Last updated: August 27, 2025
In December, the average temperature in Cilleruelo de San Mames, Spain hovers around 5°C (41°F). Expect minimums to dip as low as -5°C (23°F), with pleasant highs reaching up to 18°C (65°F). The region experiences a total precipitation of 61 mm (2.4 in) spread across about 11 days, contributing to an average humidity level of 90%.
In December in Cilleruelo de San Mames, the average temperature is 5°C (41°F). Maximums can reach 18°C (65°F) and minimums can be as low as -5°C (23°F). It's advisable to pack layers to stay comfortable while exploring this chilly yet charming destination.
In Cilleruelo de San Mames in December, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.
In Cilleruelo de San Mames in December, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.
In Cilleruelo de San Mames 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 Cilleruelo de San Mames, you can visit Hourly UV Index in Cilleruelo de San Mames.
UV Risk Categories
Weather in Cilleruelo de San Mames varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cilleruelo de San Mames, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 46 mm (1.8 inches) | 90% | moderate |
| February Weather | 6°C (43°F) | 44 mm (1.7 inches) | 86% | moderate |
| March Weather | 8°C (46°F) | 57 mm (2.2 inches) | 79% | high |
| April Weather | 10°C (51°F) | 84 mm (3.3 inches) | 74% | very high |
| May Weather | 15°C (59°F) | 63 mm (2.5 inches) | 71% | very high |
| June Weather | 19°C (66°F) | 55 mm (2.1 inches) | 63% | extreme |
| July Weather | 23°C (73°F) | 23 mm (0.9 inches) | 59% | extreme |
| August Weather | 23°C (73°F) | 16 mm (0.6 inches) | 58% | very high |
| September Weather | 18°C (64°F) | 28 mm (1.1 inches) | 65% | very high |
| October Weather | 13°C (55°F) | 45 mm (1.8 inches) | 77% | high |
| November Weather | 7°C (45°F) | 70 mm (2.8 inches) | 87% | moderate |
| December Weather | 5°C (41°F) | 61 mm (2.4 inches) | 90% | low |