Last updated: August 27, 2025
In December, the average temperature in Castrillo-Tejeriego, Spain hovers around 6°C (42°F). Expect chilly nights, with temperatures dipping to a minimum of -4°C (25°F), while daytime highs can reach up to 16°C (61°F). This month typically sees about 54 mm (2.1 in) of precipitation over 10 days, contributing to a rather humid atmosphere with an average humidity of 90%.
In December in Castrillo-Tejeriego, the average temperature is 6°C (42°F). Maximum temperatures can reach 16°C (61°F), while minimums can dip as low as -4°C (25°F). Be sure to pack layers to stay comfortable while exploring!
In Castrillo-Tejeriego in December, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.
In Castrillo-Tejeriego in December, humidity is 90%. With an average temperature of 6°C (42°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing your clothes to cling uncomfortably, which can be quite challenging for traveling.
In Castrillo-Tejeriego 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 Castrillo-Tejeriego, you can visit Hourly UV Index in Castrillo-Tejeriego.
UV Risk Categories
Weather in Castrillo-Tejeriego varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castrillo-Tejeriego, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 34 mm (1.4 inches) | 90% | moderate |
| February Weather | 7°C (44°F) | 45 mm (1.8 inches) | 86% | moderate |
| March Weather | 8°C (47°F) | 52 mm (2.0 inches) | 79% | high |
| April Weather | 11°C (52°F) | 78 mm (3.1 inches) | 74% | very high |
| May Weather | 15°C (60°F) | 53 mm (2.1 inches) | 71% | very high |
| June Weather | 19°C (67°F) | 49 mm (1.9 inches) | 63% | extreme |
| July Weather | 23°C (73°F) | 21 mm (0.8 inches) | 59% | extreme |
| August Weather | 22°C (72°F) | 14 mm (0.5 inches) | 58% | very high |
| September Weather | 18°C (65°F) | 32 mm (1.3 inches) | 65% | very high |
| October Weather | 13°C (56°F) | 51 mm (2.0 inches) | 77% | high |
| November Weather | 8°C (46°F) | 66 mm (2.6 inches) | 87% | moderate |
| December Weather | 6°C (42°F) | 54 mm (2.1 inches) | 90% | low |