Sunnyside, WA vs Seattle, WA

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

Sunnyside is cooler than Seattle (49.9°F vs 53.8°F annual avg) and drier than it (7.6 in vs 36.5 in per year). Sunnyside has a Desert (cold) climate; Seattle a Warm-summer Mediterranean climate.

Sunnyside, WA

Annual avg
49.9°F
Annual precip
7.6 in
Warmest month
July (88.2°F)
Coldest month
December (22.4°F)
Annual swing
41.6°F
Desert (cold) BWk 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

Sunnyside

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 Sunnyside Seattle
High Low Precip High Low Precip
January 37.6°F 23.0°F 0.98 in 48.6°F 36.8°F 5.21 in
February 45.4°F 24.3°F 0.65 in 50.7°F 36.8°F 3.71 in
March 55.4°F 29.7°F 0.54 in 54.8°F 39.4°F 3.94 in
April 63.3°F 35.6°F 0.61 in 59.8°F 43.6°F 2.89 in
May 72.8°F 43.7°F 0.75 in 66.5°F 49.3°F 1.98 in
June 79.2°F 49.1°F 0.59 in 71.2°F 54.0°F 1.22 in
July 88.2°F 54.4°F 0.14 in 77.3°F 57.5°F 0.56 in
August 86.5°F 52.2°F 0.26 in 77.4°F 58.1°F 0.83 in
September 77.7°F 44.5°F 0.36 in 71.7°F 53.9°F 1.37 in
October 63.6°F 35.2°F 0.74 in 61.0°F 46.4°F 3.49 in
November 48.3°F 27.4°F 0.85 in 53.0°F 39.9°F 5.80 in
December 37.1°F 22.4°F 1.18 in 47.8°F 36.2°F 5.49 in
Sunnyside overview
Full climate profile
 Seattle overview
Full climate profile