January Weather in Ullong, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Ullong, Indonesia is a pleasant 22°C (71°F), with a minimum of 18°C (65°F) and a comfortable maximum reaching 27°C (81°F). However, be prepared for some rain, as precipitation averages 739 mm (29.1 in) over about 24 days, contributing to a high average humidity of 81%.

January Temperature in Ullong

In January in Ullong, the average temperature is 22°C (71°F), with a maximum that can reach 27°C (81°F) and a minimum that can dip to 18°C (65°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates January temperature patterns in Ullong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullong, January typically has an average temperature of 22°C (71°F), with highs reaching up to 27°C (81°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Ullong

In Ullong in January, the precipitation amount is 739 mm (29.1 in) over the course of 24 days.

January Precipitation Trends in Ullong

The chart displays monthly precipitation patterns in Ullong, 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 Ullong, January typically receives around 739 mm (29.1 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 Ullong

In Ullong in January humidity is 81%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat challenging but offering a tropical ambiance perfect for exploring shaded areas and enjoying refreshing drinks.

January Average Humidity in Ullong

This chart illustrates the average monthly humidity levels in Ullong, 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 Ullong is approximately 81%, 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 Ullong

In Ullong in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Ullong.

Maximum UV Index Levels in Ullong for January

The chart shows the monthly maximum UV Index (UVI) for Ullong 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 Ullong typically reaches 16, which falls under the extreme exposure category.

Data source: Ullong 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 Ullong Compares to Other Months

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

This table compares monthly weather conditions in Ullong, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	739 mm (29.1 inches)	81%	extreme
February Weather	21°C (71°F)	946 mm (37.2 inches)	83%	extreme
March Weather	21°C (71°F)	1261 mm (49.7 inches)	80%	extreme
April Weather	22°C (71°F)	1109 mm (43.7 inches)	83%	extreme
May Weather	22°C (71°F)	689 mm (27.1 inches)	80%	extreme
June Weather	21°C (70°F)	359 mm (14.1 inches)	82%	extreme
July Weather	21°C (70°F)	400 mm (15.8 inches)	83%	extreme
August Weather	21°C (70°F)	376 mm (14.8 inches)	85%	extreme
September Weather	21°C (70°F)	431 mm (17.0 inches)	83%	extreme
October Weather	21°C (71°F)	570 mm (22.5 inches)	82%	extreme
November Weather	22°C (71°F)	838 mm (33.0 inches)	82%	extreme
December Weather	22°C (71°F)	1089 mm (42.9 inches)	80%	extreme