Jellyfish at Ao Yai (Koh Chang Ranong) Beach in December

December at Ao Yai (Koh Chang Ranong) Beach is a month of moderate risk. The prevailing north-east wind of about 4.3 m/s is blowing offshore; mean waves 0.26 m, water 28.4 °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.

Typical risk this monthModerate
  • Low 49%
  • Moderate 51%
  • High 0%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 0% of days are high or very high.

5-day outlook at Ao Yai (Koh Chang Ranong) Beach →

Weather and sea in December

Wind4.3 m/s, north-east
Onshore wind-3 m/s
Waves0.26 m
Water28.4 °C
Rain63 mm · 5.5 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.

Ao Yai (Koh Chang Ranong): jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 6% of days. Official warnings: 0.
  2. February: Usually moderate risk. High risk on 0% of days. Onshore wind on 11% of days. Official warnings: 0.
  3. March: Usually moderate risk. High risk on 0% of days. Onshore wind on 20% of days. Official warnings: 0.
  4. April: Usually moderate risk. High risk on 9% of days. Onshore wind on 57% of days. Official warnings: 0.
  5. May: Usually moderate risk. High risk on 32% of days. Onshore wind on 73% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 17% of days. Onshore wind on 99% of days. Official warnings: 0.
  7. July: Usually moderate risk. High risk on 3% of days. Onshore wind on 98% of days. Official warnings: 0.
  8. August: Usually moderate risk. High risk on 1% of days. Onshore wind on 100% of days. Official warnings: 0.
  9. September: Usually moderate risk. High risk on 5% of days. Onshore wind on 97% of days. Official warnings: 0.
  10. October: Usually moderate risk. High risk on 0% of days. Onshore wind on 53% of days. Official warnings: 0.
  11. November: Usually moderate risk. High risk on 0% of days. Onshore wind on 18% of days. Official warnings: 0.
  12. December: Usually moderate risk. High risk on 0% of days. Onshore wind on 0% 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.

Jellyfish in Koh Chang (Ranong) in December →

Questions and answers

Are there jellyfish at Ao Yai (Koh Chang Ranong) Beach in December?

December at Ao Yai (Koh Chang Ranong) Beach is a month of moderate risk. The prevailing north-east wind of about 4.3 m/s is blowing offshore; mean waves 0.26 m, water 28.4 °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.