Last updated: August 27, 2025
In Castellfollit de Riubregos, Spain during December, the average temperature hovers around 6°C (43°F). Expect a chilly minimum of -4°C (24°F), while the highs can reach up to 16°C (62°F). With an average humidity of 79%, there’s also a chance of rain, as the area receives about 24 mm (0.9 in) of precipitation over 4 days.
In December in Castellfollit de Riubregos, the average temperature is 6°C (43°F). The maximum can reach 16°C (62°F), while the minimum can dip as low as -4°C (24°F). Travelers should be prepared for a mix of chilly and mild weather during this time, making it a great opportunity to experience the seasonal changes.
In Castellfollit de Riubregos in December, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.
In Castellfollit de Riubregos in December, humidity is 79%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and urging travelers to seek warmer, more comfortable shelters.
In Castellfollit de Riubregos in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Castellfollit de Riubregos, you can visit Hourly UV Index in Castellfollit de Riubregos.
UV Risk Categories
Weather in Castellfollit de Riubregos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castellfollit de Riubregos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 42 mm (1.7 inches) | 79% | moderate |
| February Weather | 8°C (46°F) | 35 mm (1.4 inches) | 74% | moderate |
| March Weather | 9°C (49°F) | 58 mm (2.3 inches) | 71% | moderate |
| April Weather | 12°C (53°F) | 90 mm (3.6 inches) | 69% | high |
| May Weather | 16°C (61°F) | 80 mm (3.1 inches) | 66% | very high |
| June Weather | 20°C (69°F) | 71 mm (2.8 inches) | 65% | very high |
| July Weather | 24°C (75°F) | 41 mm (1.6 inches) | 64% | very high |
| August Weather | 23°C (74°F) | 82 mm (3.2 inches) | 64% | very high |
| September Weather | 19°C (66°F) | 81 mm (3.2 inches) | 68% | high |
| October Weather | 15°C (58°F) | 101 mm (4.0 inches) | 77% | high |
| November Weather | 9°C (48°F) | 59 mm (2.3 inches) | 79% | moderate |
| December Weather | 6°C (43°F) | 24 mm (0.9 inches) | 79% | low |