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December Weather in San Rafael, Peru

Last updated: August 27, 2025

In San Rafael, Peru, the average temperature for December hovers around 12°C (53°F). Expect a comfortable range, with minimums dipping to 3°C (38°F) and highs reaching up to 21°C (70°F). Be prepared for consistent precipitation, with 152 mm (6.0 in) of rain spread over 28 days and an average humidity of 90%. 🌧️

December Temperature in San Rafael

In December in San Rafael, the average temperature is 12°C (53°F). The maximum can reach 21°C (70°F), and the minimum can be as low as 3°C (38°F). It's a great time to visit San Rafael, as you can enjoy mild weather and comfortable conditions for outdoor activities.

December Weather in San Rafael: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Rafael, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Rafael, December typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec525252515150495051525353
Data source: Temperature data for San Rafael 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 San Rafael

In San Rafael in December, the total precipitation amount is 152 mm (6.0 in) spread over 28 days.

December Precipitation Trends in San Rafael

The chart displays monthly precipitation patterns in San Rafael, 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 San Rafael, December typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec17920519782381916163073127152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Rafael

In San Rafael in December, humidity is 90%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures uncomfortable and travel plans less appealing.

December Average Humidity in San Rafael

This chart illustrates the average monthly humidity levels in San Rafael, 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 San Rafael 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 San Rafael

In San Rafael in December, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in San Rafael.

Maximum UV Index Levels in San Rafael for December

The chart shows the monthly maximum UV Index (UVI) for San Rafael 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 San Rafael typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181818
Data source: San Rafael 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 San Rafael Compares to Other Months

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

This table compares monthly weather conditions in San Rafael, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)179 mm (7.0 inches)91%extreme
February Weather11°C (53°F)205 mm (8.1 inches)90%extreme
March Weather11°C (52°F)197 mm (7.7 inches)91%extreme
April Weather11°C (52°F)82 mm (3.2 inches)89%extreme
May Weather11°C (51°F)38 mm (1.5 inches)85%extreme
June Weather10°C (50°F)19 mm (0.7 inches)65%extreme
July Weather10°C (49°F)16 mm (0.6 inches)47%extreme
August Weather10°C (50°F)16 mm (0.6 inches)38%extreme
September Weather10°C (51°F)30 mm (1.2 inches)40%extreme
October Weather11°C (52°F)73 mm (2.9 inches)56%extreme
November Weather12°C (53°F)127 mm (5.0 inches)76%extreme
December Weather12°C (53°F)152 mm (6.0 inches)90%extreme

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