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December Weather in Santa Lucia, Peru

Last updated: August 27, 2025

In December, the average temperature in Santa Lucia, Peru reaches a comfortable 22°C (71°F), with a minimum of 16°C (61°F) and a maximum of 30°C (87°F). However, prepare for rain, as the region experiences an average precipitation of 276 mm (10.9 in) spread over 30 days, and don't forget the high average humidity of 91%, making it feel quite tropical!

December Temperature in Santa Lucia

In December in Santa Lucia, the average temperature is 22°C (71°F). The maximum can reach 30°C (87°F), while the minimum can be as low as 16°C (61°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

December Weather in Santa Lucia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Lucia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia, December typically has an average temperature of 22°C (71°F), with highs reaching up to 30°C (87°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec707170707070697071717271
Data source: Temperature data for Santa Lucia 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 Santa Lucia

In Santa Lucia, in December, the precipitation amount is 276 mm (10.9 in) over a span of 30 days.

December Precipitation Trends in Santa Lucia

The chart displays monthly precipitation patterns in Santa Lucia, 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 Santa Lucia, December typically receives around 276 mm (10.9 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec28929033827015413181104162276269276
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Lucia

In Santa Lucia in December, humidity is 91%. With an average temperature of 22°C (71°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting and sticky.

December Average Humidity in Santa Lucia

This chart illustrates the average monthly humidity levels in Santa Lucia, 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 Santa Lucia is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%89%89%86%71%44%34%37%50%73%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Lucia

In Santa Lucia in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Lucia.

Maximum UV Index Levels in Santa Lucia for December

The chart shows the monthly maximum UV Index (UVI) for Santa Lucia 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 Santa Lucia typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616171311121314151615
Data source: Santa Lucia 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 Santa Lucia Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)289 mm (11.4 inches)88%extreme
February Weather22°C (71°F)290 mm (11.4 inches)86%extreme
March Weather21°C (71°F)338 mm (13.3 inches)89%extreme
April Weather21°C (71°F)270 mm (10.6 inches)89%extreme
May Weather21°C (70°F)154 mm (6.1 inches)86%extreme
June Weather21°C (70°F)131 mm (5.1 inches)71%extreme
July Weather21°C (69°F)81 mm (3.2 inches)44%extreme
August Weather21°C (70°F)104 mm (4.1 inches)34%extreme
September Weather22°C (71°F)162 mm (6.4 inches)37%extreme
October Weather22°C (72°F)276 mm (10.8 inches)50%extreme
November Weather22°C (72°F)269 mm (10.6 inches)73%extreme
December Weather22°C (71°F)276 mm (10.9 inches)91%extreme

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