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December Weather in Nicasio, Peru

Last updated: August 27, 2025

In Nicasio, Peru, the average temperature during December hovers around 10°C (51°F). Expect temperatures to vary, with a minimum of 2°C (35°F) and a maximum of 22°C (72°F). The month sees significant precipitation, with 188 mm (7.4 in) spread over 25 days, while the average humidity remains high at 90%. Prepare for a damp yet mild month filled with plenty of rain!

December Temperature in Nicasio

In December in Nicasio, the average temperature is 10°C (51°F), with maximums reaching up to 22°C (72°F) and minimums dipping as low as 2°C (35°F). This mild climate makes it a great time for travelers looking to explore the area comfortably.

December Weather in Nicasio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nicasio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nicasio, December typically has an average temperature of 10°C (51°F), with highs reaching up to 22°C (72°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec494949484645454850505351
Data source: Temperature data for Nicasio 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 Nicasio

In Nicasio in December, the precipitation amount is 188 mm (7.4 in) over the course of 25 days.

December Precipitation Trends in Nicasio

The chart displays monthly precipitation patterns in Nicasio, 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 Nicasio, December typically receives around 188 mm (7.4 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec192216211108357105539683188
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nicasio

In Nicasio in December, humidity is 90%. With an average temperature of 10°C (51°F), this humidity feels like you are wrapped in a damp blanket, making traveling quite uncomfortable and sticky, as the air hangs heavy around you, often leading to fatigue and a longing for cooler, drier conditions.

December Average Humidity in Nicasio

This chart illustrates the average monthly humidity levels in Nicasio, 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 Nicasio is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nicasio

In Nicasio in December, the maximum UV index reaches 19, which corresponds to an extreme exposure category. With a time to burn of just 10 minutes, it’s essential to take precautions. For detailed information, you can check the hourly UV index in Nicasio.

Maximum UV Index Levels in Nicasio for December

The chart shows the monthly maximum UV Index (UVI) for Nicasio 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 Nicasio typically reaches 19, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec192020171311121416181919
Data source: Nicasio 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 Nicasio Compares to Other Months

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

This table compares monthly weather conditions in Nicasio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)192 mm (7.6 inches)92%extreme
February Weather10°C (50°F)216 mm (8.5 inches)93%extreme
March Weather9°C (49°F)211 mm (8.3 inches)92%extreme
April Weather9°C (48°F)108 mm (4.2 inches)91%extreme
May Weather8°C (47°F)35 mm (1.4 inches)87%extreme
June Weather7°C (46°F)7 mm (0.3 inches)76%extreme
July Weather7°C (46°F)10 mm (0.4 inches)57%extreme
August Weather9°C (48°F)5 mm (0.2 inches)51%extreme
September Weather10°C (50°F)53 mm (2.1 inches)67%extreme
October Weather10°C (51°F)96 mm (3.8 inches)77%extreme
November Weather11°C (53°F)83 mm (3.3 inches)85%extreme
December Weather10°C (51°F)188 mm (7.4 inches)90%extreme

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