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December Weather in La Suiza, Costa Rica

Last updated: August 23, 2025

In December, the average temperature in La Suiza, Costa Rica is a pleasant 16°C (62°F), with daytime highs reaching up to 22°C (73°F) and lows dropping to 10°C (50°F). Expect about 218 mm (8.6 in) of precipitation spread across 21 days, contributing to an average humidity of 72%. Be prepared for some rain while you enjoy the moderate temperatures!

December Temperature in La Suiza

In December in La Suiza, the average temperature is 16°C (62°F). The maximum can reach 22°C (73°F), while the minimum can drop as low as 10°C (50°F). This mild climate makes La Suiza an ideal destination for outdoor activities and leisurely sightseeing.

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

The chart illustrates December temperature patterns in La Suiza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Suiza, December typically has an average temperature of 16°C (62°F), with highs reaching up to 22°C (73°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec606061636565646465646361
Data source: Temperature data for La Suiza 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 Suiza

In La Suiza in December, the total precipitation amount is 218 mm (8.6 in) recorded over a span of 21 days.

December Precipitation Trends in La Suiza

The chart displays monthly precipitation patterns in La Suiza, 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 Suiza, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec1448694153435287282292284422291218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in La Suiza

In La Suiza in December, humidity is 72%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapped around you, making it slightly uncomfortable for traveling as you might find yourself sweating more than usual, especially during outdoor activities.

December Average Humidity in La Suiza

This chart illustrates the average monthly humidity levels in La Suiza, 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 Suiza is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Suiza

In La Suiza in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in La Suiza.

Maximum UV Index Levels in La Suiza for December

The chart shows the monthly maximum UV Index (UVI) for La Suiza 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 Suiza typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161515151414151211
Data source: La Suiza 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 Suiza Compares to Other Months

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

This table compares monthly weather conditions in La Suiza, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)144 mm (5.7 inches)68%extreme
February Weather16°C (61°F)86 mm (3.4 inches)68%extreme
March Weather16°C (61°F)94 mm (3.7 inches)66%extreme
April Weather17°C (64°F)153 mm (6.0 inches)67%extreme
May Weather18°C (65°F)435 mm (17.1 inches)69%extreme
June Weather18°C (65°F)287 mm (11.3 inches)84%extreme
July Weather18°C (65°F)282 mm (11.1 inches)85%extreme
August Weather18°C (65°F)292 mm (11.5 inches)82%extreme
September Weather18°C (65°F)284 mm (11.2 inches)81%extreme
October Weather18°C (65°F)422 mm (16.6 inches)80%extreme
November Weather17°C (64°F)291 mm (11.4 inches)80%extreme
December Weather16°C (62°F)218 mm (8.6 inches)72%extreme

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