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December Weather in Boaventura, Portugal

Last updated: August 27, 2025

In December, the average temperature in Boaventura, Portugal is a comfortable 16°C (61°F), with morning chills dipping as low as 10°C (51°F) and afternoons pleasantly warming up to 21°C (70°F). Expect about 58 mm (2.3 in) of precipitation spread over 11 days, contributing to an average humidity level of 75%. Perfect for those who enjoy a mild climate with a touch of rain!

December Temperature in Boaventura

In December in Boaventura, the average temperature is 16°C (61°F). Maximums can reach 21°C (70°F), while minimums can drop as low as 10°C (51°F). It’s a pleasant time to visit, ideal for outdoor activities and exploring the local attractions without the extremes of summer heat.

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

The chart illustrates December temperature patterns in Boaventura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boaventura, December typically has an average temperature of 16°C (61°F), with highs reaching up to 21°C (70°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec585858596265687169676360
Data source: Temperature data for Boaventura 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 Boaventura

In Boaventura in December, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

December Precipitation Trends in Boaventura

The chart displays monthly precipitation patterns in Boaventura, 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 Boaventura, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3860525623368818576758
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Boaventura

In Boaventura in December humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

December Average Humidity in Boaventura

This chart illustrates the average monthly humidity levels in Boaventura, 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 Boaventura is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%78%78%77%80%83%83%81%80%75%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Boaventura

In Boaventura in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Boaventura for better planning.

Maximum UV Index Levels in Boaventura for December

The chart shows the monthly maximum UV Index (UVI) for Boaventura 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 Boaventura typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110864
Data source: Boaventura 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 Boaventura Compares to Other Months

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

This table compares monthly weather conditions in Boaventura, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)38 mm (1.5 inches)75%moderate
February Weather14°C (58°F)60 mm (2.4 inches)75%high
March Weather14°C (58°F)52 mm (2.1 inches)78%very high
April Weather15°C (60°F)56 mm (2.2 inches)78%very high
May Weather17°C (62°F)23 mm (0.9 inches)77%extreme
June Weather18°C (65°F)36 mm (1.4 inches)80%extreme
July Weather20°C (68°F)7 mm (0.3 inches)83%extreme
August Weather21°C (71°F)8 mm (0.3 inches)83%extreme
September Weather21°C (70°F)18 mm (0.7 inches)81%very high
October Weather20°C (67°F)57 mm (2.3 inches)80%very high
November Weather17°C (63°F)67 mm (2.6 inches)75%high
December Weather16°C (61°F)58 mm (2.3 inches)75%moderate

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