Royal Oak, MI vs Seattle, WA

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

Royal Oak is cooler than Seattle (50.5°F vs 53.8°F annual avg) and drier than it (29.9 in vs 36.5 in per year). Royal Oak has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Royal Oak, MI

Annual avg
50.5°F
Annual precip
29.9 in
Warmest month
July (83.5°F)
Coldest month
January (19.8°F)
Annual swing
48.1°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 7a

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

Royal Oak

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 Royal Oak Seattle
High Low Precip High Low Precip
January 32.4°F 19.8°F 1.45 in 48.6°F 36.8°F 5.21 in
February 35.0°F 21.0°F 1.41 in 50.7°F 36.8°F 3.71 in
March 44.9°F 28.4°F 2.02 in 54.8°F 39.4°F 3.94 in
April 57.6°F 38.6°F 2.82 in 59.8°F 43.6°F 2.89 in
May 69.5°F 49.8°F 3.49 in 66.5°F 49.3°F 1.98 in
June 79.2°F 60.2°F 3.10 in 71.2°F 54.0°F 1.22 in
July 83.5°F 64.9°F 3.22 in 77.3°F 57.5°F 0.56 in
August 81.4°F 63.7°F 3.10 in 77.4°F 58.1°F 0.83 in
September 74.3°F 55.8°F 3.09 in 71.7°F 53.9°F 1.37 in
October 61.4°F 44.7°F 2.30 in 61.0°F 46.4°F 3.49 in
November 48.2°F 34.4°F 2.16 in 53.0°F 39.9°F 5.80 in
December 37.2°F 25.8°F 1.73 in 47.8°F 36.2°F 5.49 in
Royal Oak overview
Full climate profile
 Seattle overview
Full climate profile