Koh Samet Weather in October
October in Koh Samet typically sees daytime highs of 30°C (86°F) and nighttime lows of 26°C (79°F). October falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Koh Samet in October
As part of the rainy season, Koh Samet sees around 17 days of rain in October, with an average of 239 mm (9.4 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Koh Samet in October
Koh Samet in October gets highs of 30°C (86°F) during the day and drops to 26°C (79°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Koh Samet in October
The month experiences a moderate amount of sunlight, with 146 hours of sunshine. This provides a nice balance between sunshine and rain.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Koh Samet. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Koh Samet Temperature in October
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
56%
Precipitation
239 mm (9.4 in)
Rainy days
17 days
Humidity
85% *
Sunshine
146 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koh Samet typically stay consistent throughout October, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Koh Samet in October
Browse day-by-day weather records for Koh Samet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Samet historical weather extremes in October
Our historical data for Koh Samet spans 1976 to 2025, revealing these weather extremes.
- The warmest day in October was on October 27, 1982, with a maximum of 38°C (100°F).
- The lowest daytime temperature in October was 26°C (79°F), recorded on October 17, 2021.
- The coldest night in October in Koh Samet was on October 12, 1984, with a minimum of 16°C (61°F).
- The heaviest October precipitation occurred on October 26, 1999, when 141 mm (5.6 in) of precipitation fell.
Best Places in Thailand in October
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in October →
perfect weather
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What to Wear in Koh Samet in October
Warm but pleasant conditions in Koh Samet in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Koh Samet in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Temperature Rainfall Sunshine Humidity
See the full Koh Samet climate overview or explore weather in Thailand.
