Ko Samui Weather History Surat Thani, Thailand

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Tue 25 Aug, 2026 Weather in Ko Samui

Sunrise: 06:11 AM Sunset: 06:32 PM	Moonrise: 04:49 PM Moonset: 03:52 AM	Max: 30.1 °c	Min: 27.6 °c	Avg: 28.5 °c	Precip: 2.10 mm	Max Wind: 28.8 kph

	Tue 25 0:00 am	Tue 25 3:00 am	Tue 25 6:00 am	Tue 25 9:00 am	Tue 25 12:00 pm	Tue 25 3:00 pm	Tue 25 6:00 pm	Tue 25 9:00 pm
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Temp	28.1°c	27.6°c	27.6°c	27.7°c	28.0°c	30.1°c	29.5°c	28.9°c
Wind	23.1 kmph	23.6 kmph	22.1 kmph	22.1 kmph	19.1 kmph	27.8 kmph	28.1 kmph	24.3 kmph
Precip	0.10 mm	0.00 mm	0.00 mm	0.00 mm	0.10 mm	0.40 mm	0.00 mm	0.00 mm
Cloud	100%	100%	98%	100%	96%	69%	73%	72%
Humidity	75%	79%	79%	78%	76%	69%	72%	77%
Pressure	1011 mb	1010 mb	1010 mb	1012 mb	1012 mb	1008 mb	1009 mb	1012 mb

Ko Samui Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	27°C / 81°F	26°C / 79°F	27°C / 81°F	139 hours	147.53 mm / 5.81 In	7 days	1011 mb / 30 In
February	28°C / 82°F	27°C / 80°F	27°C / 81°F	155 hours	43.29 mm / 1.70 In	4 days	1011 mb / 30 In
March	29°C / 83°F	27°C / 81°F	28°C / 82°F	195 hours	114.36 mm / 4.50 In	6 days	1010 mb / 30 In
April	29°C / 85°F	28°C / 82°F	29°C / 84°F	214 hours	132.28 mm / 5.21 In	11 days	1009 mb / 30 In
May	30°C / 86°F	28°C / 83°F	29°C / 85°F	175 hours	163.23 mm / 6.43 In	19 days	1008 mb / 30 In
June	30°C / 86°F	28°C / 82°F	29°C / 84°F	158 hours	123.57 mm / 4.86 In	16 days	1008 mb / 30 In
July	30°C / 85°F	28°C / 82°F	29°C / 83°F	142 hours	130.56 mm / 5.14 In	17 days	1008 mb / 30 In
August	29°C / 85°F	28°C / 82°F	28°C / 83°F	160 hours	138.47 mm / 5.45 In	19 days	1008 mb / 30 In
September	29°C / 84°F	27°C / 81°F	28°C / 83°F	112 hours	178.62 mm / 7.03 In	20 days	1009 mb / 30 In
October	29°C / 84°F	27°C / 81°F	28°C / 82°F	101 hours	294.97 mm / 11.61 In	21 days	1010 mb / 30 In
November	28°C / 83°F	27°C / 80°F	28°C / 82°F	79 hours	412.32 mm / 16.23 In	19 days	1010 mb / 30 In
December	28°C / 82°F	27°C / 80°F	27°C / 81°F	118 hours	247.36 mm / 9.74 In	12 days	1011 mb / 30 In

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