ClimateForecastNovemberDecember >>

Haimen Climate by Month

The temperature in Haimen can vary greatly throughout the year. The temperatures shift from very warm to cold. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Haimen. Average daytime temperatures reach a very warm 33°C in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C. At night, expect cooler temperatures, averaging 2°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Haimen has a relatively rain/snowy climate with high precipitation levels, averaging 1296 mm of rain/snowfall annually. Haimen can be quite wet during June, receiving approximately 244 mm of precipitation over 14 rainy days. In contrast December, experiences much drier conditions, with 41 mm of rainfall, spread across 10 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Haimen can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 8.2 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 4.0 hours of sunlight per day.

Monthly hours of sunshine

Data from: Zhangjiagang, China (58 KM, 36 Miles).

Daily hours of sunshine

Data from: Zhangjiagang, China (58 KM, 36 Miles).

The best time of year to visit Haimen in China

During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Haimen?
    Most rainfall (rainy season) is seen in June, July and August.
  • Which is the warmest month in Haimen?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Haimen?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Haimen?
    June tops the wettest month list with 244 mm of rainfall.
  • Which is the driest month in Haimen?
    December is the driest month with 41 mm of precipitation.
  • Which is the sunniest month in Haimen?
    August is the sunniest month with an average of 245 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Haimen

    Thu   Nov 21
    16°C | 6°C
    NW 11 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Nov 22
    17°C | 6°C
    N 14 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Nov 23
    15°C | 7°C
    NE 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain