Last updated: August 27, 2025
In December, the average temperature in San Justo de la Vega, Spain is a cool 5°C (42°F), with a minimum dipping to -4°C (26°F) and a maximum rising to 15°C (59°F). Expect a precipitation amount of approximately 88 mm (3.5 in) spread over about 12 days, and enjoy the damp air with an average humidity of 87%.
In December in San Justo de la Vega, the average temperature is 5°C (42°F). The maximum can reach 15°C (59°F), while the minimum can be as low as -4°C (26°F). Travelers should prepare for chilly weather and bring layers to stay warm while enjoying the sights.
In San Justo de la Vega in December, the precipitation amount is 88 mm (3.5 in) over a span of 12 days.
In San Justo de la Vega in December humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.
In San Justo de la Vega 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 Justo de la Vega, you can visit Hourly UV Index in San Justo de la Vega.
UV Risk Categories
Weather in San Justo de la Vega varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Justo de la Vega, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 37 mm (1.5 inches) | 87% | low |
| February Weather | 6°C (43°F) | 61 mm (2.4 inches) | 85% | moderate |
| March Weather | 7°C (45°F) | 59 mm (2.3 inches) | 83% | high |
| April Weather | 10°C (50°F) | 63 mm (2.5 inches) | 83% | very high |
| May Weather | 14°C (58°F) | 50 mm (2.0 inches) | 84% | very high |
| June Weather | 17°C (64°F) | 54 mm (2.1 inches) | 84% | extreme |
| July Weather | 21°C (69°F) | 19 mm (0.7 inches) | 86% | very high |
| August Weather | 20°C (69°F) | 18 mm (0.7 inches) | 78% | very high |
| September Weather | 17°C (63°F) | 39 mm (1.5 inches) | 77% | very high |
| October Weather | 13°C (55°F) | 55 mm (2.2 inches) | 82% | high |
| November Weather | 7°C (45°F) | 69 mm (2.7 inches) | 86% | moderate |
| December Weather | 5°C (42°F) | 88 mm (3.5 inches) | 87% | low |