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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 17°C (63°F). Expect a comfortable range with minimums dipping to 11°C (51°F) and maximums reaching up to 27°C (80°F). However, prepare for some rain, as the area receives 117 mm (4.6 in) of precipitation over 21 days, and humidity levels remain high at 89%.

December Temperature in Santa Rosa

In December in Santa Rosa, the average temperature is 17°C (63°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop to as low as 11°C (51°F). This mild climate makes Santa Rosa an ideal destination for travelers seeking comfortable weather for 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 17°C (63°F), with highs reaching up to 27°C (80°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec626161616059585961626362
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 117 mm (4.6 in) spread over 21 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 117 mm (4.6 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec1391581437136201916225698117
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 89%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel more strenuous and less enjoyable for traveling.

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 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 Santa Rosa

In Santa Rosa 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 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 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181717161311121315171716
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 Weather16°C (62°F)139 mm (5.5 inches)93%extreme
February Weather16°C (62°F)158 mm (6.2 inches)92%extreme
March Weather16°C (61°F)143 mm (5.6 inches)92%extreme
April Weather16°C (61°F)71 mm (2.8 inches)90%extreme
May Weather16°C (61°F)36 mm (1.4 inches)85%extreme
June Weather15°C (59°F)20 mm (0.8 inches)70%extreme
July Weather15°C (58°F)19 mm (0.7 inches)54%extreme
August Weather15°C (59°F)16 mm (0.6 inches)44%extreme
September Weather16°C (61°F)22 mm (0.9 inches)52%extreme
October Weather17°C (62°F)56 mm (2.2 inches)65%extreme
November Weather17°C (63°F)98 mm (3.9 inches)81%extreme
December Weather17°C (63°F)117 mm (4.6 inches)89%extreme

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