Ko Samui Weather in January
Thailand · January climate averages and travel tips
Avg high28°C (82°F)
Avg low26°C (79°F)
Rainfall136 mm (5.4 in)
RatingFair 5.8/10
Ko Samui in January sees daytime temperatures around 28°C (82°F), dropping to about 26°C (79°F) at night. The month is wet, with about 136 mm (5.4 in) of rain spread over 14 days. Humidity averages 79%, so it feels sticky and hotter than the thermometer suggests. You get roughly 11.5 hours of daylight and frequently cloudy skies.
Is January a good time to visit Ko Samui?
January is a fair time to visit Ko Samui (5.8/10) mainly because of the rain. For better weather, go in February.
January weather at a glance
| Average high | 28°C (82°F) |
|---|---|
| Average low | 26°C (79°F) |
| Daily mean | 27°C (80°F) |
| Rainfall | 136 mm (5.4 in) |
| Rainy days (1 mm+) | 14 |
| Humidity | 79% |
| Cloud cover | 63% |
| Daylight | 11.5 hours |
| Est. sunshine | 4.7 hours/day |
| Wind | 14.5 km/h |
| vs December | About as warm as December, with 150 mm less rain. |
What to pack for Ko Samui in January
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Ko Samui weather in other months
Jan28°C / 26°C136 mmFairFeb28°C / 27°C55 mmExcellentMar29°C / 27°C97 mmGoodApr30°C / 28°C101 mmFairMay30°C / 29°C181 mmPoorJun30°C / 28°C164 mmPoorJul29°C / 28°C183 mmPoorAug29°C / 27°C154 mmPoorSep29°C / 27°C183 mmPoorOct29°C / 27°C252 mmPoorNov28°C / 27°C424 mmPoorDec28°C / 27°C286 mmPoor
← DecemberBest time to visit Ko SamuiFebruary →
Better weather in January nearby
- Dubai23°C · 21 mm · Excellent
- Jaipur23°C · 10 mm · Excellent
- Abu Dhabi23°C · 14 mm · Excellent
- Agra23°C · 15 mm · Excellent
- Varanasi25°C · 11 mm · Excellent
- Muscat26°C · 19 mm · Excellent
Nearby in January
- Krabi28°C · 93 mm
- Phuket28°C · 84 mm
- Hua Hin28°C · 33 mm
- Pattaya29°C · 24 mm
- George Town30°C · 120 mm
- Bangkok33°C · 15 mm
Where else is good in January? See where to go in January.