Jellyfish in Khao Lak in May
May in Khao Lak is one of the higher-risk months. The prevailing west wind of about 2.2 m/s is blowing from the sea onto the beach; mean waves 0.56 m, water 31 °C. Based on 2022–2026 weather the model rates about 54% of days in this month as high risk. Official DMCR jellyfish warnings in May: 1.
Weather and sea in May
| Wind | 2.2 m/s, west |
|---|---|
| Onshore wind | 0.9 m/s |
| Waves | 0.56 m |
| Water | 31 °C |
| Rain | 393 mm · 27.2 days |
Beaches this month
| Beaches | Typical risk | Onshore wind | DMCR |
|---|---|---|---|
| Pak Weep Beach | Moderate | 0.1 | 0 |
| Bang Lut Beach | High | 0.7 | 0 |
| Bang Sak Beach | High | 0.7 | 0 |
| Bang Niang Beach | High | 1.1 | 0 |
| Khao Lak Beach (Sunset Beach) | High | 0.9 | 0 |
| Khuk Khak Beach | High | 1 | 0 |
| Nang Thong Beach | High | 1 | 0 |
| Natai Beach | High | 1.1 | 1 |
| Pakarang Beach | High | 1 | 0 |
| Thai Mueang Beach | High | 1.3 | 0 |
Official cases in May
- DMCRSai Kaew Beach · หาดไม้ขาว อ.ถลาง จ.ภูเก็ต
Jellyfish found here
Khao Lak: jellyfish month by month
- January: Usually low risk. High risk on 0% of days. Onshore wind on 14% of days. Official warnings: 0. Eyewitness reports: 9.
- February: Usually moderate risk. High risk on 0% of days. Onshore wind on 22% of days. Official warnings: 0. Eyewitness reports: 8.
- March: Usually moderate risk. High risk on 9% of days. Onshore wind on 33% of days. Official warnings: 0. Eyewitness reports: 24.
- April: Usually high risk. High risk on 61% of days. Onshore wind on 58% of days. Official warnings: 0. Eyewitness reports: 21.
- May: Usually high risk. High risk on 54% of days. Onshore wind on 66% of days. Official warnings: 1. Eyewitness reports: 15.
- June: Usually moderate risk. High risk on 10% of days. Onshore wind on 91% of days. Official warnings: 2. Eyewitness reports: 17.
- July: Usually moderate risk. High risk on 0% of days. Onshore wind on 93% of days. Official warnings: 0. Eyewitness reports: 2.
- August: Usually low risk. High risk on 0% of days. Onshore wind on 95% of days. Official warnings: 0.
- September: Usually moderate risk. High risk on 2% of days. Onshore wind on 91% of days. Official warnings: 0. Eyewitness reports: 14.
- October: Usually moderate risk. High risk on 1% of days. Onshore wind on 54% of days. Official warnings: 0. Eyewitness reports: 10.
- November: Usually low risk. High risk on 0% of days. Onshore wind on 23% of days. Official warnings: 0. Eyewitness reports: 13.
- December: Usually low risk. High risk on 0% of days. Onshore wind on 7% of days. Official warnings: 0. Eyewitness reports: 8.
- 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 Khao Lak in May?
May in Khao Lak is one of the higher-risk months. The prevailing west wind of about 2.2 m/s is blowing from the sea onto the beach; mean waves 0.56 m, water 31 °C. Based on 2022–2026 weather the model rates about 54% of days in this month as high risk. Official DMCR jellyfish warnings in May: 1.
Where in Khao Lak is the jellyfish risk lowest in May?
Based on this month’s weather the risk is lowest at: Pak Weep Beach, Bang Lut Beach, Bang Sak Beach.
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.




