Last updated: August 27, 2025
In December, the average temperature in Porto Judeu, Portugal hovers around 17°C (63°F), offering a pleasant climate. Expect minimum temperatures as low as 12°C (53°F) and highs reaching up to 20°C (68°F). With an average humidity of 85%, the air can feel quite moist. However, be prepared for some rain, as 122 mm (4.8 in) of precipitation is expected over the course of 13 days.
In December in Porto Judeu, the average temperature is 17°C (63°F). The maximum can reach 20°C (68°F), while the minimum can drop to as low as 12°C (53°F). It's a comfortable time to explore, so pack light layers for your travels!
In Porto Judeu in December, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.
In Porto Judeu in December humidity is 85%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit stifling and encouraging frequent breaks in shaded areas or air-conditioned spaces for travelers.
In Porto Judeu 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 Porto Judeu, you can check the information here.
UV Risk Categories
Weather in Porto Judeu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Porto Judeu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 78 mm (3.1 inches) | 84% | moderate |
| February Weather | 15°C (59°F) | 78 mm (3.1 inches) | 83% | moderate |
| March Weather | 15°C (59°F) | 49 mm (1.9 inches) | 84% | high |
| April Weather | 15°C (60°F) | 77 mm (3.0 inches) | 84% | very high |
| May Weather | 16°C (62°F) | 51 mm (2.0 inches) | 83% | very high |
| June Weather | 18°C (66°F) | 39 mm (1.5 inches) | 84% | extreme |
| July Weather | 21°C (70°F) | 20 mm (0.8 inches) | 86% | very high |
| August Weather | 22°C (72°F) | 45 mm (1.8 inches) | 82% | very high |
| September Weather | 22°C (71°F) | 45 mm (1.8 inches) | 82% | very high |
| October Weather | 20°C (69°F) | 83 mm (3.3 inches) | 79% | high |
| November Weather | 18°C (65°F) | 106 mm (4.2 inches) | 80% | moderate |
| December Weather | 17°C (63°F) | 122 mm (4.8 inches) | 85% | moderate |