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December Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In December, the average temperature in Santa Rosa, Peru is a pleasant 18°C (64°F). Expect minimums to dip to 10°C (50°F) and maximums to rise to 28°C (83°F), providing a delightful range for outdoor activities. With an average precipitation of 61 mm (2.4 in) spread over 16 days, and humidity levels at a comfortable 82%, it's the perfect time to enjoy the beauty of the season!

December Temperature in Santa Rosa

In December in Santa Rosa, the average temperature is 18°C (64°F), with a maximum reaching 28°C (83°F) and a minimum dropping as low as 10°C (50°F). This pleasant weather makes Santa Rosa an ideal destination for travelers looking to enjoy mild and comfortable temperatures.

December Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, December typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec636363636362616163646564
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in December, the total precipitation amount is 61 mm (2.4 in), occurring over the course of 16 days.

December Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec751091521014026312621467961
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Rosa

In Santa Rosa in December humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

December Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa 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 Santa Rosa

In Santa Rosa in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Rosa.

Maximum UV Index Levels in Santa Rosa for December

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718171512131317161615
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)75 mm (3.0 inches)83%extreme
February Weather17°C (64°F)109 mm (4.3 inches)81%extreme
March Weather17°C (63°F)152 mm (6.0 inches)88%extreme
April Weather17°C (63°F)101 mm (4.0 inches)85%extreme
May Weather17°C (63°F)40 mm (1.6 inches)78%extreme
June Weather17°C (62°F)26 mm (1.0 inches)62%extreme
July Weather16°C (61°F)31 mm (1.2 inches)44%extreme
August Weather16°C (62°F)26 mm (1.0 inches)38%extreme
September Weather17°C (63°F)21 mm (0.8 inches)42%extreme
October Weather18°C (65°F)46 mm (1.8 inches)58%extreme
November Weather18°C (65°F)79 mm (3.1 inches)69%extreme
December Weather18°C (64°F)61 mm (2.4 inches)82%extreme

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