Weather in Ko Samui in January 2018

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Ko Samui in January. Check more long-term weather averages for Ko Samui in January before you book your next holiday to Thailand in 2018.

Key weather averages for Ko Samui in January

  • 29°C maximum daytime temperature in January in Ko Samui29
    29°C max day temperature
  • 7 hours of sunshine per day (64% of daylight hours) in January in Ko Samui7
    7 hours of sunshine per day
  • 10 days with some rainfall in January in Ko Samui10
    10 days with some rainfall
  • 22°C minimum night-time temperature in January in Ko Samui22
    22°C min night temperature
  • 12 hours of daylight per day in January in Ko Samui12
    12 hours of daylight per day
  • High heat & humidity in January in Ko SamuiH
    High heat & humidity
  • 123 mm monthly rainfall in January in Ko Samui123
    123 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Ko Samui11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Ko Samui28
    28°C sea temperature

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Ko Samui

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Guide to Ko Samui weather in January

The average maximum daytime temperature in Ko Samui in January is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 7 hours of bright sunshine each day, which represents 64% of the 12 hours of daylight.

Expect 123mm (4.8 inches) of rainfall across the whole of January with 10 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Ko Samui in January is 28°C (82°F).

The weather in Ko Samui in January is represented by Ko Samui.

Ko Samui sunrise & sunset times for January 2018

Browse the sunrise & sunset times for Ko Samui in January 2018. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st January 2018 06:36 18:11
Tuesday, 2nd January 2018 06:36 18:11
Wednesday, 3rd January 2018 06:37 18:12
Thursday, 4th January 2018 06:37 18:12
Friday, 5th January 2018 06:37 18:13
Saturday, 6th January 2018 06:38 18:13
Sunday, 7th January 2018 06:38 18:14
Monday, 8th January 2018 06:38 18:14
Tuesday, 9th January 2018 06:39 18:15
Wednesday, 10th January 2018 06:39 18:15
Thursday, 11th January 2018 06:39 18:16
Friday, 12th January 2018 06:40 18:16
Saturday, 13th January 2018 06:40 18:17
Sunday, 14th January 2018 06:40 18:17
Monday, 15th January 2018 06:40 18:18
Tuesday, 16th January 2018 06:41 18:18
Wednesday, 17th January 2018 06:41 18:19
Thursday, 18th January 2018 06:41 18:19
Friday, 19th January 2018 06:41 18:20
Saturday, 20th January 2018 06:41 18:20
Sunday, 21st January 2018 06:41 18:21
Monday, 22nd January 2018 06:41 18:21
Tuesday, 23rd January 2018 06:42 18:22
Wednesday, 24th January 2018 06:42 18:22
Thursday, 25th January 2018 06:42 18:22
Friday, 26th January 2018 06:42 18:23
Saturday, 27th January 2018 06:42 18:23
Sunday, 28th January 2018 06:42 18:24
Monday, 29th January 2018 06:42 18:24
Tuesday, 30th January 2018 06:42 18:24
Wednesday, 31st January 2018 06:42 18:25
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  • FREE kids places & low deposits also available

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Ko Samui weather by month

Check Ko Samui weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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