December Weather in Passo, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Passo, Indonesia is a warm 28°C (82°F), with daily lows reaching 26°C (78°F) and highs soaring to 30°C (86°F). However, prepare for heavy precipitation, as the region sees about 168 mm (6.6 in) of rainfall over 25 days. With an average humidity of 77%, it’s a month filled with warmth and moisture!

December Temperature in Passo

In December in Passo, the average temperature is 28°C (82°F), with maximums reaching 30°C (86°F) and minimums dipping as low as 26°C (78°F). It's an ideal time for travelers looking to enjoy warm, pleasant weather.

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

The chart illustrates December temperature patterns in Passo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passo, December typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 26°C (78°F).

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

December Precipitation in Passo

In Passo in December, the total precipitation amount reached 168 mm (6.6 in) over the course of 25 days.

December Precipitation Trends in Passo

The chart displays monthly precipitation patterns in Passo, 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 Passo, December typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 25 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 Passo

In Passo in December humidity is 77%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities sticky and exhausting, but also offers a lush vibrancy to the landscape, perfect for enjoying leisurely strolls in the early morning or late afternoon.

December Average Humidity in Passo

This chart illustrates the average monthly humidity levels in Passo, 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 Passo is approximately 77%, 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 Passo

In Passo 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 Passo, you can check here.

Maximum UV Index Levels in Passo for December

The chart shows the monthly maximum UV Index (UVI) for Passo 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 Passo typically reaches 14, which falls under the extreme exposure category.

Data source: Passo 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 Passo Compares to Other Months

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

This table compares monthly weather conditions in Passo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	146 mm (5.7 inches)	78%	extreme
February Weather	28°C (82°F)	133 mm (5.2 inches)	81%	extreme
March Weather	27°C (82°F)	217 mm (8.5 inches)	80%	extreme
April Weather	27°C (81°F)	229 mm (9.0 inches)	81%	extreme
May Weather	27°C (81°F)	310 mm (12.2 inches)	77%	extreme
June Weather	26°C (79°F)	293 mm (11.5 inches)	80%	extreme
July Weather	26°C (78°F)	260 mm (10.2 inches)	84%	extreme
August Weather	26°C (78°F)	121 mm (4.8 inches)	85%	extreme
September Weather	26°C (79°F)	130 mm (5.1 inches)	81%	extreme
October Weather	27°C (80°F)	88 mm (3.5 inches)	80%	extreme
November Weather	27°C (82°F)	106 mm (4.2 inches)	78%	extreme
December Weather	28°C (82°F)	168 mm (6.6 inches)	77%	extreme