Last updated: June 24, 2025
In December, the average temperature in Madeira, United States hovers around 4°C (39°F). The climate can be quite variable, with minimums dropping to -16°C (3°F) and soaring to a maximum of 19°C (67°F). Expect 115 mm (4.5 in) of precipitation spread over 11 days, contributing to an average humidity level of a notably high 87%.
In December in Madeira, the average temperature is 4°C (39°F). The maximum can reach 19°C (67°F), and the minimum can be as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures, making layering essential for outdoor activities.
In Madeira in December, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.
In Madeira in December, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.
In Madeira 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 Madeira, you can check the information here.
UV Risk Categories
Weather in Madeira varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Madeira, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 82 mm (3.2 inches) | 88% | moderate |
| February Weather | 3°C (37°F) | 111 mm (4.4 inches) | 88% | moderate |
| March Weather | 7°C (45°F) | 141 mm (5.5 inches) | 87% | high |
| April Weather | 12°C (54°F) | 124 mm (4.9 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 131 mm (5.1 inches) | 81% | very high |
| June Weather | 23°C (74°F) | 132 mm (5.2 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 112 mm (4.4 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 85 mm (3.3 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 84 mm (3.3 inches) | 73% | very high |
| October Weather | 15°C (59°F) | 97 mm (3.8 inches) | 78% | high |
| November Weather | 6°C (44°F) | 101 mm (4.0 inches) | 89% | moderate |
| December Weather | 4°C (39°F) | 115 mm (4.5 inches) | 87% | moderate |