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December Weather in Sendim, Portugal

Last updated: August 27, 2025

In December, the average temperature in Sendim, Portugal hovers around 7°C (44°F). Expect minimum temperatures to dip as low as -4°C (26°F), while the maximum can reach a pleasant 15°C (59°F). Prepare for 84 mm (3.3 in) of precipitation over 10 days, contributing to a notably high average humidity of 91%.

December Temperature in Sendim

In December in Sendim, the average temperature is 7°C (44°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -4°C (26°F). Travelers should be prepared for a range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Sendim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sendim, December typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414648536166727266584844
Data source: Temperature data for Sendim 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 Sendim

In Sendim in December, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

December Precipitation Trends in Sendim

The chart displays monthly precipitation patterns in Sendim, 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 Sendim, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec336673794146131534588084
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sendim

In Sendim in December humidity is 91%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor travel uncomfortable and a bit dreary, as the air hangs heavy and cold around you.

December Average Humidity in Sendim

This chart illustrates the average monthly humidity levels in Sendim, 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 Sendim is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%79%77%76%64%54%52%63%78%90%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sendim

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

Maximum UV Index Levels in Sendim for December

The chart shows the monthly maximum UV Index (UVI) for Sendim 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 Sendim typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098642
Data source: Sendim 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 Sendim Compares to Other Months

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

This table compares monthly weather conditions in Sendim, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)33 mm (1.3 inches)91%moderate
February Weather8°C (46°F)66 mm (2.6 inches)85%moderate
March Weather9°C (49°F)73 mm (2.9 inches)79%high
April Weather12°C (53°F)79 mm (3.1 inches)77%very high
May Weather16°C (61°F)41 mm (1.6 inches)76%very high
June Weather19°C (67°F)45 mm (1.8 inches)64%extreme
July Weather22°C (72°F)13 mm (0.5 inches)54%very high
August Weather22°C (72°F)15 mm (0.6 inches)52%very high
September Weather19°C (66°F)34 mm (1.4 inches)63%very high
October Weather14°C (58°F)58 mm (2.3 inches)78%high
November Weather9°C (48°F)80 mm (3.1 inches)90%moderate
December Weather7°C (44°F)84 mm (3.3 inches)91%low

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