Ban Du Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Ban Du, Chiang Rai Province, Thailand. 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.

Ban Du has a notably wet climate with abundant precipitation, recording 1979 mm (78 in) of rainfall per year. It does, however, have a distinct dry and rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.

Monthly Precipitation Levels

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

The seasons in Ban Du, bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 376 mm (15 in) of precipitation. This rainfall is distributed across 24 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 14 mm (0.6 in) over a single rainy day. 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 117 hours of sunshine in this period. During the driest month February you can expect a temperature of 32°C (90°F). For more detailed insights into the city's temperatures, visit our Ban Du Temperature page.

Annual Rainfall in Thailand: City Comparison

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

Ban Du vs World: Rainfall Compared

Ban Du's average annual precipitation is 1979 mm (78 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

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.

The proximity of a location to a large body of water can significantly affect its rainfall patterns:

• Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
• Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.

• 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 Du's weather, including sunshine hours, humidity levels, and temperature data, visit our Ban Du Climate page.