January Weather in Sihai, China

Last updated: August 22, 2025

In January, the average temperature in Sihai, China hovers around -6°C (21°F). While you might experience chilly dips with a minimum of -23°C (-10°F), the highs can reach a mild 9°C (49°F). Precipitation is minimal, with only 2 mm (0.1 in) expected over 0 days, and the average humidity sits at a comfortable 65%.

January Temperature in Sihai

In January in Sihai, the average temperature is -6°C (21°F). The maximum can reach 9°C (49°F), while the minimum can drop as low as -23°C (-10°F). Be prepared for cold weather and bundle up if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Sihai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihai, January typically has an average temperature of -6°C (21°F), with highs reaching up to 9°C (49°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Sihai

In Sihai in January, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

January Precipitation Trends in Sihai

The chart displays monthly precipitation patterns in Sihai, 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 Sihai, January typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Sihai

In Sihai in January humidity is 65%. With an average temperature of -6°C (21°F), this humidity feels like a biting chill that penetrates layers of clothing, making travel a brisk and invigorating experience, but one that requires preparation to stay warm and comfortable.

January Average Humidity in Sihai

This chart illustrates the average monthly humidity levels in Sihai, 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 Sihai is approximately 65%, 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 Sihai

In Sihai 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 Sihai, you can visit Hourly UV Index in Sihai.

Maximum UV Index Levels in Sihai for January

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

Data source: Sihai 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 Sihai Compares to Other Months

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

This table compares monthly weather conditions in Sihai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	2 mm (0.1 inches)	65%	low
February Weather	-3°C (27°F)	8 mm (0.3 inches)	59%	moderate
March Weather	5°C (42°F)	19 mm (0.7 inches)	52%	moderate
April Weather	12°C (55°F)	22 mm (0.9 inches)	56%	very high
May Weather	19°C (66°F)	29 mm (1.1 inches)	56%	very high
June Weather	23°C (74°F)	63 mm (2.5 inches)	68%	very high
July Weather	25°C (77°F)	262 mm (10.3 inches)	78%	very high
August Weather	24°C (75°F)	197 mm (7.8 inches)	83%	very high
September Weather	19°C (67°F)	75 mm (2.9 inches)	74%	very high
October Weather	10°C (51°F)	37 mm (1.5 inches)	74%	high
November Weather	2°C (37°F)	18 mm (0.7 inches)	58%	moderate
December Weather	-5°C (24°F)	3 mm (0.1 inches)	60%	low