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December Weather in Nueva Costa Rica, Mexico

Last updated: August 27, 2025

In December, the average temperature in Nueva Costa Rica, Mexico is a pleasant 22°C (73°F). You can expect a comfortable range with temperatures sometimes dipping to a minimum of 13°C (56°F) and peaking at 32°C (89°F). The area receives around 10 mm (0.4 in) of precipitation over about 2 days, contributing to an average humidity of 75%. Enjoy the mild climate!

December Temperature in Nueva Costa Rica

In December in Nueva Costa Rica, the average temperature is 22°C (73°F). The maximum can reach 32°C (89°F), while the minimum can be as low as 13°C (56°F). This pleasant climate makes Nueva Costa Rica an ideal destination for outdoor activities and sightseeing during this time of year.

December Weather in Nueva Costa Rica: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nueva Costa Rica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nueva Costa Rica, December typically has an average temperature of 22°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec727375767674757474747372
Data source: Temperature data for Nueva Costa Rica 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 Nueva Costa Rica

In Nueva Costa Rica in December, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

December Precipitation Trends in Nueva Costa Rica

The chart displays monthly precipitation patterns in Nueva Costa Rica, 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 Nueva Costa Rica, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec7817612563962573624123285810
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nueva Costa Rica

In Nueva Costa Rica in December humidity is 75%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping embrace, making it essential for travelers to stay hydrated and wear light, breathable clothing to enjoy their adventures comfortably.

December Average Humidity in Nueva Costa Rica

This chart illustrates the average monthly humidity levels in Nueva Costa Rica, 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 Nueva Costa Rica is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nueva Costa Rica

In Nueva Costa Rica in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Nueva Costa Rica.

Maximum UV Index Levels in Nueva Costa Rica for December

The chart shows the monthly maximum UV Index (UVI) for Nueva Costa Rica 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 Nueva Costa Rica typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141415141413109
Data source: Nueva Costa Rica 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 Nueva Costa Rica Compares to Other Months

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

This table compares monthly weather conditions in Nueva Costa Rica, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)7 mm (0.3 inches)70%extreme
February Weather23°C (74°F)7 mm (0.3 inches)68%extreme
March Weather24°C (75°F)17 mm (0.7 inches)64%extreme
April Weather25°C (77°F)61 mm (2.4 inches)67%extreme
May Weather24°C (76°F)255 mm (10.1 inches)74%extreme
June Weather23°C (74°F)396 mm (15.6 inches)78%extreme
July Weather24°C (75°F)257 mm (10.1 inches)81%extreme
August Weather23°C (74°F)362 mm (14.2 inches)82%extreme
September Weather23°C (74°F)412 mm (16.2 inches)80%extreme
October Weather23°C (74°F)328 mm (12.9 inches)81%extreme
November Weather23°C (73°F)58 mm (2.3 inches)80%very high
December Weather22°C (73°F)10 mm (0.4 inches)75%very high

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