Jellyfish at Ya Nui Beach in December
December at Ya Nui Beach is a month of moderate risk. The prevailing north-east wind of about 3.4 m/s is blowing offshore; mean waves 0.5 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 1% of days in this month as high risk. Official DMCR jellyfish warnings in December: 1.
5-day outlook at Ya Nui Beach →
Weather and sea in December
| Wind | 3.4 m/s, north-east |
|---|---|
| Onshore wind | -1.9 m/s |
| Waves | 0.5 m |
| Water | 29.1 °C |
| Rain | 138 mm · 16.5 days |
Official cases nearby in December
- DMCRAo Yon Beach · อ่าวยน จ.ภูเก็ต
Nearby beaches this month
- Koh AeoModerate
- Tri Trang BeachModerate
- Ao La / Ao Thue (Koh Racha Yai)Moderate
- Ao Yon BeachModerate
- Bang Tao BeachModerate
- Freedom BeachModerate
Jellyfish found here
This is the dry-season jellyfish period: large rhizostome jellyfish, lilac medusae and stinging plankton. Bluebottles are rare on the Andaman coast at this time.
Ya Nui Beach: jellyfish month by month
- 9%Jan6January: Usually moderate risk. High risk on 9% of days. Onshore wind on 4% of days. Official warnings: 0. Eyewitness reports: 6.
- 14%Feb5February: Usually moderate risk. High risk on 14% of days. Onshore wind on 11% of days. Official warnings: 0. Eyewitness reports: 5.
- 6%Mar210March: Usually moderate risk. High risk on 6% of days. Onshore wind on 17% of days. Official warnings: 2. Eyewitness reports: 10.
- 9%Apr13April: Usually moderate risk. High risk on 9% of days. Onshore wind on 56% of days. Official warnings: 0. Eyewitness reports: 13.
- 40%May24May: Usually moderate risk. High risk on 40% of days. Onshore wind on 69% of days. Official warnings: 2. Eyewitness reports: 4.
- 35%Jun3June: Usually moderate risk. High risk on 35% of days. Onshore wind on 94% of days. Official warnings: 3.
- 16%Jul2July: Usually moderate risk. High risk on 16% of days. Onshore wind on 95% of days. Official warnings: 2.
- 19%Aug1August: Usually moderate risk. High risk on 19% of days. Onshore wind on 95% of days. Official warnings: 1.
- 10%Sep1September: Usually moderate risk. High risk on 10% of days. Onshore wind on 95% of days. Official warnings: 1.
- 5%OctOctober: Usually moderate risk. High risk on 5% of days. Onshore wind on 77% of days. Official warnings: 0.
- 0%Nov2November: Usually moderate risk. High risk on 0% of days. Onshore wind on 29% of days. Official warnings: 0. Eyewitness reports: 2.
- 1%Dec11December: Usually moderate risk. High risk on 1% of days. Onshore wind on 6% of days. Official warnings: 1. Eyewitness reports: 1.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
- neyewitness reports, all years
Questions and answers
Are there jellyfish at Ya Nui Beach in December?
December at Ya Nui Beach is a month of moderate risk. The prevailing north-east wind of about 3.4 m/s is blowing offshore; mean waves 0.5 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 1% of days in this month as high risk. Official DMCR jellyfish warnings in December: 1.
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.




