Last updated: August 27, 2025
In December, the average temperature in Santa Maria de la Isla, Spain hovers around 6°C (43°F). Temperatures can dip to a chilly -4°C (25°F) at night and reach a mild 16°C (60°F) during the day. Expect approximately 66 mm (2.6 in) of precipitation over 10 days, accompanied by a high average humidity of 87%. Stay prepared for a cozy and potentially damp month!
In December in Santa Maria de la Isla, the average temperature is 6°C (43°F), with maximums reaching 16°C (60°F) and minimums dipping as low as -4°C (25°F). It's advisable to pack layers and a warm coat to comfortably enjoy your travels during this chilly season.
In Santa Maria de la Isla in December, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.
In Santa Maria de la Isla in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.
In Santa Maria de la Isla 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 Santa Maria de la Isla, you can visit Hourly UV Index in Santa Maria de la Isla.
UV Risk Categories
Weather in Santa Maria de la Isla varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Maria de la Isla, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 25 mm (1.0 inches) | 87% | low |
| February Weather | 7°C (44°F) | 54 mm (2.1 inches) | 85% | moderate |
| March Weather | 8°C (47°F) | 49 mm (1.9 inches) | 83% | high |
| April Weather | 11°C (51°F) | 69 mm (2.7 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 51 mm (2.0 inches) | 84% | very high |
| June Weather | 18°C (65°F) | 59 mm (2.3 inches) | 84% | extreme |
| July Weather | 22°C (71°F) | 21 mm (0.8 inches) | 86% | very high |
| August Weather | 21°C (71°F) | 21 mm (0.8 inches) | 78% | very high |
| September Weather | 18°C (64°F) | 44 mm (1.7 inches) | 77% | very high |
| October Weather | 13°C (56°F) | 50 mm (2.0 inches) | 82% | high |
| November Weather | 8°C (46°F) | 59 mm (2.3 inches) | 86% | moderate |
| December Weather | 6°C (43°F) | 66 mm (2.6 inches) | 87% | low |