Mae Ai Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Mae Ai, Chiang Mai Province, Thailand. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.

Mae Ai experiences significant rainfall throughout the year, averaging 1364 mm (54 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry and rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Precipitation Levels

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

The climate in Mae Ai shows significant variation throughout the year. Expect 285 mm (11 in) of precipitation during the wettest month August, distributed over 24 rainy days.

In contrast, February offers drier and sunnier days, with around 8.4 mm (0.3 in) of rainfall over a single rainy day.

August, the wettest month, has a maximum daytime temperature of 31°C (88°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 Mae Ai Temperature page.

Mae Ai's average annual precipitation is 1364 mm (54 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.

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

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Mae Ai's weather, including sunshine hours, humidity levels, and temperature data, visit our Mae Ai Climate page.