Last updated: August 27, 2025
In December, the average temperature in Sant Julia de Cerdanyola, Spain hovers around 2°C (36°F), but be prepared for a range that can dip to a brisk -10°C (15°F) and peak at a mild 15°C (59°F). This month typically sees 40 mm (1.6 in) of precipitation spread across 6 days, contributing to an average humidity of 88%—so don’t forget your umbrella!
In December in Sant Julia de Cerdanyola, the average temperature is 2°C (36°F). Maximums can reach 15°C (59°F), and minimums can be as low as -10°C (15°F). Travelers should be prepared for chilly weather and pack accordingly for both warm and cold conditions.
In Sant Julia de Cerdanyola in December, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.
In Sant Julia de Cerdanyola in December, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.
In Sant Julia de Cerdanyola 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 Sant Julia de Cerdanyola, you can visit Hourly UV Index in Sant Julia de Cerdanyola.
UV Risk Categories
Weather in Sant Julia de Cerdanyola varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sant Julia de Cerdanyola, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 59 mm (2.3 inches) | 87% | moderate |
| February Weather | 3°C (38°F) | 49 mm (1.9 inches) | 83% | moderate |
| March Weather | 5°C (41°F) | 77 mm (3.0 inches) | 80% | high |
| April Weather | 7°C (45°F) | 114 mm (4.5 inches) | 77% | very high |
| May Weather | 12°C (53°F) | 131 mm (5.2 inches) | 75% | very high |
| June Weather | 15°C (60°F) | 108 mm (4.3 inches) | 74% | extreme |
| July Weather | 18°C (65°F) | 72 mm (2.8 inches) | 72% | extreme |
| August Weather | 18°C (65°F) | 86 mm (3.4 inches) | 70% | very high |
| September Weather | 14°C (58°F) | 90 mm (3.5 inches) | 73% | very high |
| October Weather | 10°C (50°F) | 102 mm (4.0 inches) | 82% | high |
| November Weather | 4°C (40°F) | 80 mm (3.1 inches) | 87% | moderate |
| December Weather | 2°C (36°F) | 40 mm (1.6 inches) | 88% | low |