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December Weather in Acas, Peru

Last updated: August 27, 2025

In December, the average temperature in Acas, Peru hovers around 11°C (53°F), with a minimum of 2°C (35°F) and a maximum of 19°C (66°F). Expect quite a bit of rain, with 185 mm (7.3 in) of precipitation spread over 26 days. The weather is further characterized by high humidity levels at 90%, creating a rather damp atmosphere.

December Temperature in Acas

In December in Acas, the average temperature is 11°C (53°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as 2°C (35°F). This climate makes it a pleasant time for travelers to explore the attractions while enjoying mild weather.

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

The chart illustrates December temperature patterns in Acas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acas, December typically has an average temperature of 11°C (53°F), with highs reaching up to 19°C (66°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec525252525253535454535353
Data source: Temperature data for Acas 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 Acas

In Acas in December, the precipitation amount is 185 mm (7.3 in) spread over 26 days.

December Precipitation Trends in Acas

The chart displays monthly precipitation patterns in Acas, 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 Acas, December typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec23925934718710929202369109109185
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Acas

In Acas in December, humidity is 90%. With an average temperature of 11°C (53°F), this humidity feels like a heavy cloak, making traveling feel sticky and exhausting, as the dampness clings to your skin and the chill in the air sharpens the discomfort, leaving you longing for a breath of fresh, dry air.

December Average Humidity in Acas

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

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

Maximum UV Index Levels in Acas for December

The chart shows the monthly maximum UV Index (UVI) for Acas 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 Acas typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191920181513141417181817
Data source: Acas 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 Acas Compares to Other Months

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

This table compares monthly weather conditions in Acas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)239 mm (9.4 inches)91%extreme
February Weather11°C (52°F)259 mm (10.2 inches)90%extreme
March Weather11°C (52°F)347 mm (13.7 inches)91%extreme
April Weather11°C (52°F)187 mm (7.3 inches)89%extreme
May Weather11°C (53°F)109 mm (4.3 inches)85%extreme
June Weather11°C (53°F)29 mm (1.1 inches)65%extreme
July Weather12°C (53°F)20 mm (0.8 inches)47%extreme
August Weather12°C (54°F)22 mm (0.9 inches)38%extreme
September Weather12°C (54°F)69 mm (2.7 inches)40%extreme
October Weather12°C (53°F)109 mm (4.3 inches)56%extreme
November Weather12°C (53°F)109 mm (4.3 inches)76%extreme
December Weather11°C (53°F)185 mm (7.3 inches)90%extreme

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