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December Weather in Oliveirinha, Portugal

Last updated: August 27, 2025

In Oliveirinha, Portugal, the average temperature in December hovers around 11°C (52°F). Expect a minimum dip to -1°C (30°F) and a pleasant maximum of 19°C (67°F). During this month, be prepared for 135 mm (5.3 in) of precipitation spread over 14 days, coupled with an average humidity of 87%. Embrace the varied climate!

December Temperature in Oliveirinha

In December in Oliveirinha, the average temperature is 11°C (52°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -1°C (30°F). This temperature range makes it essential for travelers to pack layers and prepare for varying weather conditions.

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

The chart illustrates December temperature patterns in Oliveirinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oliveirinha, December typically has an average temperature of 11°C (52°F), with highs reaching up to 19°C (67°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec485254586366707069635552
Data source: Temperature data for Oliveirinha 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 Oliveirinha

In Oliveirinha in December, the precipitation amount is 135 mm (5.3 in) over a period of 14 days.

December Precipitation Trends in Oliveirinha

The chart displays monthly precipitation patterns in Oliveirinha, 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 Oliveirinha, December typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec70101121121603511123794133135
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oliveirinha

In Oliveirinha in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

December Average Humidity in Oliveirinha

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

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

Maximum UV Index Levels in Oliveirinha for December

The chart shows the monthly maximum UV Index (UVI) for Oliveirinha 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 Oliveirinha typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111098642
Data source: Oliveirinha 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 Oliveirinha Compares to Other Months

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

This table compares monthly weather conditions in Oliveirinha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)70 mm (2.7 inches)87%moderate
February Weather11°C (53°F)101 mm (4.0 inches)81%moderate
March Weather12°C (55°F)121 mm (4.8 inches)78%high
April Weather14°C (58°F)121 mm (4.8 inches)79%very high
May Weather17°C (64°F)60 mm (2.4 inches)78%very high
June Weather19°C (66°F)35 mm (1.4 inches)71%extreme
July Weather21°C (70°F)11 mm (0.4 inches)63%very high
August Weather21°C (70°F)12 mm (0.5 inches)64%very high
September Weather20°C (69°F)37 mm (1.4 inches)71%very high
October Weather17°C (63°F)94 mm (3.7 inches)79%high
November Weather13°C (55°F)133 mm (5.3 inches)86%moderate
December Weather11°C (52°F)135 mm (5.3 inches)87%low

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