December Weather in Lamas, Peru

Last updated: August 27, 2025

In December, the average temperature in Lamas, Peru hovers around a pleasant 24°C (75°F), with minimums dipping to 18°C (64°F) and maximums soaring up to 33°C (91°F). However, be prepared for some rain, as the area receives an average precipitation of 271 mm (10.7 in) over 28 days, accompanied by a high humidity level of 89%.

December Temperature in Lamas

In December in Lamas, the average temperature is 24°C (75°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 18°C (64°F). This pleasant climate makes it an ideal time for outdoor adventures and exploring the vibrant culture of the region.

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

The chart illustrates December temperature patterns in Lamas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamas, December typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (64°F).

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

December Precipitation in Lamas

In Lamas in December, the total precipitation amount is 271 mm (10.7 in) that falls over a span of 28 days.

December Precipitation Trends in Lamas

The chart displays monthly precipitation patterns in Lamas, 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 Lamas, December typically receives around 271 mm (10.7 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 Lamas

In Lamas in December humidity is 89%. With average temperature 24°C (75°F), this humidity feels like a heavy, damp blanket enveloping you, making travel feel sluggish and sticky as you navigate the sultry air.

December Average Humidity in Lamas

This chart illustrates the average monthly humidity levels in Lamas, 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 Lamas is approximately 89%, 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 Lamas

In Lamas in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Lamas, you can check here.

Maximum UV Index Levels in Lamas for December

The chart shows the monthly maximum UV Index (UVI) for Lamas 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 Lamas typically reaches 14, which falls under the extreme exposure category.

Data source: Lamas 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 Lamas Compares to Other Months

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

This table compares monthly weather conditions in Lamas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	285 mm (11.2 inches)	80%	extreme
February Weather	24°C (75°F)	250 mm (9.8 inches)	76%	extreme
March Weather	23°C (74°F)	386 mm (15.2 inches)	81%	extreme
April Weather	23°C (74°F)	289 mm (11.4 inches)	86%	extreme
May Weather	23°C (74°F)	240 mm (9.4 inches)	86%	extreme
June Weather	23°C (73°F)	173 mm (6.8 inches)	70%	extreme
July Weather	22°C (72°F)	136 mm (5.3 inches)	47%	extreme
August Weather	23°C (73°F)	91 mm (3.6 inches)	37%	extreme
September Weather	23°C (75°F)	141 mm (5.6 inches)	42%	extreme
October Weather	24°C (75°F)	242 mm (9.5 inches)	62%	extreme
November Weather	24°C (75°F)	339 mm (13.3 inches)	76%	extreme
December Weather	24°C (75°F)	271 mm (10.7 inches)	89%	extreme