December Weather in Sitiarjo, Indonesia

Last updated: August 23, 2025

In Sitiarjo, Indonesia, the average temperature in December is a pleasant 27°C (81°F). Expect temperatures to range from a minimum of 24°C (76°F) to a maximum of 30°C (86°F). However, be prepared for frequent rain, as the area sees about 237 mm (9.3 in) of precipitation over 29 days. With an average humidity of 76%, it’s best to stay hydrated and enjoy the lush lifestyle this climate offers!

December Temperature in Sitiarjo

In December in Sitiarjo, the average temperature is 27°C (81°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 24°C (76°F). It's a great time to visit for those who enjoy warm, pleasant weather.

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

The chart illustrates December temperature patterns in Sitiarjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sitiarjo, December typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (76°F).

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

December Precipitation in Sitiarjo

In Sitiarjo in December, the precipitation amount is 237 mm (9.3 in) spread over 29 days.

December Precipitation Trends in Sitiarjo

The chart displays monthly precipitation patterns in Sitiarjo, 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 Sitiarjo, December typically receives around 237 mm (9.3 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 Sitiarjo

In Sitiarjo in December, humidity is 76%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel stifling and sweat-inducing, which can be challenging for traveling.

December Average Humidity in Sitiarjo

This chart illustrates the average monthly humidity levels in Sitiarjo, 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 Sitiarjo is approximately 76%, 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 Sitiarjo

In Sitiarjo in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Sitiarjo.

Maximum UV Index Levels in Sitiarjo for December

The chart shows the monthly maximum UV Index (UVI) for Sitiarjo 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 Sitiarjo typically reaches 15, which falls under the extreme exposure category.

Data source: Sitiarjo 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 Sitiarjo Compares to Other Months

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

This table compares monthly weather conditions in Sitiarjo, 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)	248 mm (9.8 inches)	79%	extreme
February Weather	27°C (81°F)	219 mm (8.6 inches)	83%	extreme
March Weather	27°C (81°F)	232 mm (9.1 inches)	82%	extreme
April Weather	27°C (81°F)	106 mm (4.2 inches)	80%	extreme
May Weather	27°C (80°F)	76 mm (3.0 inches)	81%	extreme
June Weather	25°C (78°F)	102 mm (4.0 inches)	79%	very high
July Weather	24°C (76°F)	67 mm (2.6 inches)	77%	extreme
August Weather	24°C (75°F)	65 mm (2.6 inches)	77%	extreme
September Weather	24°C (76°F)	75 mm (2.9 inches)	77%	extreme
October Weather	25°C (78°F)	97 mm (3.8 inches)	76%	extreme
November Weather	26°C (80°F)	268 mm (10.5 inches)	76%	extreme
December Weather	27°C (81°F)	237 mm (9.3 inches)	76%	extreme