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December Weather in Alto San Ildefonso, Peru

Last updated: August 27, 2025

The average temperature in Alto San Ildefonso, Peru during December is a pleasant 21°C (69°F). Daily temperatures range from a minimum of 16°C (61°F) to a maximum of 26°C (79°F), making it an ideal time to explore. Expect to see about 30 mm (1.2 in) of precipitation spread over 7 days, resulting in an average humidity of 82%. Perfect for those who enjoy a little warmth and a touch of moisture in the air!

December Temperature in Alto San Ildefonso

In December in Alto San Ildefonso, the average temperature is 21°C (69°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop to as low as 16°C (61°F). This pleasant climate makes Alto San Ildefonso an ideal destination for travelers looking to enjoy mild and comfortable weather.

December Weather in Alto San Ildefonso: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Alto San Ildefonso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto San Ildefonso, December typically has an average temperature of 21°C (69°F), with highs reaching up to 26°C (79°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec727474716967656464656669
Data source: Temperature data for Alto San Ildefonso 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 Alto San Ildefonso

In Alto San Ildefonso in December, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.

December Precipitation Trends in Alto San Ildefonso

The chart displays monthly precipitation patterns in Alto San Ildefonso, 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 Alto San Ildefonso, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec3041632410233591030
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alto San Ildefonso

In Alto San Ildefonso in December humidity is 82%. With an average temperature of 21°C (69°F), this humidity feels like a sweltering embrace, making outdoor activities feel more strenuous and prompting travelers to seek shade and cooling breezes.

December Average Humidity in Alto San Ildefonso

This chart illustrates the average monthly humidity levels in Alto San Ildefonso, 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 Alto San Ildefonso is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%88%85%78%62%44%38%42%58%69%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alto San Ildefonso

In Alto San Ildefonso in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Alto San Ildefonso.

Maximum UV Index Levels in Alto San Ildefonso for December

The chart shows the monthly maximum UV Index (UVI) for Alto San Ildefonso 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 Alto San Ildefonso typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141211111114141313
Data source: Alto San Ildefonso 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 Alto San Ildefonso Compares to Other Months

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

This table compares monthly weather conditions in Alto San Ildefonso, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)30 mm (1.2 inches)83%extreme
February Weather24°C (75°F)41 mm (1.6 inches)81%extreme
March Weather24°C (75°F)63 mm (2.5 inches)88%extreme
April Weather22°C (72°F)24 mm (0.9 inches)85%extreme
May Weather20°C (69°F)10 mm (0.4 inches)78%extreme
June Weather19°C (67°F)2 mm (0.1 inches)62%extreme
July Weather18°C (65°F)3 mm (0.1 inches)44%extreme
August Weather18°C (65°F)3 mm (0.1 inches)38%extreme
September Weather18°C (64°F)5 mm (0.2 inches)42%extreme
October Weather18°C (65°F)9 mm (0.3 inches)58%extreme
November Weather19°C (66°F)10 mm (0.4 inches)69%extreme
December Weather21°C (69°F)30 mm (1.2 inches)82%extreme

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