Jellyfish in Koh Chang (Ranong) in May

May in Koh Chang (Ranong) is a month of moderate risk. The prevailing south-west wind of about 4.8 m/s is blowing from the sea onto the beach; mean waves 0.43 m, water 31.4 °C. Based on 2022–2026 weather the model rates about 33% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.

Typical risk this monthModerate
  • Low 4%
  • Moderate 64%
  • High 33%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 33% of days are high or very high.

Risk in Koh Chang (Ranong) today →

Weather and sea in May

Wind4.8 m/s, south-west
Onshore wind2.7 m/s
Waves0.43 m
Water31.4 °C
Rain381 mm · 25 days

Beaches this month

BeachesTypical riskOnshore windDMCR
Ao Yai (Koh Chang Ranong)Moderate2.20
Ao Siad (Koh Chang Ranong)Moderate3.20

Official cases in May

No official warnings nearby in this month.

Jellyfish found here

Koh Chang (Ranong): jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 4% of days. Official warnings: 0.
  2. February: Usually moderate risk. High risk on 0% of days. Onshore wind on 8% of days. Official warnings: 0.
  3. March: Usually moderate risk. High risk on 0% of days. Onshore wind on 17% of days. Official warnings: 0.
  4. April: Usually moderate risk. High risk on 9% of days. Onshore wind on 51% of days. Official warnings: 0.
  5. May: Usually moderate risk. High risk on 33% of days. Onshore wind on 74% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 14% of days. Onshore wind on 99% of days. Official warnings: 0.
  7. July: Usually moderate risk. High risk on 2% 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 4% 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 56% of days. Official warnings: 0.
  11. November: Usually moderate risk. High risk on 0% of days. Onshore wind on 17% 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.

Questions and answers

Are there jellyfish in Koh Chang (Ranong) in May?

May in Koh Chang (Ranong) is a month of moderate risk. The prevailing south-west wind of about 4.8 m/s is blowing from the sea onto the beach; mean waves 0.43 m, water 31.4 °C. Based on 2022–2026 weather the model rates about 33% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.

Where in Koh Chang (Ranong) is the jellyfish risk lowest in May?

Based on this month’s weather the risk is lowest at: Ao Yai (Koh Chang Ranong), Ao Siad (Koh Chang Ranong).

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.