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December Weather in Rio Seco, Peru

Last updated: August 27, 2025

In December, the average temperature in Rio Seco, Peru hovers around 18°C (65°F), with a comfortable range between a minimum of 13°C (57°F) and a maximum of 26°C (79°F). However, don’t forget your umbrella, as the region experiences an average precipitation of 431 mm (17.0 in) spread across 29 days. With an average humidity level of 90%, expect a rather moist atmosphere throughout the month.

December Temperature in Rio Seco

In December, in Rio Seco, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop to as low as 13°C (57°F). This climate makes Rio Seco an ideal destination for travelers seeking mild weather and enjoyable outdoor activities.

December Weather in Rio Seco: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio Seco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Seco, December typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (79°F) and lows dropping to around 13°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec646464646363616264646565
Data source: Temperature data for Rio Seco 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 Rio Seco

In Rio Seco in December, the precipitation amount is 431 mm (17.0 in) over a span of 29 days.

December Precipitation Trends in Rio Seco

The chart displays monthly precipitation patterns in Rio Seco, 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 Rio Seco, December typically receives around 431 mm (17.0 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec48551340423611999606686166318431
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Seco

In Rio Seco in December, humidity is 90%. With an average temperature of 18°C (65°F), this humidity feels like walking through a dense fog, where the air clings to your skin and every step seems to sap your energy, making outdoor activities more challenging and less enjoyable for traveling.

December Average Humidity in Rio Seco

This chart illustrates the average monthly humidity levels in Rio Seco, 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 Rio Seco 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 Rio Seco

In Rio Seco 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 Rio Seco.

Maximum UV Index Levels in Rio Seco for December

The chart shows the monthly maximum UV Index (UVI) for Rio Seco 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 Rio Seco typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311111314161716
Data source: Rio Seco 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 Rio Seco Compares to Other Months

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

This table compares monthly weather conditions in Rio Seco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)485 mm (19.1 inches)91%extreme
February Weather18°C (64°F)513 mm (20.2 inches)90%extreme
March Weather18°C (65°F)404 mm (15.9 inches)91%extreme
April Weather18°C (64°F)236 mm (9.3 inches)89%extreme
May Weather17°C (64°F)119 mm (4.7 inches)85%extreme
June Weather17°C (63°F)99 mm (3.9 inches)65%extreme
July Weather16°C (62°F)60 mm (2.4 inches)47%extreme
August Weather17°C (62°F)66 mm (2.6 inches)38%extreme
September Weather18°C (64°F)86 mm (3.4 inches)40%extreme
October Weather18°C (65°F)166 mm (6.5 inches)56%extreme
November Weather18°C (65°F)318 mm (12.5 inches)76%extreme
December Weather18°C (65°F)431 mm (17.0 inches)90%extreme

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