Ko Samui Weather in November

November in Ko Samui typically sees daytime highs of 29°C (84°F) and nighttime lows of 26°C (79°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Ko Samui in November

Experience the peak rainfall in this month, with heavy showers being the norm. A poncho is essential to stay dry and comfortable. You can expect rain on around 19 days based on historical patterns, with 314 mm (12 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Ko Samui in November

In November, Ko Samui gets high temperatures, with highs of 29°C (84°F). Nights cool to around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Ko Samui in November

The area enjoys a moderate level of sunlight, with around 175 hours. It's a good balance between sunny and cloudy days.

Average water temperature in November

The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.

If you're looking for dry conditions and comfortable temperatures, November may not be the ideal month to visit Ko Samui. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Thailand, check out our Ko Samui's climate page.

Ko Samui Temperature in November

Min Temperature 26°C (79°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 64%  

Precipitation 314 mm (12 in)  

Rainy days 19 days  

Humidity 85% *  

Sunshine 175 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (19 KM, 12 Miles).

What to Wear in Ko Samui in November

Warm temperatures in November make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Ko Samui in November

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Thailand, check out our Ko Samui's climate page.

More climate data for Ko Samui

Temperature Rainfall Sunshine Humidity Water Temp

See the full Ko Samui climate overview or explore weather in Thailand.