Temperature
Cool by day, cold at night.
Castelo Branco is usually most comfortable in April and October. Typical daytime highs range from 54–89°F across the year. Most months see little rain.

Cool by day, cold at night.
Several rainy days. About 8 wet days, more than in most months.
Good sunshine this month.
In November, afternoons feel about 55° and nights feel near 43°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 58°F, easing to about 53°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 54 | 39 | 2.4 | 8 | 6.8 | 81 |
| Feb | 57 | 40 | 1.9 | 6 | 8.2 | 74 |
| Mar | 63 | 45 | 2.3 | 7 | 9.4 | 68 |
| Apr | 66 | 47 | 2.1 | 8 | 10.9 | 67 |
| May | 74 | 53 | 2.0 | 7 | 12.1 | 62 |
| Jun | 83 | 59 | 0.4 | 3 | 13.8 | 55 |
| Jul | 89 | 62 | 0.2 | 1 | 13.9 | 50 |
| Aug | 89 | 63 | 0.2 | 1 | 12.7 | 50 |
| Sep | 81 | 59 | 1.3 | 5 | 11.0 | 58 |
| Oct | 71 | 53 | 3.3 | 9 | 8.6 | 69 |
| Nov | 60 | 46 | 3.0 | 8 | 7.2 | 78 |
| Dec | 54 | 41 | 3.0 | 8 | 6.4 | 82 |
Similar climates
Want a side-by-side climate view? Compare Castelo Branco with Barcelona.
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