Chelan, WA vs Seattle, WA

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

Chelan is cooler than Seattle (50.1°F vs 53.8°F annual avg) and drier than it (12 in vs 36.5 in per year). Chelan has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Chelan, WA

Annual avg
50.1°F
Annual precip
12 in
Warmest month
August (87.0°F)
Coldest month
January (21.6°F)
Annual swing
44.8°F
Pleasant months
1 / 12
Semi-arid (cold) BSk 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

Chelan

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 Chelan Seattle
High Low Precip High Low Precip
January 34.3°F 21.6°F 1.52 in 48.6°F 36.8°F 5.21 in
February 41.7°F 24.3°F 1.22 in 50.7°F 36.8°F 3.71 in
March 51.9°F 30.3°F 1.09 in 54.8°F 39.4°F 3.94 in
April 62.1°F 37.5°F 0.75 in 59.8°F 43.6°F 2.89 in
May 71.9°F 46.2°F 1.05 in 66.5°F 49.3°F 1.98 in
June 77.9°F 53.0°F 0.87 in 71.2°F 54.0°F 1.22 in
July 86.6°F 59.1°F 0.42 in 77.3°F 57.5°F 0.56 in
August 87.0°F 58.1°F 0.32 in 77.4°F 58.1°F 0.83 in
September 77.2°F 49.2°F 0.34 in 71.7°F 53.9°F 1.37 in
October 62.2°F 38.8°F 1.04 in 61.0°F 46.4°F 3.49 in
November 45.7°F 29.5°F 1.51 in 53.0°F 39.9°F 5.80 in
December 34.9°F 22.6°F 1.83 in 47.8°F 36.2°F 5.49 in
Chelan overview
Full climate profile
 Seattle overview
Full climate profile