Balapitiya Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Balapitiya, Galle District, Sri Lanka. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.
Balapitiya has a notably wet climate with abundant precipitation, recording 2750 mm (108 in) of rainfall per year.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The seasons in Balapitiya, bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 339 mm (13 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 74 mm (2.9 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.May, the wettest month, has a maximum daytime temperature of 30°C (86°F). The city receives 200 hours of sunshine in this period. During the driest month February you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Balapitiya Temperature page.
Daily Historical Precipitation
40-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Explore Balapitiya's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Balapitiya spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Sri Lanka: City Comparison
The map below shows the annual precipitation across Sri Lanka. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Balapitiya vs World: Rainfall Compared
Balapitiya's average annual precipitation is 2750 mm (108 in). Let's compare this to some popular worldwide tourist destinations:
Athens, Greece, receives an average annual precipitation of 400 mm (16 in), making it one of the drier Mediterranean climates with rainfall mostly in winter.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
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.
- 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 Balapitiya's weather, including sunshine hours, humidity levels, and temperature data, visit our Balapitiya Climate page.
