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December Weather in Redondo, Portugal

Last updated: August 27, 2025

In December, the average temperature in Redondo, Portugal is a cool 11°C (51°F). Expect your days to range from a brisk -1°C (31°F) at the lowest to a comfortable 20°C (68°F) at the highest. During this time, precipitation averages 55 mm (2.2 in) over about 8 days, accompanied by a notable 85% average humidity. Prepare accordingly to make the most of your visit!

December Temperature in Redondo

In December in Redondo, the average temperature is 11°C (51°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -1°C (31°F). Visitors should be prepared for a range of temperatures and pack accordingly for a comfortable travel experience.

December Weather in Redondo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Redondo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redondo, December typically has an average temperature of 11°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec475255596771777874665551
Data source: Temperature data for Redondo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Redondo

In Redondo in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.

December Precipitation Trends in Redondo

The chart displays monthly precipitation patterns in Redondo, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Redondo, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3043787331103324416155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Redondo

In Redondo in December humidity is 85%. With an average temperature of 11°C (51°F), this humidity feels like a chilly embrace that seeps into your bones, making outdoor activities a bit uncomfortable and encouraging a more relaxed, slow-paced exploration of the area.

December Average Humidity in Redondo

This chart illustrates the average monthly humidity levels in Redondo, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Redondo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Redondo

In Redondo 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 Redondo, you can check the information here.

Maximum UV Index Levels in Redondo for December

The chart shows the monthly maximum UV Index (UVI) for Redondo in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Redondo typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109643
Data source: Redondo December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Redondo Compares to Other Months

Weather in Redondo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Redondo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Redondo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)30 mm (1.2 inches)85%moderate
February Weather11°C (53°F)43 mm (1.7 inches)75%moderate
March Weather13°C (55°F)78 mm (3.1 inches)72%high
April Weather15°C (59°F)73 mm (2.9 inches)70%very high
May Weather19°C (67°F)31 mm (1.2 inches)70%very high
June Weather22°C (71°F)10 mm (0.4 inches)63%extreme
July Weather25°C (77°F)3 mm (0.1 inches)60%very high
August Weather25°C (78°F)3 mm (0.1 inches)60%very high
September Weather23°C (74°F)24 mm (1.0 inches)67%very high
October Weather19°C (66°F)41 mm (1.6 inches)74%high
November Weather13°C (56°F)61 mm (2.4 inches)83%moderate
December Weather11°C (51°F)55 mm (2.2 inches)85%moderate

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