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December Weather in Batan, Costa Rica

Last updated: August 23, 2025

In December, the average temperature in Batan, Costa Rica is a pleasant 24°C (75°F), making it an ideal time to explore. Expect minimums around 18°C (65°F) and maximums reaching 29°C (84°F). However, be prepared for some rain, as the region sees about 342 mm (13.5 in) of precipitation over 25 days. With an average humidity of 72%, the atmosphere is quite tropical and vibrant.

December Temperature in Batan

In December in Batan, 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 Batan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Batan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Batan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737474767878777778777675
Data source: Temperature data for Batan 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 Batan

In Batan in December, the total precipitation amount is 342 mm (13.5 in) recorded over 25 days.

December Precipitation Trends in Batan

The chart displays monthly precipitation patterns in Batan, 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 Batan, December typically receives around 342 mm (13.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec252138141172430370496352240354416342
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Batan

In Batan 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 Batan

This chart illustrates the average monthly humidity levels in Batan, 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 Batan 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 Batan

In Batan 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 Batan.

Maximum UV Index Levels in Batan for December

The chart shows the monthly maximum UV Index (UVI) for Batan 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 Batan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151413131313141110
Data source: Batan 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 Batan Compares to Other Months

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

This table compares monthly weather conditions in Batan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)252 mm (9.9 inches)68%extreme
February Weather23°C (74°F)138 mm (5.4 inches)68%extreme
March Weather23°C (75°F)141 mm (5.5 inches)66%extreme
April Weather25°C (77°F)172 mm (6.8 inches)67%extreme
May Weather25°C (78°F)430 mm (16.9 inches)69%extreme
June Weather25°C (78°F)370 mm (14.6 inches)84%extreme
July Weather25°C (77°F)496 mm (19.5 inches)85%extreme
August Weather25°C (78°F)352 mm (13.9 inches)82%extreme
September Weather25°C (78°F)240 mm (9.4 inches)81%extreme
October Weather25°C (77°F)354 mm (13.9 inches)80%extreme
November Weather25°C (76°F)416 mm (16.4 inches)80%extreme
December Weather24°C (75°F)342 mm (13.5 inches)72%very high

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