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Weather Comparison

Koh Samui vs Bangkok

Side-by-side weather comparison for November

Koh Samui: 25°CBangkok: 31°C475 km apart

November Weather: Koh Samui vs Bangkok

MetricKoh SamuiBangkokBetter
Average HighHigher is warmer25°C (77°F)31°C (88°F)Bangkok
Average LowHigher is milder23°C (73°F)23°C (73°F)Tie
Rain DaysFewer is drier22 days7 daysBangkok
PrecipitationLess is drier284 mm41 mmBangkok
Sunshine HoursMore is sunnier9h/day10h/dayBangkok
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer33Tie
Wind SpeedCalmer is better21 km/h12 km/hBangkok

Which City is Better in November?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Bangkok edges ahead as the better destination in November. Bangkok offers 10 hours of daily sunshine with only 7 rain days, while Koh Samui sees 9 sunshine hours and 22 rain days.

Koh Samui sits in the comfortable travel range at 25°C. Bangkok runs hot at 31°C.

For travelers who prioritize dry weather, Bangkok is the stronger choice in November. Bangkok receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in November

Koh Samui reaches an average high of 25°C (77°F) and drops to 23°C (73°F) at night during November. The daily temperature range is 2°C, meaning relatively stable temperatures from day to night.

Bangkok averages 31°C (88°F) for the high and 23°C (73°F) for the low, with a daily range of 8°C. There is a notable 6°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in November.

Rainfall Comparison in November

Koh Samui receives approximately 284 mm of rainfall across 22 rain days during November. Rain is frequent, so waterproof gear is essential.

Bangkok sees 41 mm over 7 rain days. That makes Bangkok the drier option by 15 rain days and 243 mm of total precipitation.

Both cities share similar humidity levels at 82%.

What to Pack: Koh Samui vs Bangkok

Packing for Koh Samui in November

Highs of 25°C, lows of 23°C, 22 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Bangkok in November

Highs of 31°C, lows of 23°C, 7 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • a packable rain jacket
  • an umbrella
  • moisture-wicking fabrics

Pack for both: moisture-wicking fabrics. These items are useful in either destination during November.

Year-Round Comparison: Koh Samui vs Bangkok

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.November is highlighted for quick reference.

MonthKoh SamuiBangkok
HighRainHighRain
Jan25°C11d31°C3d
Feb25°C6d32°C3d
Mar26°C10d34°C6d
Apr27°C12d35°C11d
May27°C22d33°C21d
Jun27°C19d32°C22d
Jul27°C18d32°C23d
Aug27°C18d31°C24d
Sep26°C22d31°C26d
Oct25°C26d30°C21d
Nov25°C22d31°C7d
Dec25°C14d31°C2d
25°

Koh Samui Weather in November

Full forecast, packing tips, and activities

31°

Bangkok Weather in November

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Koh Samui warmer than Bangkok in November?
No. In November, Bangkok is warmer with an average high of 31°C (88°F) compared to Koh Samui at 25°C (77°F), a difference of 6°C.
Which city gets more rain in November, Koh Samui or Bangkok?
Koh Samui gets more rain in November with 22 rain days and 284 mm of precipitation. Bangkok is the drier option with 7 rain days.
Is it better to visit Koh Samui or Bangkok in November?
It depends on your preferences. Koh Samui averages 25°C and 9 hours of daily sunshine with 22 rain days. Bangkok averages 31°C with 10 sunshine hours and 7 rain days. If you prefer cooler conditions, choose Bangkok. For fewer rain days, Bangkok is the better pick.
How far apart are Koh Samui and Bangkok?
Koh Samui and Bangkok are approximately 475 km (295 miles) apart. Koh Samui is located in Thailand (Asia) while Bangkok is in Thailand (Asia).
What is the best month to visit Koh Samui and Bangkok?
For Koh Samui, February tends to be the best month with 11 hours of daily sunshine and a high of 25°C. For Bangkok, January is typically ideal with 11 sunshine hours and 31°C highs.

Compare Koh Samui and Bangkok in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Koh Samui coordinates: 9.51°N, 100.01°E | Bangkok coordinates: 13.76°N, 100.50°E