January Weather in Jawa, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Jawa, Indonesia is a comfortable 24°C (75°F). Expect a minimum of 20°C (69°F) and a maximum of 29°C (85°F). However, be prepared for 321 mm (12.6 in) of precipitation, experienced over 24 days, and a relatively high average humidity of 78%.

January Temperature in Jawa

In January in Jawa, the average temperature is 24°C (75°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 20°C (69°F). This pleasant climate makes Jawa an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates January temperature patterns in Jawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jawa, January typically has an average temperature of 24°C (75°F), with highs reaching up to 29°C (85°F) and lows dropping to around 20°C (69°F).

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

January Precipitation in Jawa

In Jawa in January, the total precipitation amount is 321 mm (12.6 in), spread over 24 days.

January Precipitation Trends in Jawa

The chart displays monthly precipitation patterns in Jawa, 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 Jawa, January typically receives around 321 mm (12.6 inches) of precipitation spread over approximately 24 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Jawa

In Jawa in January humidity is 78%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making travel sticky and heavy but also inviting, as long as you're prepared with plenty of water and light clothing.

January Average Humidity in Jawa

This chart illustrates the average monthly humidity levels in Jawa, 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 Jawa is approximately 78%, 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 Jawa

In Jawa in January, 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 Jawa.

Maximum UV Index Levels in Jawa for January

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

Data source: Jawa 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 Jawa Compares to Other Months

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

This table compares monthly weather conditions in Jawa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	321 mm (12.6 inches)	78%	extreme
February Weather	23°C (74°F)	349 mm (13.8 inches)	84%	extreme
March Weather	24°C (75°F)	394 mm (15.5 inches)	84%	extreme
April Weather	24°C (75°F)	225 mm (8.9 inches)	82%	extreme
May Weather	24°C (75°F)	96 mm (3.8 inches)	83%	extreme
June Weather	23°C (74°F)	52 mm (2.1 inches)	79%	extreme
July Weather	23°C (73°F)	22 mm (0.9 inches)	74%	extreme
August Weather	23°C (74°F)	18 mm (0.7 inches)	71%	extreme
September Weather	24°C (75°F)	44 mm (1.7 inches)	70%	extreme
October Weather	24°C (76°F)	91 mm (3.6 inches)	69%	extreme
November Weather	24°C (76°F)	282 mm (11.1 inches)	70%	extreme
December Weather	24°C (76°F)	359 mm (14.1 inches)	72%	extreme