December Weather in Sibolga, Indonesia

Last updated: August 23, 2025

In Sibolga, Indonesia, the average temperature in December hovers around 26°C (78°F), with a comfortable minimum of 22°C (73°F) and a warm maximum reaching 30°C (87°F). Prepare for a wet season, as precipitation totals 467 mm (18.4 in) over 27 days, contributing to a high humidity level of 85%.

December Temperature in Sibolga

In December in Sibolga, the average temperature is 26°C (78°F). Maximums can reach 30°C (87°F), while minimums can drop to as low as 22°C (73°F). This mild and pleasant weather makes it an ideal time for traveling.

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

The chart illustrates December temperature patterns in Sibolga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sibolga, December typically has an average temperature of 26°C (78°F), with highs reaching up to 30°C (87°F) and lows dropping to around 22°C (73°F).

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

December Precipitation in Sibolga

In Sibolga in December, the precipitation amount is 467 mm (18.4 in) over the course of 27 days.

December Precipitation Trends in Sibolga

The chart displays monthly precipitation patterns in Sibolga, 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 Sibolga, December typically receives around 467 mm (18.4 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 Sibolga

In Sibolga in December, humidity is 85%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket enveloping you, making every step feel laborious and sweat trickling down your back, which can be quite challenging for traveling.

December Average Humidity in Sibolga

This chart illustrates the average monthly humidity levels in Sibolga, 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 Sibolga is approximately 85%, 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 Sibolga

In Sibolga in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sibolga.

Maximum UV Index Levels in Sibolga for December

The chart shows the monthly maximum UV Index (UVI) for Sibolga 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 Sibolga typically reaches 13, which falls under the extreme exposure category.

Data source: Sibolga 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 Sibolga Compares to Other Months

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

This table compares monthly weather conditions in Sibolga, 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)	280 mm (11.0 inches)	81%	extreme
February Weather	26°C (79°F)	278 mm (10.9 inches)	75%	extreme
March Weather	26°C (79°F)	469 mm (18.5 inches)	78%	extreme
April Weather	26°C (79°F)	418 mm (16.5 inches)	80%	extreme
May Weather	26°C (80°F)	324 mm (12.8 inches)	83%	extreme
June Weather	26°C (80°F)	174 mm (6.8 inches)	84%	extreme
July Weather	26°C (79°F)	250 mm (9.8 inches)	83%	extreme
August Weather	26°C (78°F)	236 mm (9.3 inches)	86%	extreme
September Weather	25°C (78°F)	362 mm (14.3 inches)	87%	extreme
October Weather	25°C (78°F)	389 mm (15.3 inches)	88%	extreme
November Weather	25°C (78°F)	585 mm (23.0 inches)	87%	extreme
December Weather	26°C (78°F)	467 mm (18.4 inches)	85%	extreme