December Weather in Hai'an, China

Last updated: August 23, 2025

The average temperature in Hai'an, China during December hovers around 20°C (68°F). Expect a minimum of 11°C (52°F) and a comfortable maximum of 26°C (80°F). Rainfall is modest, with 21 mm (0.8 in) expected over about 4 days, alongside an average humidity of 72%. Enjoy the mild weather!

December Temperature in Hai'an

In December in Hai'an, the average temperature is 20°C (68°F). The maximum can reach 26°C (80°F), while the minimum can be as low as 11°C (52°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Hai'an.

December Weather in Hai'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hai'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hai'an, December typically has an average temperature of 20°C (68°F), with highs reaching up to 26°C (80°F) and lows dropping to around 11°C (52°F).

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

December Precipitation in Hai'an

In Hai'an in December, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

December Precipitation Trends in Hai'an

The chart displays monthly precipitation patterns in Hai'an, 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 Hai'an, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 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 Hai'an

In Hai'an in December humidity is 72%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket enveloping you, making every step slightly more laborious and the air thick with moisture, which can be uncomfortable for traveling.

December Average Humidity in Hai'an

This chart illustrates the average monthly humidity levels in Hai'an, 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 Hai'an is approximately 72%, 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 Hai'an

In Hai'an in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hai'an.

Maximum UV Index Levels in Hai'an for December

The chart shows the monthly maximum UV Index (UVI) for Hai'an 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 Hai'an typically reaches 8, which falls under the very high exposure category.

Data source: Hai'an 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 Hai'an Compares to Other Months

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

This table compares monthly weather conditions in Hai'an, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	16 mm (0.6 inches)	66%	very high
February Weather	19°C (67°F)	37 mm (1.5 inches)	69%	very high
March Weather	23°C (73°F)	24 mm (1.0 inches)	72%	extreme
April Weather	25°C (77°F)	80 mm (3.1 inches)	71%	extreme
May Weather	28°C (82°F)	91 mm (3.6 inches)	76%	extreme
June Weather	29°C (85°F)	147 mm (5.8 inches)	78%	extreme
July Weather	29°C (85°F)	178 mm (7.0 inches)	87%	extreme
August Weather	29°C (84°F)	284 mm (11.2 inches)	87%	extreme
September Weather	28°C (83°F)	188 mm (7.4 inches)	80%	extreme
October Weather	26°C (79°F)	207 mm (8.1 inches)	74%	extreme
November Weather	23°C (74°F)	35 mm (1.4 inches)	71%	very high
December Weather	20°C (68°F)	21 mm (0.8 inches)	72%	very high