December Weather in Caicay, Peru

Last updated: August 27, 2025

In December, the average temperature in Caicay, Peru hovers around 9°C (49°F), making it a cool yet refreshing time. Expect minimums to dip to 2°C (36°F) and maximums to reach 19°C (66°F). However, be prepared for ample precipitation, with 254 mm (10.0 in) falling over 29 days, contributing to an average humidity of 93%.

December Temperature in Caicay

In December in Caicay, the average temperature is 9°C (49°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as 2°C (36°F). It's a great time for travelers to experience mild weather and enjoy outdoor activities in Caicay.

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

The chart illustrates December temperature patterns in Caicay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caicay, December typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around 2°C (36°F).

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

December Precipitation in Caicay

In Caicay in December, the total precipitation amount is 254 mm (10.0 in), spread over 29 days.

December Precipitation Trends in Caicay

The chart displays monthly precipitation patterns in Caicay, 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 Caicay, December typically receives around 254 mm (10.0 inches) of precipitation spread over approximately 29 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 Caicay

In Caicay in December, humidity is 93%. With an average temperature of 9°C (49°F), this humidity feels like a dense, damp blanket enveloping you, making traveling quite uncomfortable as you navigate through the heavy, moist air.

December Average Humidity in Caicay

This chart illustrates the average monthly humidity levels in Caicay, 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 Caicay is approximately 93%, 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 Caicay

In Caicay in December, the maximum UV index reaches 20, which falls under the extreme Exposure Category. This means that the time to burn is just 10 minutes. To stay informed about the hourly UV Index in Caicay, you can visit Hourly UV Index in Caicay.

Maximum UV Index Levels in Caicay for December

The chart shows the monthly maximum UV Index (UVI) for Caicay 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 Caicay typically reaches 20, which falls under the extreme exposure category.

Data source: Caicay 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 Caicay Compares to Other Months

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

This table compares monthly weather conditions in Caicay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	189 mm (7.5 inches)	94%	extreme
February Weather	9°C (48°F)	266 mm (10.5 inches)	92%	extreme
March Weather	9°C (48°F)	203 mm (8.0 inches)	92%	extreme
April Weather	8°C (47°F)	129 mm (5.1 inches)	90%	extreme
May Weather	8°C (46°F)	73 mm (2.9 inches)	88%	extreme
June Weather	7°C (45°F)	63 mm (2.5 inches)	77%	extreme
July Weather	7°C (44°F)	50 mm (2.0 inches)	55%	extreme
August Weather	7°C (45°F)	65 mm (2.6 inches)	44%	extreme
September Weather	8°C (46°F)	90 mm (3.5 inches)	51%	extreme
October Weather	9°C (48°F)	127 mm (5.0 inches)	64%	extreme
November Weather	10°C (49°F)	156 mm (6.1 inches)	84%	extreme
December Weather	9°C (49°F)	254 mm (10.0 inches)	93%	extreme