Temperature
Pleasant by day, brisk at night.
Aliso Viejo is usually most comfortable in April, May, June, and November. Typical daytime highs range from 63–75°F across the year. Most months see little rain.

Pleasant by day, brisk at night.
A few rainy days. About 3 wet days this month.
Plenty of sun this month.
In November, afternoons feel about 62° and nights feel near 56°.
Mostly clear skies this month.
Calm winds are typical in November.
November late afternoons are around 65°F, easing to about 61°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 63 | 51 | 2.6 | 6 | 8.8 | 73 |
| Feb | 63 | 52 | 3.1 | 6 | 9.3 | 74 |
| Mar | 64 | 54 | 1.8 | 5 | 11.0 | 77 |
| Apr | 65 | 55 | 0.8 | 3 | 11.8 | 76 |
| May | 66 | 58 | 0.3 | 2 | 12.8 | 78 |
| Jun | 69 | 61 | 0.1 | 0 | 13.5 | 79 |
| Jul | 73 | 65 | 0.1 | 0 | 13.6 | 78 |
| Aug | 75 | 66 | 0.0 | 0 | 12.7 | 78 |
| Sep | 75 | 65 | 0.1 | 1 | 11.6 | 79 |
| Oct | 72 | 62 | 0.6 | 2 | 10.5 | 76 |
| Nov | 68 | 56 | 0.8 | 3 | 9.5 | 73 |
| Dec | 63 | 52 | 1.9 | 5 | 8.7 | 73 |
Similar climates
Want a side-by-side climate view? Compare Aliso Viejo with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology