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December Weather in San Jeronimo, Peru

Last updated: August 27, 2025

In San Jeronimo, Peru, the average temperature in December is a brisk 11°C (52°F). Expect a minimum of 3°C (38°F) and a comfortable maximum of 19°C (67°F). With precipitation reaching 202 mm (8.0 in) over 28 days, it's a wet month, accompanied by an average humidity of 89%. Be sure to pack accordingly!

December Temperature in San Jeronimo

In December in San Jeronimo, the average temperature is 11°C (52°F), with maximums reaching up to 19°C (67°F) and minimums dipping as low as 3°C (38°F). This mild climate makes San Jeronimo an ideal destination for travelers seeking comfortable weather while exploring the local attractions.

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

The chart illustrates December temperature patterns in San Jeronimo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jeronimo, December typically has an average temperature of 11°C (52°F), with highs reaching up to 19°C (67°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec515150504948474850515252
Data source: Temperature data for San Jeronimo 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 San Jeronimo

In San Jeronimo in December, the total precipitation amount is 202 mm (8.0 in) over the course of 28 days.

December Precipitation Trends in San Jeronimo

The chart displays monthly precipitation patterns in San Jeronimo, 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 San Jeronimo, December typically receives around 202 mm (8.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec19123220497341614204295160202
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Jeronimo

In San Jeronimo in December humidity is 89%. With an average temperature of 11°C (52°F), this humidity feels like a cool mist clinging to your skin, making outdoor activities feel damp and chilly, so it's essential to dress in layers and be prepared for a brisk experience while traveling.

December Average Humidity in San Jeronimo

This chart illustrates the average monthly humidity levels in San Jeronimo, 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 San Jeronimo is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jeronimo

In San Jeronimo in December, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in San Jeronimo.

Maximum UV Index Levels in San Jeronimo for December

The chart shows the monthly maximum UV Index (UVI) for San Jeronimo 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 San Jeronimo typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181818171311131416171818
Data source: San Jeronimo 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 San Jeronimo Compares to Other Months

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

This table compares monthly weather conditions in San Jeronimo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)191 mm (7.5 inches)93%extreme
February Weather10°C (51°F)232 mm (9.1 inches)92%extreme
March Weather10°C (51°F)204 mm (8.0 inches)92%extreme
April Weather10°C (50°F)97 mm (3.8 inches)90%extreme
May Weather9°C (49°F)34 mm (1.3 inches)85%extreme
June Weather9°C (48°F)16 mm (0.6 inches)70%extreme
July Weather8°C (47°F)14 mm (0.5 inches)54%extreme
August Weather9°C (48°F)20 mm (0.8 inches)44%extreme
September Weather10°C (50°F)42 mm (1.6 inches)52%extreme
October Weather11°C (51°F)95 mm (3.7 inches)65%extreme
November Weather11°C (52°F)160 mm (6.3 inches)81%extreme
December Weather11°C (52°F)202 mm (8.0 inches)89%extreme

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