Last updated: August 27, 2025
In Cuevas de San Marcos, Spain, the average temperature for December is a cool 10°C (50°F). Expect a wide range with minimum temperatures dipping to -1°C (30°F) and reaching a pleasant maximum of 22°C (72°F). Alongside this variability, you can anticipate 53 mm (2.1 in) of precipitation over 8 days, contributing to a high average humidity of 79%.
In December in Cuevas de San Marcos, the average temperature is 10°C (50°F). Maximums can reach 22°C (72°F) and minimums can be as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling during this time.
In Cuevas de San Marcos in December, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.
In Cuevas de San Marcos in December humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.
In Cuevas de San Marcos in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cuevas de San Marcos, you can check the information here.
UV Risk Categories
Weather in Cuevas de San Marcos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cuevas de San Marcos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 41 mm (1.6 inches) | 76% | moderate |
| February Weather | 11°C (52°F) | 34 mm (1.3 inches) | 71% | moderate |
| March Weather | 12°C (54°F) | 90 mm (3.5 inches) | 66% | high |
| April Weather | 14°C (58°F) | 69 mm (2.7 inches) | 58% | very high |
| May Weather | 19°C (66°F) | 25 mm (1.0 inches) | 55% | very high |
| June Weather | 23°C (73°F) | 7 mm (0.3 inches) | 50% | extreme |
| July Weather | 26°C (80°F) | 1 mm (0.0 inches) | 55% | extreme |
| August Weather | 27°C (81°F) | 16 mm (0.6 inches) | 54% | very high |
| September Weather | 23°C (73°F) | 31 mm (1.2 inches) | 61% | very high |
| October Weather | 18°C (65°F) | 44 mm (1.7 inches) | 70% | high |
| November Weather | 12°C (54°F) | 70 mm (2.8 inches) | 76% | moderate |
| December Weather | 10°C (50°F) | 53 mm (2.1 inches) | 79% | moderate |