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December Weather in Ota, Portugal

Last updated: August 27, 2025

In December, the average temperature in Ota, Portugal hovers around 12°C (54°F). Expect a chill with lows dipping to 1°C (34°F), while daytime highs can reach up to 20°C (68°F). Be prepared for some drizzle, as the region sees about 60 mm (2.4 in) of precipitation over approximately 8 days. With an average humidity of 85%, it’s a perfect time to cozy up indoors or enjoy a brisk stroll!

December Temperature in Ota

In December in Ota, the average temperature is 12°C (54°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 1°C (34°F). Travelers should be prepared for a mix of mild days and cooler nights during this time.

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

The chart illustrates December temperature patterns in Ota, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ota, December typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec505456596467707170655753
Data source: Temperature data for Ota 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 Ota

In Ota in December, the total precipitation amount is 60 mm (2.4 in) spread over the course of 8 days.

December Precipitation Trends in Ota

The chart displays monthly precipitation patterns in Ota, 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 Ota, December typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3752738442125429478460
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ota

In Ota in December, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.

December Average Humidity in Ota

This chart illustrates the average monthly humidity levels in Ota, 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 Ota is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ota

In Ota 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 Ota, you can check the information here.

Maximum UV Index Levels in Ota for December

The chart shows the monthly maximum UV Index (UVI) for Ota 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 Ota typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Ota 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 Ota Compares to Other Months

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

This table compares monthly weather conditions in Ota, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)37 mm (1.4 inches)85%moderate
February Weather12°C (54°F)52 mm (2.1 inches)75%moderate
March Weather13°C (56°F)73 mm (2.9 inches)72%high
April Weather15°C (59°F)83 mm (3.3 inches)70%very high
May Weather18°C (65°F)42 mm (1.6 inches)70%very high
June Weather19°C (67°F)12 mm (0.5 inches)63%extreme
July Weather21°C (71°F)5 mm (0.2 inches)60%very high
August Weather22°C (72°F)4 mm (0.2 inches)60%very high
September Weather21°C (70°F)29 mm (1.1 inches)67%very high
October Weather18°C (65°F)47 mm (1.9 inches)74%high
November Weather14°C (57°F)84 mm (3.3 inches)83%moderate
December Weather12°C (54°F)60 mm (2.4 inches)85%moderate

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