Sepang Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Sepang, Selangor, Malaysia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.
Sepang is known for its substantial rainfall, with annual precipitation reaching 2671 mm (105 in).
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, November receives substantial rainfall, averaging 361 mm (14 in) of precipitation, recorded across 25 rainy days.
In contrast, the driest month, June brings less rainfall, with 159 mm (6.3 in) over 12 rainy days.
November, the wettest month, has a maximum daytime temperature of 31°C (88°F). The city receives 152 hours of sunshine in this period. During the driest month June you can expect a temperature of 32°C (90°F). For more detailed insights into the city's temperatures, visit our Sepang Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 47-year average (1976-2025)
Average precipitation in September
Explore Sepang's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Sepang spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Malaysia: City Comparison
The map below shows the annual precipitation across Malaysia. You can also select the different months in case you are interested in a specific month.
Sepang vs World: Rainfall Compared
Sepang's average annual precipitation is 2671 mm (105 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.
Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.
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.
Tropical Rainforests: In tropical regions, rainfall is generally abundant year-round. Areas near the equator, like the Amazon rainforest, can receive up to 3000 mm (118 in) of rain annually.
Desert Regions: Deserts such as the Sahara and Arabian deserts typically see less than 250 mm (9.8 in) of rainfall annually. Rainfall tends to be infrequent, but when it does occur, it is often intense.
Temperate Zones: In temperate regions, precipitation tends to be more evenly distributed, though areas closer to the ocean may see more rain in the winter months, and areas further inland experience drier summers.
Polar Regions: Precipitation in polar regions, like Antarctica, is extremely low, often falling as snow. Average annual precipitation in Antarctica is less than 200 mm (7.9 in), with some areas receiving as little as 50 mm (2 in) annually.
- 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 Sepang's weather, including sunshine hours, humidity levels, and temperature data, visit our Sepang Climate page.
Sepang Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sepang - and find the best time to visit.
Sepang 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Sepang climate overview or explore weather in Malaysia.
Popular this month
Where to go in September - average daytime high across popular destinations.
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