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December Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In Santa Rosa, Peru, the average temperature in December hovers around 19°C (67°F), making it a pleasant time of year. Expect a minimum of 17°C (63°F) and a peak of 22°C (72°F), perfect for enjoying the outdoors. However, be prepared for some rain, as precipitation can reach 10 mm (0.4 in) over the course of 3 days. With an average humidity of 87%, it's wise to stay hydrated and embrace the lush surroundings!

December Temperature in Santa Rosa

In December, in Santa Rosa, the average temperature is 19°C (67°F). The maximum can reach 22°C (72°F), and the minimum can be as low as 17°C (63°F). This mild climate makes Santa Rosa an ideal destination for travelers looking to enjoy comfortable weather during their visit.

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 (67°F), with highs reaching up to 22°C (72°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec707272686665636261626466
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 10 mm (0.4 in) over a period of 3 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 10 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec9243413523337510
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 87%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making traveling a bit heavier and leaving you craving for refreshing drinks and shade throughout the day.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%85%87%89%85%83%84%87%87%87%87%
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 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 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141211111114141313
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 (70°F)9 mm (0.4 inches)88%extreme
February Weather22°C (73°F)24 mm (1.0 inches)85%extreme
March Weather22°C (73°F)34 mm (1.4 inches)85%extreme
April Weather20°C (69°F)13 mm (0.5 inches)87%extreme
May Weather19°C (66°F)5 mm (0.2 inches)89%extreme
June Weather18°C (65°F)2 mm (0.1 inches)85%extreme
July Weather17°C (64°F)3 mm (0.1 inches)82%extreme
August Weather17°C (62°F)3 mm (0.1 inches)84%extreme
September Weather16°C (62°F)3 mm (0.1 inches)86%extreme
October Weather17°C (62°F)6 mm (0.3 inches)87%extreme
November Weather18°C (64°F)5 mm (0.2 inches)87%extreme
December Weather19°C (67°F)10 mm (0.4 inches)87%extreme

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