Irvine, CA vs Seattle, WA
Side-by-side comparison of monthly climate normals (NOAA 1991-2020).
Irvine is warmer than Seattle (64.9°F vs 53.8°F annual avg) and drier than it (14.1 in vs 36.5 in per year). Irvine has a Semi-arid (hot) climate; Seattle a Warm-summer Mediterranean climate.
Irvine, CA
Annual avg
64.9°F
Annual precip
14.1 in
Warmest month
August (87.3°F)
Coldest month
December (42.8°F)
Annual swing
19.6°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
Irvine
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 | Irvine | Seattle | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 67.8°F | 43.3°F | 3.09 in | 48.6°F | 36.8°F | 5.21 in |
| February | 69.1°F | 44.6°F | 3.39 in | 50.7°F | 36.8°F | 3.71 in |
| March | 71.7°F | 47.8°F | 2.11 in | 54.8°F | 39.4°F | 3.94 in |
| April | 74.2°F | 49.6°F | 0.80 in | 59.8°F | 43.6°F | 2.89 in |
| May | 76.6°F | 54.6°F | 0.32 in | 66.5°F | 49.3°F | 1.98 in |
| June | 79.6°F | 58.2°F | 0.09 in | 71.2°F | 54.0°F | 1.22 in |
| July | 85.1°F | 61.4°F | 0.01 in | 77.3°F | 57.5°F | 0.56 in |
| August | 87.3°F | 63.1°F | 0.00 in | 77.4°F | 58.1°F | 0.83 in |
| September | 86.8°F | 61.1°F | 0.18 in | 71.7°F | 53.9°F | 1.37 in |
| October | 83.6°F | 54.8°F | 0.67 in | 61.0°F | 46.4°F | 3.49 in |
| November | 75.9°F | 47.3°F | 1.21 in | 53.0°F | 39.9°F | 5.80 in |
| December | 69.9°F | 42.8°F | 2.25 in | 47.8°F | 36.2°F | 5.49 in |
Full climate profile
Seattle overviewFull climate profile