December Weather in Chalan, Peru

Last updated: August 27, 2025

In Chalan, Peru, the average temperature in December hovers around 13°C (56°F). Expect a minimum of 7°C (44°F) and a maximum of 22°C (72°F), providing a pleasant range for outdoor activities. However, be prepared for significant rain, with 195 mm (7.7 in) of precipitation spread over 28 days. With an average humidity of 82%, it’s advisable to plan accordingly for a potentially damp yet mild experience!

December Temperature in Chalan

In December in Chalan, the average temperature is 13°C (56°F). Maximums can reach 22°C (72°F), while minimums can drop as low as 7°C (44°F). It's a great time for travelers to enjoy mild weather, making it perfect for outdoor activities and sightseeing.

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

The chart illustrates December temperature patterns in Chalan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalan, December typically has an average temperature of 13°C (56°F), with highs reaching up to 22°C (72°F) and lows dropping to around 7°C (44°F).

Data source: Temperature data for Chalan generated using information from the Copernicus Climate Change Service.

December Precipitation in Chalan

In Chalan in December, the total precipitation amount is 195 mm (7.7 in) over the course of 28 days.

December Precipitation Trends in Chalan

The chart displays monthly precipitation patterns in Chalan, 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 Chalan, December typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Chalan

In Chalan in December, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

December Average Humidity in Chalan

This chart illustrates the average monthly humidity levels in Chalan, 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 Chalan is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chalan

In Chalan in December, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Chalan, you can check Hourly UV Index in Chalan.

Maximum UV Index Levels in Chalan for December

The chart shows the monthly maximum UV Index (UVI) for Chalan 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 Chalan typically reaches 17, which falls under the extreme exposure category.

Data source: Chalan 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 Chalan Compares to Other Months

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

This table compares monthly weather conditions in Chalan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	180 mm (7.1 inches)	83%	extreme
February Weather	13°C (56°F)	191 mm (7.5 inches)	81%	extreme
March Weather	13°C (56°F)	269 mm (10.6 inches)	88%	extreme
April Weather	13°C (56°F)	177 mm (7.0 inches)	85%	extreme
May Weather	13°C (56°F)	96 mm (3.8 inches)	78%	extreme
June Weather	13°C (55°F)	47 mm (1.9 inches)	62%	extreme
July Weather	12°C (55°F)	35 mm (1.4 inches)	44%	extreme
August Weather	13°C (55°F)	42 mm (1.7 inches)	38%	extreme
September Weather	13°C (56°F)	77 mm (3.0 inches)	42%	extreme
October Weather	13°C (56°F)	183 mm (7.2 inches)	58%	extreme
November Weather	13°C (57°F)	216 mm (8.5 inches)	69%	extreme
December Weather	13°C (56°F)	195 mm (7.7 inches)	82%	extreme