December Weather in Muara Siberut, Indonesia

Last updated: August 23, 2025

In Muara Siberut, Indonesia, the average temperature in December is a warm 27°C (80°F). While it can dip to a comfortable 24°C (76°F), temperatures can peak at 30°C (87°F). Expect significant rainfall, with an average precipitation of 311 mm (12.2 in) spread across 28 days. The atmosphere is quite humid, with an average humidity level of 79%.

December Temperature in Muara Siberut

In December in Muara Siberut, the average temperature is 27°C (80°F), with a maximum that can reach 30°C (87°F) and a minimum that can drop as low as 24°C (76°F). This pleasant temperature range makes it an ideal time for travelers to enjoy outdoor activities and explore the area's attractions.

December Weather in Muara Siberut: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Muara Siberut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muara Siberut, December typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (87°F) and lows dropping to around 24°C (76°F).

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

December Precipitation in Muara Siberut

In Muara Siberut in December, the precipitation amount is 311 mm (12.2 in) over the course of 28 days.

December Precipitation Trends in Muara Siberut

The chart displays monthly precipitation patterns in Muara Siberut, 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 Muara Siberut, December typically receives around 311 mm (12.2 inches) of precipitation spread over approximately 28 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 Muara Siberut

In Muara Siberut in December humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

December Average Humidity in Muara Siberut

This chart illustrates the average monthly humidity levels in Muara Siberut, 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 Muara Siberut is approximately 79%, 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 Muara Siberut

In Muara Siberut 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 Muara Siberut, you can check here.

Maximum UV Index Levels in Muara Siberut for December

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

Data source: Muara Siberut 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 Muara Siberut Compares to Other Months

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

This table compares monthly weather conditions in Muara Siberut, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	173 mm (6.8 inches)	79%	extreme
February Weather	27°C (81°F)	220 mm (8.7 inches)	76%	extreme
March Weather	27°C (81°F)	284 mm (11.2 inches)	77%	extreme
April Weather	27°C (81°F)	328 mm (12.9 inches)	74%	extreme
May Weather	27°C (82°F)	269 mm (10.6 inches)	74%	extreme
June Weather	27°C (81°F)	230 mm (9.1 inches)	74%	extreme
July Weather	27°C (81°F)	274 mm (10.8 inches)	74%	extreme
August Weather	27°C (80°F)	326 mm (12.8 inches)	79%	extreme
September Weather	26°C (80°F)	332 mm (13.1 inches)	82%	extreme
October Weather	26°C (80°F)	330 mm (13.0 inches)	83%	extreme
November Weather	26°C (79°F)	390 mm (15.4 inches)	82%	extreme
December Weather	27°C (80°F)	311 mm (12.2 inches)	79%	extreme