Jellyfish in Koh Si Chang in December
December in Koh Si Chang is usually a calm month. The prevailing north-east wind of about 3.5 m/s is blowing offshore; mean waves 0.25 m, water 28.3 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in December: 0.
Weather and sea in December
| Wind | 3.5 m/s, north-east |
|---|---|
| Onshore wind | -2.3 m/s |
| Waves | 0.25 m |
| Water | 28.3 °C |
| Rain | 17 mm · 2.3 days |
Beaches this month
| Beaches | Typical risk | Onshore wind | DMCR |
|---|---|---|---|
| Tham Phang Beach (Koh Si Chang) | Low | -2.3 | 0 |
Official cases in December
No official warnings nearby in this month.
Jellyfish found here
Koh Si Chang: jellyfish month by month
- January: Usually moderate risk. High risk on 0% of days. Onshore wind on 35% of days. Official warnings: 0.
- February: Usually moderate risk. High risk on 6% of days. Onshore wind on 65% of days. Official warnings: 0.
- March: Usually moderate risk. High risk on 26% of days. Onshore wind on 75% of days. Official warnings: 0.
- April: Usually moderate risk. High risk on 0% of days. Onshore wind on 87% of days. Official warnings: 0.
- May: Usually low risk. High risk on 0% of days. Onshore wind on 80% of days. Official warnings: 0.
- June: Usually moderate risk. High risk on 0% of days. Onshore wind on 100% of days. Official warnings: 0.
- July: Usually moderate risk. High risk on 15% of days. Onshore wind on 100% of days. Official warnings: 0.
- August: Usually moderate risk. High risk on 19% of days. Onshore wind on 98% of days. Official warnings: 0.
- September: Usually moderate risk. High risk on 9% of days. Onshore wind on 90% of days. Official warnings: 0.
- October: Usually moderate risk. High risk on 21% of days. Onshore wind on 23% of days. Official warnings: 0.
- November: Usually low risk. High risk on 0% of days. Onshore wind on 5% of days. Official warnings: 0.
- December: Usually low risk. High risk on 0% of days. Onshore wind on 7% of days. Official warnings: 0.
- Low
- Moderate
- High
- Very high
Colour shows the typical risk level that month; the number is the share of high-risk days. Warnings and sightings are in each month’s tooltip.
Questions and answers
Are there jellyfish in Koh Si Chang in December?
December in Koh Si Chang is usually a calm month. The prevailing north-east wind of about 3.5 m/s is blowing offshore; mean waves 0.25 m, water 28.3 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in December: 0.
Where in Koh Si Chang is the jellyfish risk lowest in December?
Based on this month’s weather the risk is lowest at: Tham Phang Beach (Koh Si Chang).
What to do if a jellyfish stings you in Thailand?
Get out of the water. Call 1669 for trouble breathing, chest pain or collapse. Do not rub the sting and do not rinse it with fresh water. If a box jellyfish is possible, pour vinegar over the sting for at least 30 seconds.