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December Weather in San Lorenzo, Peru

Last updated: August 27, 2025

In San Lorenzo, Peru, the average temperature in December is a warm 26°C (79°F). Temperatures can dip as low as 20°C (68°F) and soar to a sizzling 35°C (95°F). Expect significant rainfall, with 290 mm (11.4 in) of precipitation spread over 24 days. The average humidity hovers around a moist 88%, making for a tropical climate that's both lush and vibrant.

December Temperature in San Lorenzo

In December in San Lorenzo, the average temperature is 26°C (79°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 20°C (68°F). This makes it a pleasant time for travelers seeking warm weather and outdoor activities.

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 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878777674757881807978
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 precipitation amount is 290 mm (11.4 in) over a span of 24 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 290 mm (11.4 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec2452712491849838252682170229290
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 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%89%84%67%46%37%33%44%73%88%
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 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 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151615141210101113151615
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 Weather26°C (78°F)245 mm (9.6 inches)88%extreme
February Weather25°C (78°F)271 mm (10.7 inches)87%extreme
March Weather25°C (78°F)249 mm (9.8 inches)87%extreme
April Weather25°C (78°F)183 mm (7.2 inches)89%extreme
May Weather24°C (76°F)98 mm (3.9 inches)84%extreme
June Weather24°C (75°F)38 mm (1.5 inches)67%very high
July Weather24°C (75°F)25 mm (1.0 inches)46%very high
August Weather25°C (78°F)26 mm (1.0 inches)37%extreme
September Weather27°C (81°F)82 mm (3.2 inches)33%extreme
October Weather27°C (80°F)170 mm (6.7 inches)44%extreme
November Weather26°C (79°F)229 mm (9.0 inches)73%extreme
December Weather26°C (79°F)290 mm (11.4 inches)88%extreme

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