Ban Mae Nam Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Ban Mae Nam, Koh Samui, Thailand. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's explore all the details to give you a full picture.

Ban Mae Nam is known for its substantial rainfall, with annual precipitation reaching 1690 mm (67 in).

Monthly Precipitation Levels

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

The seasons in Ban Mae Nam, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 303 mm (12 in) of precipitation. This rainfall is distributed across 20 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 45 mm (1.8 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

October, the wettest month, has a maximum daytime temperature of 29°C (84°F). The city receives 146 hours of sunshine in this period. During the driest month February you can expect a temperature of 29°C (84°F). For more detailed insights into the city's temperatures, visit our Ban Mae Nam 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 Mae Nam vs World: Rainfall Compared

Ban Mae Nam's average annual precipitation is 1690 mm (67 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.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

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