Haimen Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Haimen. The numbers are calculated over a 30-year period to provide a reliable average. Now, let’s break down all the details for a clearer picture.

Haimen is known for its substantial rain/snowfall, with annual precipitation reaching 1296 mm.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

The seasons in Haimen, bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 244 mm of precipitation.

This rainfall is distributed across 14 rainy days. In contrast, the driest month, December, experiences much less rainfall, totaling 41 mm over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

June, the city’s wettest month, has a maximum daytime temperature of 29°C. During the driest month December you can expect a temperature of 11°C. For more detailed insights into the city’s temperatures, visit our Haimen Temperature page.

Annual Precipitation in China

The map below shows the annual precipitation across China. You can also select the different months in case you are interested in a specific month.

Amsterdam Precipitation Compared World Wide

Haimen’s average annual precipitation is 1296 mm. Let’s compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages [964 mm], with snowy winters and rainy summers.

Beijing, China, receives 560 mm of annual precipitation, concentrated in the summer months.

In Tokyo, Japan, the average annual precipitation is 1528 mm, with significant summer rains due to typhoon season.

Singapore, situated near the equator, gets 2581 mm of rainfall annually, with no distinct dry season and consistent monthly precipitation.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Interesting weather facts

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Haimen’s weather, including sunshine hours, humidity levels, and temperature data, visit our Haimen Climate page.