Jellyfish at Nang Thong Beach in December
December at Nang Thong Beach is usually a calm month. The prevailing north-east wind of about 1.9 m/s is blowing offshore; mean waves 0.28 m, water 29.1 °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.
5-day outlook at Nang Thong Beach →
Weather and sea in December
| Wind | 1.9 m/s, north-east |
|---|---|
| Onshore wind | -1.3 m/s |
| Waves | 0.28 m |
| Water | 29.1 °C |
| Rain | 153 mm · 18.5 days |
Official cases nearby in December
No official warnings nearby in this month.
Nearby beaches this month
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.
Nang Thong Beach: jellyfish month by month
- 0%JanJanuary: Usually low risk. High risk on 0% of days. Onshore wind on 12% of days. Official warnings: 0.
- 0%Feb2February: Usually moderate risk. High risk on 0% of days. Onshore wind on 18% of days. Official warnings: 0. Eyewitness reports: 2.
- 14%MarMarch: Usually moderate risk. High risk on 14% of days. Onshore wind on 35% of days. Official warnings: 0.
- 59%Apr3April: Usually high risk. High risk on 59% of days. Onshore wind on 57% of days. Official warnings: 0. Eyewitness reports: 3.
- 52%MayMay: Usually high risk. High risk on 52% of days. Onshore wind on 67% of days. Official warnings: 0.
- 7%Jun1June: Usually moderate risk. High risk on 7% of days. Onshore wind on 95% of days. Official warnings: 1.
- 0%JulJuly: Usually moderate risk. High risk on 0% of days. Onshore wind on 97% of days. Official warnings: 0.
- 0%AugAugust: Usually low risk. High risk on 0% of days. Onshore wind on 98% of days. Official warnings: 0.
- 2%Sep1September: Usually moderate risk. High risk on 2% of days. Onshore wind on 94% of days. Official warnings: 0. Eyewitness reports: 1.
- 0%OctOctober: Usually moderate risk. High risk on 0% of days. Onshore wind on 53% of days. Official warnings: 0.
- 0%Nov2November: Usually low risk. High risk on 0% of days. Onshore wind on 18% of days. Official warnings: 0. Eyewitness reports: 2.
- 0%DecDecember: Usually low risk. High risk on 0% of days. Onshore wind on 2% of days. Official warnings: 0.
- 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 Nang Thong Beach in December?
December at Nang Thong Beach is usually a calm month. The prevailing north-east wind of about 1.9 m/s is blowing offshore; mean waves 0.28 m, water 29.1 °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.
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.




