nomadseason

December Weather in San Clemente, Peru

Last updated: August 27, 2025

The average temperature in San Clemente, Peru during December is a pleasant 20°C (69°F). Expect a minimum of 17°C (63°F) and a comfortable maximum of 24°C (76°F). With an average humidity of 87%, the atmosphere remains refreshing, complemented by a low precipitation amount of just 3 mm (0.1 in) over 0 days. Enjoy the mild weather!

December Temperature in San Clemente

In December in San Clemente, the average temperature is 20°C (69°F). Maximums can reach 24°C (76°F), while minimums can dip to as low as 17°C (63°F). This mild climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local sights comfortably.

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

The chart illustrates December temperature patterns in San Clemente, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Clemente, December typically has an average temperature of 20°C (69°F), with highs reaching up to 24°C (76°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec727373706664626162636568
Data source: Temperature data for San Clemente generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Clemente

In San Clemente in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in San Clemente

The chart displays monthly precipitation patterns in San Clemente, 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 Clemente, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1396423211123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Clemente

In San Clemente in December humidity is 87%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making outdoor activities such as sightseeing and hiking quite challenging, as the thick air can leave you feeling sticky and tired quickly.

December Average Humidity in San Clemente

This chart illustrates the average monthly humidity levels in San Clemente, 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 Clemente is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Clemente

In San Clemente 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 San Clemente, you can check here.

Maximum UV Index Levels in San Clemente for December

The chart shows the monthly maximum UV Index (UVI) for San Clemente 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 Clemente typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141413109101113141514
Data source: San Clemente 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 Clemente Compares to Other Months

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

This table compares monthly weather conditions in San Clemente, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)13 mm (0.5 inches)89%extreme
February Weather23°C (74°F)9 mm (0.3 inches)89%extreme
March Weather23°C (74°F)6 mm (0.2 inches)90%extreme
April Weather21°C (71°F)4 mm (0.2 inches)89%extreme
May Weather19°C (67°F)2 mm (0.1 inches)83%very high
June Weather18°C (64°F)3 mm (0.1 inches)69%very high
July Weather17°C (63°F)2 mm (0.1 inches)56%very high
August Weather16°C (62°F)1 mm (0.0 inches)50%extreme
September Weather17°C (62°F)1 mm (0.0 inches)53%extreme
October Weather17°C (63°F)1 mm (0.1 inches)68%extreme
November Weather18°C (65°F)2 mm (0.1 inches)81%extreme
December Weather20°C (69°F)3 mm (0.1 inches)87%extreme

Compare San Clemente's Climate with Cities Worldwide