Temperature
Pleasant by day, brisk at night.
Brea is usually most comfortable in November and December. Typical daytime highs range from 66–89°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 66° and nights feel near 50°.
Mostly clear skies this month.
Calm winds are typical in November.
November late afternoons are around 69°F, easing to about 61°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 67 | 48 | 3.3 | 6 | 8.7 | 62 |
| Feb | 67 | 49 | 3.5 | 7 | 9.1 | 64 |
| Mar | 70 | 51 | 2.2 | 6 | 10.8 | 66 |
| Apr | 74 | 54 | 0.9 | 4 | 11.8 | 63 |
| May | 77 | 58 | 0.4 | 2 | 13.0 | 66 |
| Jun | 82 | 62 | 0.1 | 0 | 13.7 | 65 |
| Jul | 87 | 66 | 0.1 | 1 | 13.8 | 61 |
| Aug | 89 | 67 | 0.0 | 0 | 12.9 | 59 |
| Sep | 87 | 65 | 0.1 | 1 | 11.8 | 60 |
| Oct | 81 | 60 | 0.6 | 2 | 10.6 | 58 |
| Nov | 73 | 53 | 0.8 | 3 | 9.5 | 56 |
| Dec | 66 | 47 | 2.2 | 5 | 8.5 | 60 |
Similar climates
Want a side-by-side climate view? Compare Brea 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