Common information
- Country
- Portugal
- Population
- 33 479
Weather, climate, temperature by months in Castelo Branco
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 40 | 32 | 24 | 20 | 25 | 22 | 27 | 30 | 33 | 39 | 41 | 40 | 41 |
| Average high, °C | 27 | 21 | 16 | 13 | 12 | 14 | 18 | 19 | 22 | 27 | 32 | 32 | 21 |
| Average temperature, °C | 21 | 16 | 12 | 9 | 8 | 10 | 13 | 13 | 17 | 21 | 25 | 24 | 16 |
| Average low, °C | 15 | 12 | 8 | 6 | 4 | 5 | 8 | 8 | 11 | 15 | 18 | 17 | 10 |
| Record low, °C | 6 | 3 | -2 | -3 | -4 | -2 | -3 | 0 | 3 | 8 | 9 | 10 | -4 |
| Rain, days | 8 | 0 | 0 | 0 | 0 | 11 | 0 | 10 | 9 | 7 | 4 | 3 | 52 |
| Fog, days | 0 | 1 | 2 | 5 | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 17 |
| Thunderstorms, days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 1 | 1 | 11 |
| Average precipitation, mm. | 37 | 106 | 119 | 128 | 108 | 59 | 37 | 58 | 65 | 25 | 9 | 8 | 758 |
| Relative humidity, % | 65 | 75 | 81 | 81 | 82 | 78 | 78 | 74 | 71 | 65 | 56 | 53 | 72 |
| Monthly sunshine, часов | 257 | 209 | 158 | 123 | 160 | 180 | 240 | 236 | 285 | 329 | 370 | 344 | 2891 |
| Day Length, часов | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 15 | 16 | 15 | 14 | 13 |
| Dew point, °C | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 1 | 3 | 6 | 6 | 6 | 35 |
| Growing degree-day, °C | 338 | 196 | 52 | 0 | 0 | 0 | 85 | 99 | 209 | 328 | 465 | 447 | 2219 |
| Solar radiation, global, Mj/m2 | 18 | 11 | 8 | 6 | 7 | 11 | 15 | 19 | 22 | 27 | 28 | 24 | 16 |