Thailand (Koh Samui) · January
Low seasonThailand · Asia
Max Temp
30.1°C
Min Temp
25.1°C
Sunshine
7.3 h/day
Rain Days
8 days
Water Temp
27.8°C
Rainfall
154.3 mm
Humidity
78%
Avg Temp
27.6°C
Still off-season — flights and hotels significantly cheaper than in February.
January is an acceptable travel month for Thailand (Koh Samui) — conditions are fine, though February, March, April, and August offer even better weather.
Daytime temperatures reach up to 30°C, cooling to 25°C at night (daily average: 28°C). The sun shines an average of 7 hours per day; there are 8 rain days with 154 mm total. The water is a warm 28°C — perfect for snorkelling and swimming.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed at this time of year without the heat.
Packing list for Thailand (Koh Samui) in January
- Leichte Sommersachen
- Badezeug und Strandtuch
- Sonnencreme LSF 50
- Sonnenbrille
- Sonnenhut
- Leichter Regenschirm oder Regenponcho
- Insektenschutzmittel
- Reiseapotheke
Frequently Asked Questions
- Is January a good time to visit Thailand (Koh Samui)?
- January is not an optimal month for Thailand (Koh Samui) (Score: 73/100), but it is manageable. For better conditions, consider February, March, April, and August.
- How warm is it in Thailand (Koh Samui) in January?
- In January, Thailand (Koh Samui) sees daily highs of 30°C. Nights cool to 25°C, with a daily average of 28°C.
- How much rain falls in Thailand (Koh Samui) in January?
- In January, Thailand (Koh Samui) receives an average of 154 mm of rain over 8 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Thailand (Koh Samui) get in January?
- Thailand (Koh Samui) averages 7 sunshine hours per day in January — close to the annual average.
- How warm is the water in Thailand (Koh Samui) in January?
- Water temperature in Thailand (Koh Samui) in January averages 28°C — ideal for swimming and snorkelling.
