Last updated: August 27, 2025
In December, the average temperature in San Pelayo, Spain hovers around 6°C (43°F). While you might experience a brisk minimum of -5°C (24°F), the days can warm up to a pleasant 15°C (60°F). Be prepared for some rain, as precipitation totals around 49 mm (1.9 in) over approximately 10 days. With an average humidity of 91%, it’s the perfect time to bundle up and enjoy the cozy atmosphere!
In December in San Pelayo, the average temperature is 6°C (43°F). Maximums can reach 15°C (60°F), and minimums can be as low as -5°C (24°F). Prepare for a mix of chilly and mild days, so pack layers for your travels.
In San Pelayo in December, the total precipitation amount is 49 mm (1.9 in) over the course of 10 days.
In San Pelayo in December, humidity is 91%. With an average temperature of 6°C (43°F), this humidity feels like a thick blanket wrapped around you, making travel uncomfortable and sticky as every step becomes a challenge against the heavy, damp air.
In San Pelayo 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 San Pelayo, you can visit Hourly UV Index in San Pelayo.
UV Risk Categories
Weather in San Pelayo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Pelayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 29 mm (1.1 inches) | 91% | moderate |
| February Weather | 7°C (45°F) | 43 mm (1.7 inches) | 85% | moderate |
| March Weather | 9°C (48°F) | 49 mm (1.9 inches) | 79% | high |
| April Weather | 11°C (52°F) | 73 mm (2.9 inches) | 77% | very high |
| May Weather | 16°C (61°F) | 42 mm (1.6 inches) | 76% | very high |
| June Weather | 20°C (68°F) | 48 mm (1.9 inches) | 64% | extreme |
| July Weather | 23°C (73°F) | 21 mm (0.8 inches) | 54% | extreme |
| August Weather | 22°C (73°F) | 12 mm (0.5 inches) | 52% | very high |
| September Weather | 19°C (66°F) | 40 mm (1.6 inches) | 63% | very high |
| October Weather | 14°C (57°F) | 48 mm (1.9 inches) | 78% | high |
| November Weather | 8°C (47°F) | 59 mm (2.3 inches) | 90% | moderate |
| December Weather | 6°C (43°F) | 49 mm (1.9 inches) | 91% | low |