December Weather in Haishiwan, China

Last updated: August 23, 2025

In Haishiwan, China, the average temperature in December hovers around -8°C (19°F). Temperatures can dip as low as -27°C (-17°F), while occasionally reaching a high of 10°C (50°F). Expect minimal precipitation, with only 6 mm (0.2 in) over the course of 1 day. The average humidity stands at a moderate 67%, creating a crisp winter atmosphere.

December Temperature in Haishiwan

In December in Haishiwan, the average temperature is -8°C (19°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -27°C (-17°F). Travelers should prepare for cold conditions and potential temperature fluctuations when visiting during this time.

December Weather in Haishiwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Haishiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haishiwan, December typically has an average temperature of -8°C (19°F), with highs reaching up to 10°C (50°F) and lows dropping to around -27°C (-17°F).

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

December Precipitation in Haishiwan

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

December Precipitation Trends in Haishiwan

The chart displays monthly precipitation patterns in Haishiwan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Haishiwan, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Haishiwan

In Haishiwan in December, humidity is 67%. With an average temperature of -8°C (19°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.

December Average Humidity in Haishiwan

This chart illustrates the average monthly humidity levels in Haishiwan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Haishiwan is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Haishiwan

In Haishiwan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Haishiwan, you can check the information here.

Maximum UV Index Levels in Haishiwan for December

The chart shows the monthly maximum UV Index (UVI) for Haishiwan in December, 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 December, the maximum UV index in Haishiwan typically reaches 3, which falls under the moderate exposure category.

Data source: Haishiwan December 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 December Weather in Haishiwan Compares to Other Months

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

This table compares monthly weather conditions in Haishiwan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	7 mm (0.3 inches)	69%	moderate
February Weather	-5°C (24°F)	8 mm (0.3 inches)	73%	moderate
March Weather	3°C (37°F)	18 mm (0.7 inches)	73%	very high
April Weather	8°C (46°F)	58 mm (2.3 inches)	74%	very high
May Weather	12°C (54°F)	78 mm (3.1 inches)	59%	extreme
June Weather	16°C (61°F)	74 mm (2.9 inches)	69%	extreme
July Weather	19°C (66°F)	95 mm (3.7 inches)	65%	extreme
August Weather	17°C (63°F)	123 mm (4.8 inches)	68%	extreme
September Weather	13°C (55°F)	96 mm (3.8 inches)	76%	very high
October Weather	6°C (44°F)	49 mm (1.9 inches)	81%	very high
November Weather	-1°C (30°F)	15 mm (0.6 inches)	75%	moderate
December Weather	-8°C (19°F)	6 mm (0.2 inches)	67%	moderate