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December Weather in La Cruz, Costa Rica

Last updated: August 23, 2025

In December, the average temperature in La Cruz, Costa Rica reaches a pleasant 25°C (78°F). Daytime highs can soar to 28°C (83°F), while evenings are comfortably cool at a minimum of 23°C (74°F). Expect some light rain, with an average precipitation of 21 mm (0.8 in) over just 3 days, accompanied by a humidity level of around 70%.

December Temperature in La Cruz

In December in La Cruz, the average temperature is 25°C (78°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 23°C (74°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

December Weather in La Cruz: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in La Cruz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Cruz, December typically has an average temperature of 25°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777878818180808080797978
Data source: Temperature data for La Cruz 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 La Cruz

In La Cruz in December, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

December Precipitation Trends in La Cruz

The chart displays monthly precipitation patterns in La Cruz, 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 La Cruz, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec832162442046716021935614221
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in La Cruz

In La Cruz in December humidity is 70%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making traveling feel both sultry and invigorating as the air wraps around you, encouraging slower-paced exploration amidst the vibrant surroundings.

December Average Humidity in La Cruz

This chart illustrates the average monthly humidity levels in La Cruz, 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 La Cruz is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%63%63%74%85%82%80%79%79%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Cruz

In La Cruz in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in La Cruz.

Maximum UV Index Levels in La Cruz for December

The chart shows the monthly maximum UV Index (UVI) for La Cruz 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 La Cruz typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151414141313131110
Data source: La Cruz 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 La Cruz Compares to Other Months

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

This table compares monthly weather conditions in La Cruz, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)8 mm (0.3 inches)66%extreme
February Weather26°C (78°F)3 mm (0.1 inches)64%extreme
March Weather26°C (79°F)2 mm (0.1 inches)63%extreme
April Weather27°C (81°F)16 mm (0.6 inches)63%extreme
May Weather27°C (81°F)244 mm (9.6 inches)63%extreme
June Weather27°C (80°F)204 mm (8.0 inches)74%extreme
July Weather27°C (80°F)67 mm (2.6 inches)85%extreme
August Weather27°C (80°F)160 mm (6.3 inches)82%extreme
September Weather26°C (80°F)219 mm (8.6 inches)80%extreme
October Weather26°C (79°F)356 mm (14.0 inches)79%extreme
November Weather26°C (79°F)142 mm (5.6 inches)79%extreme
December Weather25°C (78°F)21 mm (0.8 inches)70%very high

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