January Weather in Sulu, China

Last updated: August 23, 2025

In January, the average temperature in Sulu, China hovers around -18°C (0°F), with temperatures dipping as low as -41°C (-42°F) and occasionally rising to a maximum of 1°C (34°F). Expect a modest precipitation amount of 8 mm (0.3 in) over just 1 day, accompanied by an average humidity level of 68%. Stay warm and prepared for the chill!

January Temperature in Sulu

In January in Sulu, the average temperature is -18°C (0°F). Maximums can reach 1°C (34°F), and minimums can be as low as -41°C (-42°F). Travelers should be prepared for extreme cold and ensure they have appropriate winter gear to enjoy their visit safely.

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

The chart illustrates January temperature patterns in Sulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulu, January typically has an average temperature of -18°C (0°F), with highs reaching up to 1°C (34°F) and lows dropping to around -41°C (-42°F).

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

January Precipitation in Sulu

In Sulu in January, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

January Precipitation Trends in Sulu

The chart displays monthly precipitation patterns in Sulu, 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 Sulu, January typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 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 Sulu

In Sulu in January, humidity is 68%. With an average temperature of -18°C (0°F), this humidity feels like a biting chill that penetrates your layers, making travel outside a test of endurance and willpower.

January Average Humidity in Sulu

This chart illustrates the average monthly humidity levels in Sulu, 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 Sulu is approximately 68%, 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 Sulu

In Sulu in January, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sulu.

Maximum UV Index Levels in Sulu for January

The chart shows the monthly maximum UV Index (UVI) for Sulu 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 Sulu typically reaches 7, which falls under the high exposure category.

Data source: Sulu 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 Sulu Compares to Other Months

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

This table compares monthly weather conditions in Sulu, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	8 mm (0.3 inches)	68%	high
February Weather	-15°C (6°F)	15 mm (0.6 inches)	78%	very high
March Weather	-11°C (12°F)	20 mm (0.8 inches)	72%	extreme
April Weather	-6°C (22°F)	27 mm (1.0 inches)	70%	extreme
May Weather	0°C (33°F)	72 mm (2.8 inches)	81%	extreme
June Weather	5°C (42°F)	126 mm (5.0 inches)	86%	extreme
July Weather	9°C (48°F)	148 mm (5.8 inches)	87%	extreme
August Weather	9°C (48°F)	156 mm (6.1 inches)	87%	extreme
September Weather	6°C (42°F)	133 mm (5.2 inches)	88%	extreme
October Weather	-2°C (28°F)	58 mm (2.3 inches)	76%	extreme
November Weather	-14°C (7°F)	16 mm (0.6 inches)	69%	very high
December Weather	-18°C (0°F)	13 mm (0.5 inches)	69%	high