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December Weather in Ullulluco, Peru

Last updated: August 27, 2025

In December, the average temperature in Ullulluco, Peru hovers around 12°C (53°F). Expect a minimum of 3°C (38°F) and a delightful maximum of 23°C (73°F). With 172 mm (6.8 in) of precipitation over approximately 26 days, you might want to carry an umbrella! The weather also comes with high average humidity at 91%, creating a moist atmosphere perfect for cozy indoor activities.

December Temperature in Ullulluco

In December in Ullulluco, the average temperature is 12°C (53°F). The maximum can reach 23°C (73°F), and the minimum can be as low as 3°C (38°F). This mild climate makes Ullulluco a pleasant destination for travelers looking to explore comfortably during this time of year.

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

The chart illustrates December temperature patterns in Ullulluco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullulluco, December typically has an average temperature of 12°C (53°F), with highs reaching up to 23°C (73°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec525352525251505151525353
Data source: Temperature data for Ullulluco 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 Ullulluco

In Ullulluco in December, the total precipitation amount is 172 mm (6.8 in) that occurs over the course of 26 days.

December Precipitation Trends in Ullulluco

The chart displays monthly precipitation patterns in Ullulluco, 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 Ullulluco, December typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1571502101276635282863137151172
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ullulluco

In Ullulluco in December humidity is 91%. With an average temperature of 12°C (53°F), this humidity feels like a heavy cloak enveloping you, making every step feel laborious and the air thick and damp, which can dampen the excitement of traveling.

December Average Humidity in Ullulluco

This chart illustrates the average monthly humidity levels in Ullulluco, 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 Ullulluco is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ullulluco

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

Maximum UV Index Levels in Ullulluco for December

The chart shows the monthly maximum UV Index (UVI) for Ullulluco 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 Ullulluco typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919181513141417181717
Data source: Ullulluco 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 Ullulluco Compares to Other Months

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

This table compares monthly weather conditions in Ullulluco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)157 mm (6.2 inches)91%extreme
February Weather11°C (53°F)150 mm (5.9 inches)89%extreme
March Weather11°C (52°F)210 mm (8.3 inches)89%extreme
April Weather11°C (52°F)127 mm (5.0 inches)88%extreme
May Weather11°C (52°F)66 mm (2.6 inches)84%extreme
June Weather11°C (52°F)35 mm (1.4 inches)73%extreme
July Weather10°C (51°F)28 mm (1.1 inches)55%extreme
August Weather11°C (51°F)28 mm (1.1 inches)53%extreme
September Weather11°C (52°F)63 mm (2.5 inches)62%extreme
October Weather11°C (52°F)137 mm (5.4 inches)82%extreme
November Weather12°C (53°F)151 mm (5.9 inches)89%extreme
December Weather12°C (53°F)172 mm (6.8 inches)91%extreme

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