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December Weather in Arcozelo, Portugal

Last updated: August 27, 2025

In December, the average temperature in Arcozelo, Portugal hovers around 12°C (55°F), with a minimum of 4°C (40°F) and a maximum reaching 18°C (65°F). Expect a fair amount of rain, with 158 mm (6.2 in) of precipitation spread over approximately 14 days. Be prepared for a humid atmosphere as well, with average humidity levels at a notable 87%.

December Temperature in Arcozelo

In December in Arcozelo, the average temperature is 12°C (55°F). Maximum temperatures can reach 18°C (65°F), while the minimum can drop to as low as 4°C (40°F). Visitors should pack layers to stay comfortable during their travels, as temperatures can vary throughout the day.

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

The chart illustrates December temperature patterns in Arcozelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcozelo, December typically has an average temperature of 12°C (55°F), with highs reaching up to 18°C (65°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec525455586365686867635754
Data source: Temperature data for Arcozelo 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 Arcozelo

In Arcozelo in December, the total precipitation amount is 158 mm (6.2 in) over a span of 14 days.

December Precipitation Trends in Arcozelo

The chart displays monthly precipitation patterns in Arcozelo, 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 Arcozelo, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec781131161246935161532108140158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arcozelo

In Arcozelo in December humidity is 87%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers for comfort while traveling.

December Average Humidity in Arcozelo

This chart illustrates the average monthly humidity levels in Arcozelo, 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 Arcozelo 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 Arcozelo

In Arcozelo 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 Arcozelo, you can visit Hourly UV Index in Arcozelo.

Maximum UV Index Levels in Arcozelo for December

The chart shows the monthly maximum UV Index (UVI) for Arcozelo 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 Arcozelo typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910998642
Data source: Arcozelo 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 Arcozelo Compares to Other Months

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

This table compares monthly weather conditions in Arcozelo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)78 mm (3.1 inches)87%low
February Weather12°C (54°F)113 mm (4.4 inches)81%moderate
March Weather13°C (56°F)116 mm (4.6 inches)78%high
April Weather14°C (58°F)124 mm (4.9 inches)79%very high
May Weather17°C (63°F)69 mm (2.7 inches)78%very high
June Weather18°C (65°F)35 mm (1.4 inches)71%very high
July Weather20°C (68°F)16 mm (0.6 inches)63%very high
August Weather20°C (68°F)14 mm (0.6 inches)64%very high
September Weather20°C (68°F)31 mm (1.2 inches)71%very high
October Weather17°C (63°F)108 mm (4.2 inches)79%high
November Weather14°C (57°F)140 mm (5.5 inches)86%moderate
December Weather12°C (55°F)158 mm (6.2 inches)87%low

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