Ko Samui
January
Weather in Ko Samui for January 2025
Your guide to Ko Samui weather in January - trends and predictions
In general, the average temperature in Ko Samui at the beginning of January is 28 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.7 °C by the end of January.
Ko Samui experiences an exceptionally high level of rainfall in January, with more than 20 rainy days on average.
Is January a good time to visit Ko Samui? check out the best time to travel to Ko Samui page.
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10
Dry days
21
Rainy days
0
Snow days
28°/27°
Temperatures
21 km/h
Avg max wind
75 %
Avg humidity
Ko Samui in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3 28° | 4 28° | 5  28° | ||
| 6 28° | 7 28° | 8 28° | 9 28° | 10 28° | 11 28° | 12 28° |
| 13 27° | 14 27° | 15  27° | 16 27° | 17 28° | 18 28° | 19 27° |
| 20 27° | 21 27° | 22 28° | 23 27° | 24 28° | 25 28° | 26 28° |
| 27 27° | 28 27° | 29 28° | 30 28° | 31 28° |
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Temperatures trend during January in Ko Samui
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Patchy rain possible | 28° /27° | 2.3 mm | 6 | |
| 2 Jan. | Patchy rain possible | 28° /27° | 3.2 mm | 6 | |
| 3 Jan. | Patchy rain possible | 28° /26° | 1.3 mm | 6 | |
| 4 Jan. | Patchy rain possible | 28° /27° | 0.5 mm | 6 | |
| 5 Jan. | Patchy light drizzle | 28° /27° | 0.9 mm | 6 | |
| 6 Jan. | Patchy rain possible | 28° /27° | 0 mm | 6 | |
| 7 Jan. | Patchy rain possible | 28° /27° | 0.1 mm | 6 | |
| 8 Jan. | Patchy rain possible | 28° /27° | 1 mm | 6 | |
| 9 Jan. | Patchy rain possible | 28° /27° | 0 mm | 6 | |
| 10 Jan. | Patchy light drizzle | 28° /27° | 1.3 mm | 6 | |
| 11 Jan. | Light rain shower | 28° /27° | 0.5 mm | 6 | |
| 12 Jan. | Patchy rain possible | 28° /27° | 0.1 mm | 6 | |
| 13 Jan. | Patchy rain possible | 27° /27° | 0.6 mm | 6 | |
| 14 Jan. | Patchy rain possible | 27° /26° | 0.1 mm | 6 | |
| 15 Jan. | Partly cloudy | 27° /26° | 0 mm | 7 | |
| 16 Jan. | Partly cloudy | 27° /27° | 0 mm | 7 | |
| 17 Jan. | Patchy rain possible | 28° /27° | 2 mm | 6 | |
| 18 Jan. | Patchy rain possible | 28° /27° | 1.3 mm | 6 | |
| 19 Jan. | Partly cloudy | 27° /26° | 0 mm | 7 | |
| 20 Jan. | Partly cloudy | 27° /26° | 0 mm | 7 | |
| 21 Jan. | Patchy rain possible | 27° /26° | 0.1 mm | 6 | |
| 22 Jan. | Patchy rain possible | 28° /27° | 0.4 mm | 6 | |
| 23 Jan. | Light rain shower | 27° /27° | 5.4 mm | 6 | |
| 24 Jan. | Light rain shower | 28° /27° | 15.8 mm | 6 | |
| 25 Jan. | Light rain shower | 28° /25° | 27.1 mm | 6 | |
| 26 Jan. | Light rain shower | 28° /27° | 11 mm | 6 | |
| 27 Jan. | Light rain shower | 27° /27° | 5.9 mm | 6 | |
| 28 Jan. | Patchy rain possible | 27° /27° | 0.6 mm | 6 | |
| 29 Jan. | Light rain shower | 28° /27° | 1.5 mm | 6 | |
| 30 Jan. | Patchy rain possible | 28° /26° | 6.1 mm | 6 | |
| 31 Jan. | Light rain shower | 28° /27° | 0.6 mm | 6 | |
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Important Notice
Our weather forecast for Ko Samui in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ko Samui forecast closer to your planned date for the most up-to-date weather information.
Ko Samui in January - FAQ
What are the expected maximum and minimum temperatures in Ko Samui during January?
During January, expect a variety of temperatures with highs around 28° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ko Samui during January?
Moderate rainfall is anticipated in Ko Samui during January, with a total of 89.9 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ko Samui during January?
The average wind speed in Ko Samui during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ko Samui in January?
As you prepare for your trip to Ko Samui in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ko Samui, during January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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Where is Ko Samui?Get accurate weather forecasts for Ko Samui, located at latitude 9.536 and longitude 99.936. Stay updated with localized weather information tailored for Ko Samui.
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