January Weather in Cilacap, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Cilacap, Indonesia is a pleasant 27°C (81°F), with a minimum of 25°C (77°F) and a maximum reaching 30°C (86°F). However, be prepared for some rain, as the area receives an average precipitation of 281 mm (11.1 in) over 23 days. With average humidity at a notable 84%, it’s a time to enjoy the warmth while staying refreshed!

January Temperature in Cilacap

In January in Cilacap, the average temperature is 27°C (81°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 25°C (77°F). It's a perfect time to visit Cilacap for warm and pleasant weather!

January Weather in Cilacap: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cilacap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cilacap, January typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (77°F).

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

January Precipitation in Cilacap

In Cilacap in January, the precipitation amount is 281 mm (11.1 in) spread over 23 days.

January Precipitation Trends in Cilacap

The chart displays monthly precipitation patterns in Cilacap, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Cilacap, January typically receives around 281 mm (11.1 inches) of precipitation spread over approximately 23 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Cilacap

In Cilacap in January humidity is 84%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, moist blanket, making travel uncomfortable and sticky, as every step seems to weigh you down with the heavy air.

January Average Humidity in Cilacap

This chart illustrates the average monthly humidity levels in Cilacap, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Cilacap is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cilacap

In Cilacap in January, 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 Cilacap, you can check here.

Maximum UV Index Levels in Cilacap for January

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

Data source: Cilacap January 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 January Weather in Cilacap Compares to Other Months

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

This table compares monthly weather conditions in Cilacap, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	281 mm (11.1 inches)	84%	extreme
February Weather	27°C (81°F)	211 mm (8.3 inches)	87%	extreme
March Weather	27°C (81°F)	351 mm (13.8 inches)	85%	extreme
April Weather	27°C (81°F)	189 mm (7.5 inches)	82%	extreme
May Weather	27°C (81°F)	166 mm (6.5 inches)	81%	extreme
June Weather	26°C (80°F)	161 mm (6.3 inches)	81%	very high
July Weather	26°C (78°F)	69 mm (2.7 inches)	79%	extreme
August Weather	25°C (77°F)	64 mm (2.5 inches)	76%	extreme
September Weather	25°C (78°F)	121 mm (4.7 inches)	72%	extreme
October Weather	26°C (79°F)	206 mm (8.1 inches)	74%	extreme
November Weather	27°C (80°F)	433 mm (17.0 inches)	78%	extreme
December Weather	27°C (81°F)	374 mm (14.7 inches)	78%	extreme