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December Weather in Haimen, China

Last updated: August 22, 2025

In December, the average temperature in Haimen, China hovers around 17°C (64°F), with a minimum of 9°C (49°F) and a pleasant maximum of 28°C (83°F). Expect about 36 mm (1.4 in) of precipitation over 4 days, contributing to an average humidity of 75%.

December Temperature in Haimen

In December in Haimen, the average temperature is 17°C (64°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 9°C (49°F). This mild climate makes it a pleasant time for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in Haimen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haimen, December typically has an average temperature of 17°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec606066727983858483777163
Data source: Temperature data for Haimen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Haimen

In Haimen in December, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

December Precipitation Trends in Haimen

The chart displays monthly precipitation patterns in Haimen, 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 Haimen, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec22346068133244155258135854036
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Haimen

In Haimen in December humidity is 75%. With an average temperature of 17°C (64°F), this humidity feels like you're walking through a warm, thick blanket, making outdoor activities a bit more strenuous and necessitating frequent hydration breaks while exploring the beautiful surroundings.

December Average Humidity in Haimen

This chart illustrates the average monthly humidity levels in Haimen, 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 Haimen is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%79%80%85%81%85%84%72%70%72%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Haimen

In Haimen in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Haimen.

Maximum UV Index Levels in Haimen for December

The chart shows the monthly maximum UV Index (UVI) for Haimen 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 Haimen typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131313121097
Data source: Haimen 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 Haimen Compares to Other Months

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

This table compares monthly weather conditions in Haimen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)22 mm (0.9 inches)71%high
February Weather16°C (61°F)34 mm (1.3 inches)73%very high
March Weather19°C (66°F)60 mm (2.3 inches)79%extreme
April Weather22°C (72°F)68 mm (2.7 inches)80%extreme
May Weather26°C (79°F)133 mm (5.2 inches)85%extreme
June Weather28°C (83°F)244 mm (9.6 inches)81%extreme
July Weather29°C (85°F)155 mm (6.1 inches)85%extreme
August Weather29°C (84°F)258 mm (10.2 inches)83%extreme
September Weather28°C (83°F)135 mm (5.3 inches)71%extreme
October Weather25°C (78°F)85 mm (3.3 inches)70%very high
November Weather21°C (71°F)40 mm (1.6 inches)72%very high
December Weather17°C (64°F)36 mm (1.4 inches)75%high

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