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December Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In December, the average temperature in Santa Rosa, Peru hovers around 19°C (66°F). Expect comfortable conditions with minimum temperatures dipping to 16°C (61°F) and reaching a pleasant maximum of 23°C (73°F). Prepare for a light sprinkle of 9 mm (0.3 in) of precipitation over 1 day, and experience the air's refreshing moisture with an average humidity level of 90%.

December Temperature in Santa Rosa

In December in Santa Rosa, the average temperature is 19°C (66°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as 16°C (61°F). It's a comfortable climate, making it a great time to explore and enjoy outdoor activities.

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 19°C (66°F), with highs reaching up to 23°C (73°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec697170686463616160616366
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 precipitation amount is 9 mm (0.3 in) over the course of 1 day.

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 9 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec222321878998779
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 90%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket enveloping you, making travel a sticky experience as the air hangs heavy and every step seems to amplify the sultry atmosphere.

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 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 Santa Rosa

In Santa Rosa in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Rosa, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516141110101113141414
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 Weather21°C (69°F)22 mm (0.9 inches)91%extreme
February Weather21°C (71°F)23 mm (0.9 inches)90%extreme
March Weather21°C (71°F)21 mm (0.8 inches)91%extreme
April Weather20°C (68°F)8 mm (0.3 inches)89%extreme
May Weather18°C (65°F)7 mm (0.3 inches)85%extreme
June Weather17°C (63°F)8 mm (0.3 inches)65%very high
July Weather16°C (62°F)9 mm (0.3 inches)47%very high
August Weather16°C (61°F)9 mm (0.4 inches)38%extreme
September Weather16°C (61°F)8 mm (0.3 inches)40%extreme
October Weather16°C (62°F)7 mm (0.3 inches)56%extreme
November Weather17°C (63°F)7 mm (0.3 inches)76%extreme
December Weather19°C (66°F)9 mm (0.3 inches)90%extreme

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