Last updated: August 27, 2025
In December, the average temperature in Castello de la Plana, Spain is a comfortable 12°C (54°F), with a range that can dip to a brisk 2°C (37°F) and soar to a pleasant 23°C (74°F). Be prepared for potential rain, as the area receives approximately 17 mm (0.7 in) of precipitation over about 3 days. You'll also experience a moderate average humidity level of 73%, making for a refreshing atmosphere.
In December in Castello de la Plana, the average temperature is 12°C (54°F). Maximums can reach 23°C (74°F) and minimums can be as low as 2°C (37°F). Travelers should pack for mild days and cool evenings while enjoying the diverse climate.
In Castello de la Plana in December, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.
In Castello de la Plana in December, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.
In Castello de la Plana 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 Castello de la Plana, you can visit Hourly UV Index in Castello de la Plana.
UV Risk Categories
Weather in Castello de la Plana varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castello de la Plana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (51°F) | 50 mm (2.0 inches) | 75% | moderate |
| February Weather | 12°C (53°F) | 17 mm (0.7 inches) | 73% | moderate |
| March Weather | 13°C (56°F) | 34 mm (1.4 inches) | 73% | high |
| April Weather | 15°C (59°F) | 50 mm (2.0 inches) | 74% | very high |
| May Weather | 19°C (66°F) | 34 mm (1.3 inches) | 73% | very high |
| June Weather | 22°C (73°F) | 33 mm (1.3 inches) | 75% | extreme |
| July Weather | 25°C (78°F) | 17 mm (0.7 inches) | 79% | very high |
| August Weather | 26°C (79°F) | 33 mm (1.3 inches) | 76% | very high |
| September Weather | 23°C (74°F) | 54 mm (2.1 inches) | 74% | very high |
| October Weather | 19°C (67°F) | 64 mm (2.5 inches) | 76% | high |
| November Weather | 15°C (59°F) | 56 mm (2.2 inches) | 74% | moderate |
| December Weather | 12°C (54°F) | 17 mm (0.7 inches) | 73% | low |