Bay Saint Louis (MS) Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Bay Saint Louis (MS). The numbers are calculated over a 30-year period to provide a reliable average. Now, let’s explore all the details to give you a full picture.

Bay Saint Louis has a notably wet climate with abundant precipitation, recording 1607 mm of rainfall per year.

Monthly Precipitation Levels

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

Bay Saint Louis can be quite wet during August, receiving approximately 191 mm of precipitation over 18 rainy days.

In contrast November, experiences much drier conditions, with 73 mm of rainfall, spread across 7 rainy days.

Annual Precipitation in the United States of America

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

Amsterdam Precipitation Compared World Wide

Bay Saint Louis’s average annual precipitation is 1607 mm. Let’s compare this to some popular worldwide tourist destinations:

Chicago, USA, sees an annual precipitation of 1062 mm, with rain and snow contributing to its humid climate.

In Shanghai, China, the annual average precipitation is 1347 mm, with a humid subtropical climate.

Adelaide, Australia, enjoys 511 mm of annual precipitation, with dry summers and wet winters.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

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

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm wide and 20 cm thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters fell during the winter of 1972.

For more detailed information about Bay Saint Louis (MS)’s weather, including sunshine hours, humidity levels, and temperature data, visit our Bay Saint Louis (MS) Climate page.