January Weather in Haiyu, China

Last updated: August 23, 2025

In January, the average temperature in Haiyu, China hovers around 5°C (41°F). Expect a range where the minimum can dip to -8°C (18°F) and the maximum may reach up to 20°C (67°F). With 54 mm (2.1 in) of precipitation spread over 7 days, remember to pack your umbrella! The air tends to be quite humid, averaging around 70%, which adds to the overall character of this chilly month.

January Temperature in Haiyu

In January in Haiyu, the average temperature is 5°C (41°F). Maximums can reach 20°C (67°F), and minimums can drop as low as -8°C (18°F). Be sure to dress in layers to accommodate the wide range of temperatures during your travels.

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

The chart illustrates January temperature patterns in Haiyu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haiyu, January typically has an average temperature of 5°C (41°F), with highs reaching up to 20°C (67°F) and lows dropping to around -8°C (18°F).

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

January Precipitation in Haiyu

In Haiyu in January, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

January Precipitation Trends in Haiyu

The chart displays monthly precipitation patterns in Haiyu, 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 Haiyu, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 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 Haiyu

In Haiyu in January, humidity is 70%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that penetrates your clothes, making outdoor activities less enjoyable and requiring warm layers to stay comfortable while traveling.

January Average Humidity in Haiyu

This chart illustrates the average monthly humidity levels in Haiyu, 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 Haiyu is approximately 70%, 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 Haiyu

In Haiyu in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Haiyu.

Maximum UV Index Levels in Haiyu for January

The chart shows the monthly maximum UV Index (UVI) for Haiyu 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 Haiyu typically reaches 5, which falls under the moderate exposure category.

Data source: Haiyu 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 Haiyu Compares to Other Months

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

This table compares monthly weather conditions in Haiyu, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	54 mm (2.1 inches)	70%	moderate
February Weather	6°C (44°F)	56 mm (2.2 inches)	73%	high
March Weather	12°C (53°F)	68 mm (2.7 inches)	81%	very high
April Weather	16°C (61°F)	73 mm (2.9 inches)	87%	very high
May Weather	22°C (71°F)	120 mm (4.7 inches)	87%	very high
June Weather	25°C (77°F)	161 mm (6.3 inches)	89%	extreme
July Weather	29°C (84°F)	256 mm (10.1 inches)	93%	extreme
August Weather	29°C (85°F)	154 mm (6.1 inches)	91%	extreme
September Weather	25°C (77°F)	134 mm (5.3 inches)	81%	very high
October Weather	19°C (66°F)	46 mm (1.8 inches)	80%	very high
November Weather	14°C (57°F)	44 mm (1.7 inches)	82%	high
December Weather	7°C (45°F)	42 mm (1.6 inches)	77%	moderate