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December Weather in Sepulu, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Sepulu, Indonesia is a warm 28°C (82°F). Expect minimums around 25°C (78°F) and highs up to 32°C (89°F). The region experiences significant precipitation, with an average of 353 mm (13.9 in) spread across 29 days, leading to a humid atmosphere with an average humidity of 75%.

December Temperature in Sepulu

In December in Sepulu, the average temperature is 28°C (82°F). Maximums can reach 32°C (89°F), while minimums can be as low as 25°C (78°F). This makes it an ideal time for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates December temperature patterns in Sepulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sepulu, December typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (89°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181828382818182838282
Data source: Temperature data for Sepulu 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 Sepulu

In Sepulu in December, the total precipitation amount is 353 mm (13.9 in) spread over 29 days.

December Precipitation Trends in Sepulu

The chart displays monthly precipitation patterns in Sepulu, 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 Sepulu, December typically receives around 353 mm (13.9 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec32535034122090681881991251353
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sepulu

In Sepulu in December humidity is 75%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping embrace that can quickly leave travelers feeling sticky and fatigued. It can make outdoor activities challenging, as sweat doesn’t evaporate easily, leading to a constant struggle between comfort and the desire to explore.

December Average Humidity in Sepulu

This chart illustrates the average monthly humidity levels in Sepulu, 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 Sepulu is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%83%80%81%80%78%74%72%72%73%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sepulu

In Sepulu 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 Sepulu, you can check here.

Maximum UV Index Levels in Sepulu for December

The chart shows the monthly maximum UV Index (UVI) for Sepulu 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 Sepulu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141615141311111314141414
Data source: Sepulu 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 Sepulu Compares to Other Months

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

This table compares monthly weather conditions in Sepulu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)325 mm (12.8 inches)81%extreme
February Weather27°C (81°F)350 mm (13.8 inches)85%extreme
March Weather27°C (82°F)341 mm (13.4 inches)83%extreme
April Weather28°C (83°F)220 mm (8.7 inches)80%extreme
May Weather28°C (83°F)90 mm (3.5 inches)81%extreme
June Weather28°C (82°F)68 mm (2.7 inches)80%extreme
July Weather27°C (81°F)18 mm (0.7 inches)78%extreme
August Weather27°C (81°F)8 mm (0.3 inches)74%extreme
September Weather28°C (82°F)19 mm (0.7 inches)72%extreme
October Weather28°C (83°F)91 mm (3.6 inches)72%extreme
November Weather28°C (83°F)251 mm (9.9 inches)73%extreme
December Weather28°C (82°F)353 mm (13.9 inches)75%extreme

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