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December Weather in Siak Sri Indrapura, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Siak Sri Indrapura, Indonesia hovers around 27°C (81°F), with lows of 23°C (74°F) and highs reaching up to 34°C (94°F). Expect frequent rainfall, as precipitation averages 248 mm (9.8 in) over 26 days, contributing to a high average humidity of 89%. Prepare for a tropical climate that keeps you feeling warm and steamy!

December Temperature in Siak Sri Indrapura

In December in Siak Sri Indrapura, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 23°C (74°F). This mild climate makes Siak Sri Indrapura an ideal destination for travelers seeking a warm getaway.

December Weather in Siak Sri Indrapura: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Siak Sri Indrapura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siak Sri Indrapura, December typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181818281818181818080
Data source: Temperature data for Siak Sri Indrapura 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 Siak Sri Indrapura

In Siak Sri Indrapura in December, the precipitation amount is 248 mm (9.8 in) spread over the course of 26 days.

December Precipitation Trends in Siak Sri Indrapura

The chart displays monthly precipitation patterns in Siak Sri Indrapura, 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 Siak Sri Indrapura, December typically receives around 248 mm (9.8 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec150127247244223166116134187231329248
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Siak Sri Indrapura

In Siak Sri Indrapura in December humidity is 89%. With an average temperature of 27°C (81°F), this humidity feels like a wet blanket enveloping you, making outdoor activities challenging and travel a little less comfortable.

December Average Humidity in Siak Sri Indrapura

This chart illustrates the average monthly humidity levels in Siak Sri Indrapura, 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 Siak Sri Indrapura is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%82%84%87%88%88%90%89%90%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Siak Sri Indrapura

In Siak Sri Indrapura 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 Siak Sri Indrapura.

Maximum UV Index Levels in Siak Sri Indrapura for December

The chart shows the monthly maximum UV Index (UVI) for Siak Sri Indrapura 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 Siak Sri Indrapura typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516151412121414141313
Data source: Siak Sri Indrapura 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 Siak Sri Indrapura Compares to Other Months

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

This table compares monthly weather conditions in Siak Sri Indrapura, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)149 mm (5.9 inches)87%extreme
February Weather27°C (81°F)127 mm (5.0 inches)81%extreme
March Weather27°C (81°F)247 mm (9.7 inches)82%extreme
April Weather27°C (82°F)244 mm (9.6 inches)84%extreme
May Weather28°C (82°F)223 mm (8.8 inches)87%extreme
June Weather27°C (82°F)166 mm (6.5 inches)88%extreme
July Weather27°C (82°F)116 mm (4.6 inches)88%extreme
August Weather27°C (82°F)134 mm (5.3 inches)90%extreme
September Weather27°C (81°F)187 mm (7.4 inches)89%extreme
October Weather27°C (81°F)231 mm (9.1 inches)90%extreme
November Weather27°C (81°F)329 mm (13.0 inches)90%extreme
December Weather27°C (81°F)248 mm (9.8 inches)89%extreme

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