December Weather in Kotabaru, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Kotabaru, Indonesia hovers around 26°C (79°F), with lows of 21°C (71°F) and highs peaking at 34°C (93°F). Expect a decent amount of rainfall, totaling 310 mm (12.2 in) over 27 days, accompanied by high humidity levels at 88%. Perfect for those who enjoy a tropical climate!

December Temperature in Kotabaru

In December, in Kotabaru, the average temperature is 26°C (79°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 21°C (71°F). This pleasant weather makes Kotabaru an ideal destination for travelers seeking warmth and comfort.

December Weather in Kotabaru: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Kotabaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotabaru, December typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Kotabaru generated using information from the Copernicus Climate Change Service.

December Precipitation in Kotabaru

In Kotabaru in December, the precipitation amount is 310 mm (12.2 in) over the course of 27 days.

December Precipitation Trends in Kotabaru

The chart displays monthly precipitation patterns in Kotabaru, 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 Kotabaru, December typically receives around 310 mm (12.2 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Kotabaru

In Kotabaru in December, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

December Average Humidity in Kotabaru

This chart illustrates the average monthly humidity levels in Kotabaru, 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 Kotabaru is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kotabaru

In Kotabaru in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Kotabaru, you can check here.

Maximum UV Index Levels in Kotabaru for December

The chart shows the monthly maximum UV Index (UVI) for Kotabaru 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 Kotabaru typically reaches 14, which falls under the extreme exposure category.

Data source: Kotabaru 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 Kotabaru Compares to Other Months

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

This table compares monthly weather conditions in Kotabaru, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	196 mm (7.7 inches)	89%	extreme
February Weather	26°C (79°F)	215 mm (8.5 inches)	84%	extreme
March Weather	26°C (80°F)	336 mm (13.2 inches)	84%	extreme
April Weather	27°C (80°F)	344 mm (13.5 inches)	83%	extreme
May Weather	27°C (81°F)	308 mm (12.1 inches)	85%	extreme
June Weather	27°C (80°F)	201 mm (7.9 inches)	86%	extreme
July Weather	26°C (80°F)	175 mm (6.9 inches)	86%	extreme
August Weather	27°C (80°F)	163 mm (6.4 inches)	88%	extreme
September Weather	27°C (80°F)	254 mm (10.0 inches)	88%	extreme
October Weather	26°C (80°F)	332 mm (13.1 inches)	90%	extreme
November Weather	26°C (80°F)	397 mm (15.6 inches)	89%	extreme
December Weather	26°C (79°F)	310 mm (12.2 inches)	88%	extreme