Ban Donnoun Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Ban Donnoun, Laos. Long-term data from 1990 to 2020 was used to calculate these averages. Let's now guide you through the details for a complete overview.
Ban Donnoun is known for its substantial rainfall, with annual precipitation reaching 2064 mm (81 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The seasons in Ban Donnoun, bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 432 mm (17 in) of precipitation. This rainfall is distributed across 24 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 9.3 mm (0.4 in) over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.August, the wettest month, has a maximum daytime temperature of 32°C (90°F). The city receives 135 hours of sunshine in this period. During the driest month December you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Ban Donnoun Temperature page.
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Explore Ban Donnoun's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Ban Donnoun spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Laos: City Comparison
The map below shows the annual precipitation across Laos. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Ban Donnoun vs World: Rainfall Compared
Ban Donnoun's average annual precipitation is 2064 mm (81 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.
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.
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 Ban Donnoun's weather, including sunshine hours, humidity levels, and temperature data, visit our Ban Donnoun Climate page.
