Last updated: August 27, 2025
The average temperature in Santo Antonio da Charneca, Portugal during December is a mild 12°C (54°F). Expect temperatures to range from a chilly minimum of 2°C (36°F) to a pleasant maximum of 20°C (68°F). Rain lovers will note a precipitation amount of 55 mm (2.2 in) spread over about 7 days, while the air hums with an average humidity of 85%.
In December in Santo Antonio da Charneca, the average temperature is 12°C (54°F). The maximum can reach 20°C (68°F), and the minimum can be as low as 2°C (36°F). This moderate climate makes Santo Antonio da Charneca a pleasant destination for travelers seeking comfortable weather for outdoor activities.
In Santo Antonio da Charneca in December, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.
In Santo Antonio da Charneca in December, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.
In Santo Antonio da Charneca 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 Santo Antonio da Charneca, you can check the information here.
UV Risk Categories
Weather in Santo Antonio da Charneca varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santo Antonio da Charneca, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (51°F) | 33 mm (1.3 inches) | 85% | moderate |
| February Weather | 12°C (55°F) | 50 mm (2.0 inches) | 75% | moderate |
| March Weather | 14°C (57°F) | 68 mm (2.7 inches) | 72% | high |
| April Weather | 15°C (59°F) | 72 mm (2.8 inches) | 70% | very high |
| May Weather | 18°C (65°F) | 38 mm (1.5 inches) | 70% | very high |
| June Weather | 20°C (68°F) | 10 mm (0.4 inches) | 63% | extreme |
| July Weather | 22°C (71°F) | 5 mm (0.2 inches) | 60% | very high |
| August Weather | 22°C (72°F) | 3 mm (0.1 inches) | 60% | very high |
| September Weather | 21°C (71°F) | 24 mm (0.9 inches) | 67% | very high |
| October Weather | 19°C (66°F) | 42 mm (1.7 inches) | 74% | high |
| November Weather | 14°C (58°F) | 74 mm (2.9 inches) | 83% | moderate |
| December Weather | 12°C (54°F) | 55 mm (2.2 inches) | 85% | moderate |