December Weather in Kumai, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Kumai, Indonesia is a warm 27°C (80°F). Expect a minimum of 24°C (75°F) and a maximum of 33°C (91°F). With 270 mm (10.6 in) of precipitation over 29 days, you'll likely experience a fair amount of rain, contributing to an average humidity of 83%.

December Temperature in Kumai

In December in Kumai, the average temperature is 27°C (80°F), with maximums reaching up to 33°C (91°F) and minimums dropping to as low as 24°C (75°F). This mild climate makes Kumai an ideal destination for travelers seeking warmth and comfort.

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

The chart illustrates December temperature patterns in Kumai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kumai, December typically has an average temperature of 27°C (80°F), with highs reaching up to 33°C (91°F) and lows dropping to around 24°C (75°F).

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

December Precipitation in Kumai

In Kumai in December, the precipitation amount is 270 mm (10.6 in) spread over a period of 29 days.

December Precipitation Trends in Kumai

The chart displays monthly precipitation patterns in Kumai, 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 Kumai, December typically receives around 270 mm (10.6 inches) of precipitation spread over approximately 29 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 Kumai

In Kumai in December, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

December Average Humidity in Kumai

This chart illustrates the average monthly humidity levels in Kumai, 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 Kumai is approximately 83%, 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 Kumai

In Kumai 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 Kumai.

Maximum UV Index Levels in Kumai for December

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

Data source: Kumai 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 Kumai Compares to Other Months

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

This table compares monthly weather conditions in Kumai, 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 (80°F)	236 mm (9.3 inches)	86%	extreme
February Weather	27°C (81°F)	240 mm (9.4 inches)	86%	extreme
March Weather	27°C (81°F)	256 mm (10.1 inches)	86%	extreme
April Weather	27°C (81°F)	284 mm (11.2 inches)	84%	extreme
May Weather	27°C (82°F)	268 mm (10.5 inches)	83%	extreme
June Weather	27°C (81°F)	240 mm (9.4 inches)	85%	extreme
July Weather	27°C (80°F)	163 mm (6.4 inches)	85%	extreme
August Weather	27°C (80°F)	150 mm (5.9 inches)	85%	extreme
September Weather	27°C (81°F)	168 mm (6.6 inches)	79%	extreme
October Weather	27°C (81°F)	315 mm (12.4 inches)	80%	extreme
November Weather	27°C (81°F)	294 mm (11.6 inches)	80%	extreme
December Weather	27°C (80°F)	270 mm (10.6 inches)	83%	extreme