Clear for the next 2 hours
Radar's quiet across every side of the island.
Live radar
Next 24 hours
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Koh Phangan weather, coast by coast
Koh Phangan is small enough that a single daily forecast is close to useless: it can pour in Chaloklum on the north coast while Haad Rin in the south stays dry. Island Pulse samples radar across the island separately, so the call you get is for the side you're actually on.
That matters most around the things people plan their day around here — the pier at Thong Sala, scooter trips over the hill road to Haad Yuan, sunset at Zen Beach, and the Full Moon Party crowd heading to Haad Rin at night.
Koh Phangan weather by season
- January – March
- Generally the driest stretch in the Gulf of Thailand. Short showers still happen, but long clear windows are common.
- April – June
- Hot and humid with build-up afternoon storms. Mornings are usually the safest window for boats and scooters.
- July – September
- Mixed. Passing squalls roll through quickly — radar timing matters more than the daily forecast icon.
- October – December
- Northeast monsoon: the wettest period. Heavy multi-hour rain and occasional ferry disruption are normal.
Koh Phangan weather FAQ
- Is it raining on Koh Phangan right now?
- The card at the top of this page answers that from live radar, updated every few minutes, and tells you which coast the rain is on and roughly when it clears.
- Will it rain on Koh Phangan in the next 2 hours?
- Island Pulse tracks radar cells and their direction of travel, so the page gives a clock-time estimate for arrival instead of a vague daily icon. Beyond about 2 hours it switches to model forecast.
- When is the rainy season on Koh Phangan?
- The Gulf islands run on the northeast monsoon, so October to December is the wettest period — unlike Phuket and the Andaman side, which peak mid-year.
- How accurate is the forecast?
- Short-range radar nowcasting is reliable for roughly the next 1–2 hours. The 7-day outlook is model data and, as the card notes, is indicative only beyond three days.