The Dalles, OR vs Seattle, WA

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

The Dalles is about the same temperature as Seattle (54.4°F vs 53.8°F annual avg) and drier than it (13.7 in vs 36.5 in per year). The Dalles has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

The Dalles, OR

Annual avg
54.4°F
Annual precip
13.7 in
Warmest month
July (88.4°F)
Coldest month
January (30.9°F)
Annual swing
38.5°F
Pleasant months
1 / 12
Semi-arid (cold) BSk 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

The Dalles

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 The Dalles Seattle
High Low Precip High Low Precip
January 42.1°F 30.9°F 2.38 in 48.6°F 36.8°F 5.21 in
February 48.4°F 32.1°F 1.58 in 50.7°F 36.8°F 3.71 in
March 56.7°F 36.2°F 1.18 in 54.8°F 39.4°F 3.94 in
April 64.2°F 41.7°F 0.83 in 59.8°F 43.6°F 2.89 in
May 73.5°F 49.0°F 0.76 in 66.5°F 49.3°F 1.98 in
June 79.1°F 55.1°F 0.48 in 71.2°F 54.0°F 1.22 in
July 88.4°F 61.0°F 0.16 in 77.3°F 57.5°F 0.56 in
August 87.9°F 60.3°F 0.16 in 77.4°F 58.1°F 0.83 in
September 80.4°F 52.2°F 0.33 in 71.7°F 53.9°F 1.37 in
October 65.5°F 42.6°F 1.14 in 61.0°F 46.4°F 3.49 in
November 50.2°F 35.1°F 1.97 in 53.0°F 39.9°F 5.80 in
December 41.4°F 31.0°F 2.68 in 47.8°F 36.2°F 5.49 in
The Dalles overview
Full climate profile
 Seattle overview
Full climate profile