South Pasadena, CA vs Seattle, WA

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

South Pasadena is warmer than Seattle (66°F vs 53.8°F annual avg) and drier than it (20.1 in vs 36.5 in per year). South Pasadena has a Semi-arid (hot) climate; Seattle a Warm-summer Mediterranean climate.

South Pasadena, CA

Annual avg
66°F
Annual precip
20.1 in
Warmest month
August (91.3°F)
Coldest month
December (44.7°F)
Annual swing
21.2°F
Pleasant months
2 / 12
Semi-arid (hot) BSh USDA Zone 9b

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

South Pasadena

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 South Pasadena Seattle
High Low Precip High Low Precip
January 68.1°F 45.5°F 4.51 in 48.6°F 36.8°F 5.21 in
February 69.3°F 46.1°F 5.16 in 50.7°F 36.8°F 3.71 in
March 72.6°F 48.4°F 3.03 in 54.8°F 39.4°F 3.94 in
April 76.2°F 50.6°F 1.11 in 59.8°F 43.6°F 2.89 in
May 78.3°F 53.9°F 0.48 in 66.5°F 49.3°F 1.98 in
June 83.7°F 57.8°F 0.21 in 71.2°F 54.0°F 1.22 in
July 89.1°F 62.0°F 0.06 in 77.3°F 57.5°F 0.56 in
August 91.3°F 63.2°F 0.03 in 77.4°F 58.1°F 0.83 in
September 89.9°F 61.6°F 0.22 in 71.7°F 53.9°F 1.37 in
October 83.0°F 56.3°F 0.84 in 61.0°F 46.4°F 3.49 in
November 74.7°F 49.6°F 1.10 in 53.0°F 39.9°F 5.80 in
December 67.2°F 44.7°F 3.33 in 47.8°F 36.2°F 5.49 in
South Pasadena overview
Full climate profile
 Seattle overview
Full climate profile