Mission Viejo, CA vs Seattle, WA

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

Mission Viejo is warmer than Seattle (63.1°F vs 53.8°F annual avg) and drier than it (12.7 in vs 36.5 in per year). Mission Viejo has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Mission Viejo, CA

Annual avg
63.1°F
Annual precip
12.7 in
Warmest month
August (81.2°F)
Coldest month
December (43.8°F)
Annual swing
15.6°F
Pleasant months
5 / 12
Semi-arid (cold) BSk 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

Mission Viejo

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 Mission Viejo Seattle
High Low Precip High Low Precip
January 68.4°F 44.2°F 2.78 in 48.6°F 36.8°F 5.21 in
February 67.8°F 44.8°F 3.39 in 50.7°F 36.8°F 3.71 in
March 69.3°F 47.9°F 1.62 in 54.8°F 39.4°F 3.94 in
April 72.5°F 50.1°F 0.80 in 59.8°F 43.6°F 2.89 in
May 74.5°F 54.5°F 0.20 in 66.5°F 49.3°F 1.98 in
June 76.0°F 57.8°F 0.11 in 71.2°F 54.0°F 1.22 in
July 79.5°F 60.1°F 0.11 in 77.3°F 57.5°F 0.56 in
August 81.2°F 61.2°F 0.02 in 77.4°F 58.1°F 0.83 in
September 81.0°F 58.5°F 0.16 in 71.7°F 53.9°F 1.37 in
October 77.2°F 55.1°F 0.49 in 61.0°F 46.4°F 3.49 in
November 72.2°F 48.5°F 1.13 in 53.0°F 39.9°F 5.80 in
December 67.3°F 43.8°F 1.87 in 47.8°F 36.2°F 5.49 in
Mission Viejo overview
Full climate profile
 Seattle overview
Full climate profile