January Weather in Sihaidian, China

Last updated: August 22, 2025

In January, the average temperature in Sihaidian, China hovers around -21°C (-5°F). Expect chilling lows that can plummet to -40°C (-40°F), while the occasional highs may reach up to -4°C (24°F). During this time, precipitation is minimal, with only 6 mm (0.2 in) recorded over just 1 day. The air is quite humid, averaging around 75%, adding to the frostiness of the season.

January Temperature in Sihaidian

In January in Sihaidian, average temperature is -21°C (-5°F). Maximum can reach -4°C (24°F) and minimum can be as low as -40°C (-40°F). Travelers should be prepared for extreme cold and dress accordingly to enjoy their visit.

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

The chart illustrates January temperature patterns in Sihaidian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihaidian, January typically has an average temperature of -21°C (-5°F), with highs reaching up to -4°C (24°F) and lows dropping to around -40°C (-40°F).

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

January Precipitation in Sihaidian

In Sihaidian in January, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

January Precipitation Trends in Sihaidian

The chart displays monthly precipitation patterns in Sihaidian, 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 Sihaidian, January typically receives around 6 mm (0.2 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 Sihaidian

In Sihaidian in January, humidity is 75%. With an average temperature of -21°C (-5°F), this humidity feels like a biting chill that wraps around you, making travel outside increasingly uncomfortable and forcing you to bundle up tightly against the cold, while the dampness seeps into your clothes, intensifying the sensation of frigid air against your skin.

January Average Humidity in Sihaidian

This chart illustrates the average monthly humidity levels in Sihaidian, 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 Sihaidian is approximately 75%, 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 Sihaidian

In Sihaidian in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sihaidian, you can visit Hourly UV Index in Sihaidian.

Maximum UV Index Levels in Sihaidian for January

The chart shows the monthly maximum UV Index (UVI) for Sihaidian 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 Sihaidian typically reaches 2, which falls under the low exposure category.

Data source: Sihaidian 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 Sihaidian Compares to Other Months

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

This table compares monthly weather conditions in Sihaidian, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-5°F)	6 mm (0.2 inches)	75%	low
February Weather	-16°C (4°F)	7 mm (0.3 inches)	70%	moderate
March Weather	-4°C (25°F)	15 mm (0.6 inches)	63%	moderate
April Weather	6°C (43°F)	35 mm (1.4 inches)	59%	high
May Weather	14°C (57°F)	82 mm (3.2 inches)	61%	high
June Weather	18°C (65°F)	148 mm (5.8 inches)	79%	very high
July Weather	23°C (73°F)	196 mm (7.7 inches)	84%	very high
August Weather	20°C (68°F)	192 mm (7.6 inches)	87%	very high
September Weather	14°C (58°F)	119 mm (4.7 inches)	85%	high
October Weather	5°C (42°F)	30 mm (1.2 inches)	80%	moderate
November Weather	-7°C (20°F)	25 mm (1.0 inches)	61%	low
December Weather	-18°C (-1°F)	10 mm (0.4 inches)	60%	low