Last updated: August 27, 2025
In Olmeda del Rey, Spain, the average temperature in December hovers around 6°C (43°F), with a minimum dipping as low as -5°C (23°F) and a pleasant maximum of 19°C (67°F). Expect 40 mm (1.6 in) of precipitation spread over about 6 days, contributing to an average humidity level of 80%. Stay prepared for a mix of chilly and mild weather!
In December in Olmeda del Rey, the average temperature is 6°C (43°F). Maximum temperatures can reach 19°C (67°F), while minimums can drop as low as -5°C (23°F). Pack accordingly to enjoy the mild days and be prepared for the chilly nights during your visit.
In Olmeda del Rey in December, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.
In Olmeda del Rey in December humidity is 80%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor exploration quite uncomfortable, often leaving travelers feeling clammy and cold despite the relatively mild temperature.
In Olmeda del Rey 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 Olmeda del Rey, you can check the information here.
UV Risk Categories
Weather in Olmeda del Rey varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Olmeda del Rey, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 31 mm (1.2 inches) | 78% | moderate |
| February Weather | 7°C (46°F) | 31 mm (1.2 inches) | 75% | moderate |
| March Weather | 9°C (48°F) | 72 mm (2.8 inches) | 64% | high |
| April Weather | 11°C (52°F) | 80 mm (3.2 inches) | 58% | very high |
| May Weather | 17°C (62°F) | 49 mm (1.9 inches) | 53% | very high |
| June Weather | 21°C (71°F) | 36 mm (1.4 inches) | 49% | extreme |
| July Weather | 25°C (78°F) | 17 mm (0.7 inches) | 51% | extreme |
| August Weather | 25°C (77°F) | 32 mm (1.3 inches) | 51% | very high |
| September Weather | 20°C (68°F) | 39 mm (1.6 inches) | 58% | very high |
| October Weather | 15°C (59°F) | 48 mm (1.9 inches) | 71% | high |
| November Weather | 9°C (48°F) | 66 mm (2.6 inches) | 76% | moderate |
| December Weather | 6°C (43°F) | 40 mm (1.6 inches) | 80% | moderate |