Banjarmasin Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Banjarmasin, South Kalimantan, Indonesia. This average is based on long-term data collected between 1990 and 2020. Now, let's break down all the details for a clearer picture.

Banjarmasin has a relatively rainy climate with high precipitation levels, averaging 2467 mm (97 in) of rainfall annually. Despite the high annual total, it does experience a distinct rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Banjarmasin can be quite wet during December, receiving approximately 369 mm (15 in) of precipitation over 18 rainy days.

In contrast August, experiences much drier conditions, with 57 mm (2.2 in) of rainfall, spread across 7 rainy days.

December, the wettest month, has a maximum daytime temperature of 31°C (88°F). During the driest month August you can expect a temperature of 33°C (91°F). For more detailed insights into the city's temperatures, visit our Banjarmasin Temperature page.

Banjarmasin's average annual precipitation is 2467 mm (97 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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.

• "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 (15 inches) wide and 20 cm (7.9 inches) 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 (103 feet) fell during the winter of 1972.

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