54.8°F 39.4°F 3.94 in
April 46.5°F 18.7°F 0.24 in 59.8°F 43.6°F 2.89 in
May 62.1°F 32.1°F 0.94 in 66.5°F 49.3°F 1.98 in
June 71.0°F 43.5°F 2.97 in 71.2°F 54.0°F 1.22 in
July 71.9°F 47.3°F 3.03 in 77.3°F 57.5°F 0.56 in
August 66.0°F 42.0°F 2.06 in 77.4°F 58.1°F 0.83 in
September 54.1°F 30.6°F 1.14 in 71.7°F 53.9°F 1.37 in
October 32.6°F 15.4°F 0.69 in 61.0°F 46.4°F 3.49 in
November 11.6°F -4.4°F 0.64 in 53.0°F 39.9°F 5.80 in
December 6.1°F -10.4°F 0.57 in 47.8°F 36.2°F 5.49 in
Delta Junction overview
Full climate profile
 Seattle overview
Full climate profile