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December Weather in Avo, Portugal

Last updated: August 27, 2025

In December, the average temperature in Avo, Portugal hovers around 9°C (49°F), with lows dipping to -1°C (30°F) and highs reaching up to 18°C (65°F). Expect some rain, as precipitation totals around 137 mm (5.4 in) over approximately 13 days. Add to that a high humidity level of 87%, making for a crisp yet damp atmosphere.

December Temperature in Avo

In December in Avo, the average temperature is 9°C (49°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -1°C (30°F). It's a season that calls for layered clothing, so be prepared for both mild and chilly conditions while exploring the area.

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

The chart illustrates December temperature patterns in Avo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avo, December typically has an average temperature of 9°C (49°F), with highs reaching up to 18°C (65°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec454951556164707067605248
Data source: Temperature data for Avo 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 Avo

In Avo in December, the total precipitation amount reaches 137 mm (5.4 in) over the course of 13 days.

December Precipitation Trends in Avo

The chart displays monthly precipitation patterns in Avo, 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 Avo, December typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec68103134137623813144296143137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Avo

In Avo in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

December Average Humidity in Avo

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

In Avo 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 Avo, you can check the information here.

Maximum UV Index Levels in Avo for December

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

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

This table compares monthly weather conditions in Avo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)68 mm (2.7 inches)87%moderate
February Weather10°C (50°F)103 mm (4.1 inches)81%moderate
March Weather11°C (52°F)134 mm (5.3 inches)78%high
April Weather13°C (55°F)137 mm (5.4 inches)79%very high
May Weather16°C (61°F)62 mm (2.4 inches)78%very high
June Weather18°C (65°F)38 mm (1.5 inches)71%extreme
July Weather21°C (70°F)13 mm (0.5 inches)63%very high
August Weather21°C (70°F)14 mm (0.6 inches)64%very high
September Weather20°C (68°F)42 mm (1.7 inches)71%very high
October Weather16°C (61°F)96 mm (3.8 inches)79%high
November Weather11°C (52°F)143 mm (5.6 inches)86%moderate
December Weather9°C (49°F)137 mm (5.4 inches)87%moderate

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