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December Weather in Balazar, Portugal

Last updated: August 27, 2025

In December, the average temperature in Balazar, Portugal hovers around 10°C (51°F). Expect chilly nights with minimums dipping to -1°C (31°F), while daytime highs can reach up to 19°C (66°F). Rain is frequent, with an average precipitation of 218 mm (8.6 in) spread across 17 days. Additionally, brace yourself for a high humidity level of 87%, making it a moist month overall.

December Temperature in Balazar

In December in Balazar, the average temperature is 10°C (51°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a mix of mild days and chilly nights during your travels.

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

The chart illustrates December temperature patterns in Balazar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Balazar, December typically has an average temperature of 10°C (51°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec475153576265707067615351
Data source: Temperature data for Balazar 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 Balazar

In Balazar in December, the total precipitation amount is 218 mm (8.6 in) over the course of 17 days.

December Precipitation Trends in Balazar

The chart displays monthly precipitation patterns in Balazar, 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 Balazar, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1161691711629554252444143189218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Balazar

In Balazar in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Balazar

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

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

Maximum UV Index Levels in Balazar for December

The chart shows the monthly maximum UV Index (UVI) for Balazar 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 Balazar typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Balazar 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 Balazar Compares to Other Months

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

This table compares monthly weather conditions in Balazar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)116 mm (4.5 inches)87%low
February Weather11°C (51°F)169 mm (6.7 inches)81%moderate
March Weather12°C (53°F)171 mm (6.7 inches)78%high
April Weather14°C (57°F)162 mm (6.4 inches)79%very high
May Weather17°C (62°F)95 mm (3.8 inches)78%very high
June Weather18°C (65°F)54 mm (2.1 inches)71%extreme
July Weather21°C (70°F)24 mm (1.0 inches)63%very high
August Weather21°C (70°F)24 mm (1.0 inches)64%very high
September Weather20°C (68°F)44 mm (1.7 inches)71%very high
October Weather16°C (61°F)143 mm (5.6 inches)79%high
November Weather12°C (54°F)189 mm (7.4 inches)86%moderate
December Weather10°C (51°F)218 mm (8.6 inches)87%low

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