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December Weather in San Jacinto, Peru

Last updated: August 27, 2025

In December, the average temperature in San Jacinto, Peru hovers around 18°C (65°F), with a minimum of 14°C (58°F) and reaching a comfortable maximum of 24°C (75°F). Expect a light precipitation of 10 mm (0.4 in) over 1 day, while the air remains pleasantly humid at 83%.

December Temperature in San Jacinto

In December in San Jacinto, the average temperature is 18°C (65°F), with maximums reaching 24°C (75°F) and minimums dropping as low as 14°C (58°F). This mild weather makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates December temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, December typically has an average temperature of 18°C (65°F), with highs reaching up to 24°C (75°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec686868656360595959616365
Data source: Temperature data for San Jacinto 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 Jacinto

In San Jacinto in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 Jacinto, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec2624117810128108710
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Jacinto

In San Jacinto in December, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

December Average Humidity in San Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 Jacinto is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%89%89%88%84%78%77%76%82%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jacinto

In San Jacinto in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Jacinto.

Maximum UV Index Levels in San Jacinto for December

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 Jacinto typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161513119101214161616
Data source: San Jacinto 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 Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)26 mm (1.0 inches)86%extreme
February Weather20°C (69°F)24 mm (1.0 inches)88%extreme
March Weather20°C (68°F)11 mm (0.4 inches)89%extreme
April Weather18°C (65°F)7 mm (0.3 inches)89%extreme
May Weather17°C (63°F)8 mm (0.3 inches)88%extreme
June Weather16°C (61°F)10 mm (0.4 inches)84%very high
July Weather15°C (59°F)12 mm (0.5 inches)78%very high
August Weather15°C (59°F)8 mm (0.3 inches)76%extreme
September Weather15°C (59°F)10 mm (0.4 inches)76%extreme
October Weather16°C (61°F)8 mm (0.3 inches)82%extreme
November Weather17°C (63°F)7 mm (0.3 inches)83%extreme
December Weather18°C (65°F)10 mm (0.4 inches)83%extreme

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