Last updated: August 27, 2025
In December, the average temperature in Ribeira de Pena, Portugal hovers around 7°C (45°F), with minimums reaching as low as -3°C (27°F) and maximums climbing to 16°C (61°F). Expect about 178 mm (7.0 in) of precipitation spread over 15 days, contributing to the region's high average humidity of 87%. Prepare for a dynamically cozy month!
In December in Ribeira de Pena, the average temperature is 7°C (45°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -3°C (27°F). Be prepared for a mix of cool and chilly weather, ideal for layering and enjoying outdoor activities.
In Ribeira de Pena in December, the precipitation amount is 178 mm (7.0 in) over a span of 15 days.
In Ribeira de Pena in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Ribeira de Pena 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 Ribeira de Pena, you can visit Hourly UV Index in Ribeira de Pena.
UV Risk Categories
Weather in Ribeira de Pena varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ribeira de Pena, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (42°F) | 80 mm (3.2 inches) | 87% | low |
February Weather | 8°C (46°F) | 132 mm (5.2 inches) | 81% | moderate |
March Weather | 9°C (48°F) | 136 mm (5.3 inches) | 78% | high |
April Weather | 11°C (52°F) | 120 mm (4.7 inches) | 79% | very high |
May Weather | 15°C (59°F) | 66 mm (2.6 inches) | 78% | very high |
June Weather | 17°C (63°F) | 51 mm (2.0 inches) | 71% | extreme |
July Weather | 20°C (68°F) | 24 mm (1.0 inches) | 63% | very high |
August Weather | 20°C (68°F) | 20 mm (0.8 inches) | 64% | very high |
September Weather | 18°C (64°F) | 39 mm (1.5 inches) | 71% | very high |
October Weather | 14°C (57°F) | 102 mm (4.0 inches) | 79% | high |
November Weather | 9°C (48°F) | 134 mm (5.3 inches) | 86% | moderate |
December Weather | 7°C (45°F) | 178 mm (7.0 inches) | 87% | low |