Arvada, CO vs Seattle, WA

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

Arvada is cooler than Seattle (51.5°F vs 53.8°F annual avg) and drier than it (18.7 in vs 36.5 in per year). Arvada has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.

Arvada, CO

Annual avg
51.5°F
Annual precip
18.7 in
Warmest month
July (86.9°F)
Coldest month
February (22.3°F)
Annual swing
40°F
Pleasant months
1 / 12
Humid subtropical Cfa USDA Zone 7b

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

Arvada

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 Arvada Seattle
High Low Precip High Low Precip
January 45.2°F 23.2°F 0.70 in 48.6°F 36.8°F 5.21 in
February 46.0°F 22.3°F 0.86 in 50.7°F 36.8°F 3.71 in
March 54.0°F 29.3°F 1.67 in 54.8°F 39.4°F 3.94 in
April 60.0°F 35.2°F 2.51 in 59.8°F 43.6°F 2.89 in
May 68.9°F 44.7°F 2.95 in 66.5°F 49.3°F 1.98 in
June 80.8°F 54.7°F 1.73 in 71.2°F 54.0°F 1.22 in
July 86.9°F 60.6°F 1.69 in 77.3°F 57.5°F 0.56 in
August 84.4°F 58.9°F 1.84 in 77.4°F 58.1°F 0.83 in
September 76.3°F 51.1°F 1.79 in 71.7°F 53.9°F 1.37 in
October 63.9°F 39.4°F 1.32 in 61.0°F 46.4°F 3.49 in
November 52.6°F 30.0°F 0.94 in 53.0°F 39.9°F 5.80 in
December 44.7°F 22.8°F 0.72 in 47.8°F 36.2°F 5.49 in
Arvada overview
Full climate profile
 Seattle overview
Full climate profile