December Weather in Isimu, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Isimu, Indonesia hovers around 27°C (81°F). Expect a comfortable minimum of 23°C (73°F) and the occasional peak at 33°C (92°F). With an average humidity of 78%, it's a muggy month, accompanied by significant rainfall—about 277 mm (10.9 in) spread over 28 days.

December Temperature in Isimu

In December in Isimu, the average temperature is 27°C (81°F). Maximums can reach 33°C (92°F) and minimums can be as low as 23°C (73°F). This makes it an ideal time for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Isimu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isimu, December typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (73°F).

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

December Precipitation in Isimu

In Isimu in December, the total precipitation amount is 277 mm (10.9 in) spread over a duration of 28 days.

December Precipitation Trends in Isimu

The chart displays monthly precipitation patterns in Isimu, 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 Isimu, December typically receives around 277 mm (10.9 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 Isimu

In Isimu in December humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

December Average Humidity in Isimu

This chart illustrates the average monthly humidity levels in Isimu, 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 Isimu is approximately 78%, 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 Isimu

In Isimu 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 Isimu.

Maximum UV Index Levels in Isimu for December

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

Data source: Isimu 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 Isimu Compares to Other Months

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

This table compares monthly weather conditions in Isimu, 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 (80°F)	254 mm (10.0 inches)	80%	extreme
February Weather	26°C (80°F)	207 mm (8.2 inches)	84%	extreme
March Weather	27°C (80°F)	281 mm (11.1 inches)	84%	extreme
April Weather	27°C (80°F)	365 mm (14.4 inches)	82%	extreme
May Weather	27°C (81°F)	293 mm (11.6 inches)	76%	extreme
June Weather	26°C (80°F)	250 mm (9.8 inches)	78%	extreme
July Weather	26°C (80°F)	202 mm (7.9 inches)	80%	extreme
August Weather	27°C (81°F)	134 mm (5.3 inches)	82%	extreme
September Weather	27°C (81°F)	168 mm (6.6 inches)	80%	extreme
October Weather	27°C (81°F)	189 mm (7.4 inches)	78%	extreme
November Weather	27°C (81°F)	312 mm (12.3 inches)	77%	extreme
December Weather	27°C (81°F)	277 mm (10.9 inches)	78%	extreme