Mae Nam Beach Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Mae Nam Beach, Koh Samui, Thailand. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.
Mae Nam Beach has a relatively rainy climate with high precipitation levels, averaging 1692 mm (67 in) of rainfall annually.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The seasons in Mae Nam Beach, 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 Mae Nam Beach Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 48-year average (1976-2025)
Average precipitation in September
Explore Mae Nam Beach's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Mae Nam Beach spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
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.
Mae Nam Beach vs World: Rainfall Compared
Mae Nam Beach's average annual precipitation is 1692 mm (67 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.
Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.
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.
Climate change is affecting precipitation patterns worldwide, including Mae Nam Beach:
- 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.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Mae Nam Beach's weather, including sunshine hours, humidity levels, and temperature data, visit our Mae Nam Beach Climate page.
Mae Nam Beach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mae Nam Beach - and find the best time to visit.
Mae Nam Beach 3-Day Forecast
Temperature Rainfall Sunshine Humidity Water Temp
See the full Mae Nam Beach climate overview or explore weather in Thailand.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Discover Kok Kood: a hidden gem in Thailand
Discover the hidden gem of Thailand - Koh Kood! Explore stunning beaches, waterfalls and eco-friendly resorts while enjoying a peaceful atmosphere away from the crowds.
Discover Thailand: An Ultimate Guide for Yogis
Explore Thailand's best for yogis: serene retreats, spiritual growth, and adventure. Dive into yoga, meditation, and nature's tranquility for an unforgettable journey.
Trekking in Northern Thailand
One of the most beautiful attractions in Thailand is trekking along mountain villages north of Chiang Mai. The best time to trek is November until February.
Elephant Haven in Thailand: Kindred Spirit Sanctuary
Explore the Kindred Spirit Elephant Sanctuary in Thailand. Experience hiking, observe elephants in nature, and see the positive impact on the community.