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December Weather in Puerto Cortes, Costa Rica

Last updated: August 23, 2025

In December, the average temperature in Puerto Cortes, Costa Rica is a pleasant 24°C (75°F). During this time, temperatures can range from a comfortable 18°C (65°F) to a warm 29°C (84°F). However, be prepared for significant precipitation of 198 mm (7.8 in) spread over 28 days, with an average humidity level of 72%.

December Temperature in Puerto Cortes

In December in Puerto Cortes, the average temperature is 24°C (75°F). Maximums can reach 29°C (84°F) and minimums can be as low as 18°C (65°F). This pleasant weather makes it an ideal time for travel and outdoor activities.

December Weather in Puerto Cortes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Puerto Cortes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Cortes, December typically has an average temperature of 24°C (75°F), with highs reaching up to 29°C (84°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec757677767676757575747474
Data source: Temperature data for Puerto Cortes 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 Puerto Cortes

In Puerto Cortes in December, the total precipitation amount is 198 mm (7.8 in) over a period of 28 days.

December Precipitation Trends in Puerto Cortes

The chart displays monthly precipitation patterns in Puerto Cortes, 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 Puerto Cortes, December typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec944354245655622500637579887687198
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Puerto Cortes

In Puerto Cortes in December, humidity is 72%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapped around you, making any travel plans feel pleasantly sticky but still enjoyable as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Puerto Cortes

This chart illustrates the average monthly humidity levels in Puerto Cortes, 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 Puerto Cortes 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 Puerto Cortes

In Puerto Cortes 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 Puerto Cortes.

Maximum UV Index Levels in Puerto Cortes for December

The chart shows the monthly maximum UV Index (UVI) for Puerto Cortes 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 Puerto Cortes typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151514141414141211
Data source: Puerto Cortes 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 Puerto Cortes Compares to Other Months

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

This table compares monthly weather conditions in Puerto Cortes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)94 mm (3.7 inches)68%extreme
February Weather24°C (76°F)43 mm (1.7 inches)68%extreme
March Weather25°C (77°F)54 mm (2.1 inches)66%extreme
April Weather25°C (77°F)245 mm (9.6 inches)67%extreme
May Weather24°C (76°F)655 mm (25.8 inches)69%extreme
June Weather24°C (76°F)622 mm (24.5 inches)84%extreme
July Weather24°C (76°F)500 mm (19.7 inches)85%extreme
August Weather24°C (75°F)637 mm (25.1 inches)82%extreme
September Weather24°C (75°F)579 mm (22.8 inches)81%extreme
October Weather24°C (75°F)887 mm (34.9 inches)80%extreme
November Weather23°C (74°F)687 mm (27.0 inches)80%extreme
December Weather24°C (75°F)198 mm (7.8 inches)72%extreme

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