Koh Samui weather in November 2026

Expect daytime maximum temperatures of 84°F in Koh Samui, Thailand in November and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 18.2 inches of rainfall in the month.

  • 84°F maximum daytime temperature in November in Koh Samui84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in November in Koh Samui19
    19 days with some rainfall
  • 73°F minimum night-time temperature in November in Koh Samui73
    73°F min night temperature
  • 12 hours of daylight per day in November in Koh Samui12
    12 hours of daylight per day
  • High heat & humidity in November in Koh SamuiH
    High heat & humidity
  • 18.2 inches monthly rainfall in November in Koh Samui18.2
    18.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in November in Koh Samui11
    11 (Extreme) UV index
  • 82°F sea temperature in November in Koh Samui82
    82°F sea temperature

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The November weather guide for Thailand (Koh Samui) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Koh Samui in November?

Daytime temperatures usually reach 90°F in Koh Samui in November with high heat and humidity, falling to 73°F at night.

How sunny is it in Koh Samui in November?

There are normally 8 hours of bright sunshine each day in Koh Samui in November - that's 67% of daylight hours.

Does it rain in Koh Samui in November?

There are usually 6 days with some rain in Koh Samui in November and the average monthly rainfall is 1.9 inches.

Koh Samui November sunrise & sunset times

Browse the sunrise and sunset times for Koh Samui in November 2026. Select a month to view Koh Samui sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st November 2026 06:10 17:57
Sunday, 15th November 2026 06:13 17:55
Monday, 30th November 2026 06:20 17:57

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