December Weather in Ulu, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Ulu, Indonesia hovers around 27°C (81°F), with a comfortable range between a minimum of 25°C (77°F) and a maximum of 29°C (85°F). However, prepare for 286 mm (11.3 in) of precipitation over 28 days, contributing to an average humidity of 75%. Embrace the tropical vibe while staying hydrated!

December Temperature in Ulu

In December in Ulu, the average temperature is 27°C (81°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes Ulu an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates December temperature patterns in Ulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulu, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

December Precipitation in Ulu

In Ulu in December, the precipitation amount is 286 mm (11.3 in) recorded over a span of 28 days.

December Precipitation Trends in Ulu

The chart displays monthly precipitation patterns in Ulu, 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 Ulu, December typically receives around 286 mm (11.3 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 Ulu

In Ulu in December, humidity is 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

December Average Humidity in Ulu

This chart illustrates the average monthly humidity levels in Ulu, 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 Ulu is approximately 75%, 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 Ulu

In Ulu in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Ulu.

Maximum UV Index Levels in Ulu for December

The chart shows the monthly maximum UV Index (UVI) for Ulu 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 Ulu typically reaches 12, which falls under the extreme exposure category.

Data source: Ulu 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 Ulu Compares to Other Months

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

This table compares monthly weather conditions in Ulu, 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)	296 mm (11.7 inches)	78%	extreme
February Weather	27°C (81°F)	180 mm (7.1 inches)	83%	extreme
March Weather	27°C (81°F)	267 mm (10.5 inches)	82%	extreme
April Weather	27°C (81°F)	165 mm (6.5 inches)	80%	extreme
May Weather	28°C (82°F)	233 mm (9.2 inches)	74%	extreme
June Weather	27°C (81°F)	314 mm (12.4 inches)	74%	extreme
July Weather	27°C (81°F)	272 mm (10.7 inches)	75%	extreme
August Weather	27°C (81°F)	180 mm (7.1 inches)	76%	extreme
September Weather	27°C (81°F)	185 mm (7.3 inches)	77%	extreme
October Weather	27°C (82°F)	173 mm (6.8 inches)	75%	extreme
November Weather	27°C (81°F)	264 mm (10.4 inches)	74%	extreme
December Weather	27°C (81°F)	286 mm (11.3 inches)	75%	extreme