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December Weather in Cayhuayna, Peru

Last updated: August 27, 2025

In December, the average temperature in Cayhuayna, Peru hovers around 13°C (55°F). Expect a minimum chill of 5°C (41°F) and a warm peak of 21°C (71°F). During this time, precipitation reaches 158 mm (6.2 in) over 27 days, contributing to an average humidity of a refreshingly high 90%.

December Temperature in Cayhuayna

In December in Cayhuayna, the average temperature is 13°C (55°F), with maximums reaching up to 21°C (71°F) and minimums dipping as low as 5°C (41°F). This mild climate makes Cayhuayna a comfortable destination for travelers seeking pleasant weather during this time.

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

The chart illustrates December temperature patterns in Cayhuayna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cayhuayna, December typically has an average temperature of 13°C (55°F), with highs reaching up to 21°C (71°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec545554545353525253545555
Data source: Temperature data for Cayhuayna 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 Cayhuayna

In Cayhuayna in December, the total precipitation amount is 158 mm (6.2 in) over a span of 27 days.

December Precipitation Trends in Cayhuayna

The chart displays monthly precipitation patterns in Cayhuayna, 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 Cayhuayna, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec176193190102623530253788117158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cayhuayna

In Cayhuayna in December humidity is 90%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing a sticky discomfort that can drain your energy quickly while exploring the sights.

December Average Humidity in Cayhuayna

This chart illustrates the average monthly humidity levels in Cayhuayna, 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 Cayhuayna 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 Cayhuayna

In Cayhuayna 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 Cayhuayna, you can check Hourly UV Index in Cayhuayna.

Maximum UV Index Levels in Cayhuayna for December

The chart shows the monthly maximum UV Index (UVI) for Cayhuayna 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 Cayhuayna typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141417181817
Data source: Cayhuayna 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 Cayhuayna Compares to Other Months

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

This table compares monthly weather conditions in Cayhuayna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)176 mm (6.9 inches)91%extreme
February Weather13°C (55°F)193 mm (7.6 inches)90%extreme
March Weather12°C (54°F)190 mm (7.5 inches)91%extreme
April Weather12°C (54°F)102 mm (4.0 inches)89%extreme
May Weather12°C (54°F)62 mm (2.4 inches)85%extreme
June Weather11°C (53°F)35 mm (1.4 inches)65%extreme
July Weather11°C (52°F)30 mm (1.2 inches)47%extreme
August Weather11°C (52°F)25 mm (1.0 inches)38%extreme
September Weather12°C (53°F)37 mm (1.5 inches)40%extreme
October Weather12°C (54°F)88 mm (3.4 inches)56%extreme
November Weather13°C (56°F)117 mm (4.6 inches)76%extreme
December Weather13°C (55°F)158 mm (6.2 inches)90%extreme

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