Duvall, WA vs Seattle, WA

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

Duvall is cooler than Seattle (49.5°F vs 53.8°F annual avg) and wetter than it (50.8 in vs 36.5 in per year). Both cities share a Warm-summer Mediterranean climate (Csb).

Duvall, WA

Annual avg
49.5°F
Annual precip
50.8 in
Warmest month
August (74.7°F)
Coldest month
December (31.5°F)
Annual swing
26°F
Pleasant months
2 / 12
Warm-summer Mediterranean Csb USDA Zone 8b

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

Duvall

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 Duvall Seattle
High Low Precip High Low Precip
January 44.0°F 32.1°F 6.54 in 48.6°F 36.8°F 5.21 in
February 47.6°F 32.1°F 4.47 in 50.7°F 36.8°F 3.71 in
March 52.0°F 34.8°F 5.22 in 54.8°F 39.4°F 3.94 in
April 57.4°F 38.6°F 4.30 in 59.8°F 43.6°F 2.89 in
May 63.9°F 44.0°F 3.42 in 66.5°F 49.3°F 1.98 in
June 68.0°F 48.6°F 2.69 in 71.2°F 54.0°F 1.22 in
July 74.2°F 51.8°F 1.15 in 77.3°F 57.5°F 0.56 in
August 74.7°F 51.5°F 1.30 in 77.4°F 58.1°F 0.83 in
September 68.7°F 47.6°F 2.73 in 71.7°F 53.9°F 1.37 in
October 57.7°F 41.2°F 5.03 in 61.0°F 46.4°F 3.49 in
November 48.5°F 35.3°F 7.16 in 53.0°F 39.9°F 5.80 in
December 42.7°F 31.5°F 6.76 in 47.8°F 36.2°F 5.49 in
Duvall overview
Full climate profile
 Seattle overview
Full climate profile