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December Weather in Barco, Portugal

Last updated: August 27, 2025

In Barco, Portugal, the average temperature in December hovers around 8°C (46°F), making it a cool time of year. Expect a minimum chill of -2°C (29°F) and occasional highs reaching 17°C (63°F). With 120 mm (4.7 in) of precipitation spread over 12 days, it’s wise to pack an umbrella. The average humidity sits at a notable 87%, contributing to a damp atmosphere.

December Temperature in Barco

In December in Barco, the average temperature is 8°C (46°F). Maximums can reach 17°C (63°F), while minimums can drop as low as -2°C (29°F). Travelers should be prepared for a mix of mild and chilly weather, making versatile clothing a necessity.

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

The chart illustrates December temperature patterns in Barco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barco, December typically has an average temperature of 8°C (46°F), with highs reaching up to 17°C (63°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec434749536166727267594946
Data source: Temperature data for Barco 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 Barco

In Barco in December, the precipitation amount is 120 mm (4.7 in) over a period of 12 days.

December Precipitation Trends in Barco

The chart displays monthly precipitation patterns in Barco, 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 Barco, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5793124121593713164891133120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barco

In Barco in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

December Average Humidity in Barco

This chart illustrates the average monthly humidity levels in Barco, 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 Barco is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barco

In Barco 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 Barco, you can check the information here.

Maximum UV Index Levels in Barco for December

The chart shows the monthly maximum UV Index (UVI) for Barco 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 Barco typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098643
Data source: Barco 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 Barco Compares to Other Months

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

This table compares monthly weather conditions in Barco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)57 mm (2.2 inches)87%moderate
February Weather8°C (47°F)93 mm (3.6 inches)81%moderate
March Weather10°C (49°F)124 mm (4.9 inches)78%high
April Weather12°C (54°F)121 mm (4.8 inches)79%very high
May Weather16°C (61°F)59 mm (2.3 inches)78%very high
June Weather19°C (66°F)37 mm (1.4 inches)71%extreme
July Weather22°C (72°F)13 mm (0.5 inches)63%very high
August Weather22°C (72°F)16 mm (0.6 inches)64%very high
September Weather19°C (67°F)48 mm (1.9 inches)71%very high
October Weather15°C (60°F)91 mm (3.6 inches)79%high
November Weather10°C (49°F)133 mm (5.2 inches)86%moderate
December Weather8°C (46°F)120 mm (4.7 inches)87%moderate

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