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December Weather in Lajes, Portugal

Last updated: August 27, 2025

In December, the average temperature in Lajes, Portugal hovers around 17°C (62°F), with a minimum of 12°C (54°F) and a maximum reaching 19°C (67°F). Expect around 118 mm (4.6 in) of precipitation over approximately 15 days, contributing to an average humidity of 85%. Make sure to pack accordingly for this moist climate!

December Temperature in Lajes

In December in Lajes, the average temperature is 17°C (62°F). Maximum temperatures can reach 19°C (67°F), while the minimum can drop as low as 12°C (54°F). This mild climate makes Lajes an ideal destination for travelers seeking pleasant weather during this time of year.

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

The chart illustrates December temperature patterns in Lajes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lajes, December typically has an average temperature of 17°C (62°F), with highs reaching up to 19°C (67°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec605959596165697271686462
Data source: Temperature data for Lajes 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 Lajes

In Lajes in December, the precipitation amount is 118 mm (4.6 in) over the course of 15 days.

December Precipitation Trends in Lajes

The chart displays monthly precipitation patterns in Lajes, 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 Lajes, December typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec92795674594124535279137118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lajes

In Lajes in December humidity is 85%. With an average temperature of 17°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making travel somewhat uncomfortable as you navigate the thick, moist air that clings to your skin and slows your pace.

December Average Humidity in Lajes

This chart illustrates the average monthly humidity levels in Lajes, 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 Lajes is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%85%85%83%85%86%83%83%79%80%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lajes

In Lajes 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 Lajes, you can check the information here.

Maximum UV Index Levels in Lajes for December

The chart shows the monthly maximum UV Index (UVI) for Lajes 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 Lajes typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Lajes 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 Lajes Compares to Other Months

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

This table compares monthly weather conditions in Lajes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)92 mm (3.6 inches)84%moderate
February Weather15°C (59°F)79 mm (3.1 inches)83%moderate
March Weather15°C (59°F)56 mm (2.2 inches)85%high
April Weather15°C (59°F)74 mm (2.9 inches)85%very high
May Weather16°C (62°F)59 mm (2.3 inches)83%very high
June Weather18°C (65°F)41 mm (1.6 inches)85%extreme
July Weather21°C (69°F)24 mm (1.0 inches)86%very high
August Weather22°C (72°F)53 mm (2.1 inches)83%very high
September Weather22°C (71°F)52 mm (2.1 inches)83%very high
October Weather20°C (68°F)79 mm (3.1 inches)79%high
November Weather18°C (64°F)137 mm (5.4 inches)80%moderate
December Weather17°C (62°F)118 mm (4.6 inches)85%moderate

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