Chiang Saen Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Chiang Saen, 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.

Chiang Saen 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))

Chiang Saen can be quite wet during August, receiving approximately 397 mm (16 in) of precipitation over 24 rainy days.

In contrast February, experiences much drier conditions, with 14 mm (0.6 in) of rainfall, spread across 2 rainy days.

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 Chiang Saen Temperature page.

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

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

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.

Precipitation has a very strong role in determining the local climate and ecosystem:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

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