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December Weather in San Lorenzo, Peru

Last updated: August 27, 2025

In December, the average temperature in San Lorenzo, Peru hovers around 7°C (45°F). Expect chilly conditions, with minimum temperatures dipping to -1°C (30°F) and highs reaching 16°C (61°F). Be prepared for wet weather, as 201 mm (7.9 in) of precipitation is spread over 29 days, contributing to an average humidity of 90%.

December Temperature in San Lorenzo

In December in San Lorenzo, the average temperature is 7°C (45°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -1°C (30°F). It's advisable to pack layers and prepare for varying weather conditions when traveling during this time.

December Weather in San Lorenzo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Lorenzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lorenzo, December typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (61°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec444544434241404142434545
Data source: Temperature data for San Lorenzo 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 San Lorenzo

In San Lorenzo in December, the total precipitation amount is 201 mm (7.9 in) spread over a period of 29 days.

December Precipitation Trends in San Lorenzo

The chart displays monthly precipitation patterns in San Lorenzo, 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 San Lorenzo, December typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec2032402561268940335097142169201
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Lorenzo

In San Lorenzo in December humidity is 90%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek shelter indoors or in cozy cafes.

December Average Humidity in San Lorenzo

This chart illustrates the average monthly humidity levels in San Lorenzo, 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 San Lorenzo is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Lorenzo

In San Lorenzo in December, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in San Lorenzo.

Maximum UV Index Levels in San Lorenzo for December

The chart shows the monthly maximum UV Index (UVI) for San Lorenzo 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 San Lorenzo typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181512131517181818
Data source: San Lorenzo 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 San Lorenzo Compares to Other Months

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

This table compares monthly weather conditions in San Lorenzo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)203 mm (8.0 inches)91%extreme
February Weather7°C (45°F)240 mm (9.4 inches)90%extreme
March Weather7°C (44°F)255 mm (10.1 inches)91%extreme
April Weather6°C (44°F)126 mm (5.0 inches)89%extreme
May Weather6°C (43°F)89 mm (3.5 inches)85%extreme
June Weather5°C (41°F)40 mm (1.6 inches)65%extreme
July Weather4°C (40°F)33 mm (1.3 inches)47%extreme
August Weather5°C (41°F)50 mm (2.0 inches)38%extreme
September Weather5°C (42°F)97 mm (3.8 inches)40%extreme
October Weather6°C (44°F)142 mm (5.6 inches)56%extreme
November Weather7°C (45°F)169 mm (6.6 inches)76%extreme
December Weather7°C (45°F)201 mm (7.9 inches)90%extreme

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