About Koh Phangan
Koh Phangan is a tropical paradise in the Gulf of Thailand, known worldwide for its legendary Full Moon Party on Haad Rin beach. Beyond the party scene, the island offers pristine beaches, lush jungle interior, world-class yoga and wellness retreats, and excellent snorkeling and diving opportunities.
Quick Facts
Sunny Days/Year
240 days
Beaches
30
Coastline
60 km
Resorts
180
Dive Sites
15
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Daylight, UV and air quality in Koh Phangan
Live conditions, updated continuously — sun times calculated for this exact location.
Daylight
11h 46m
Day length
- Sunrise
- 06:11
- Sunset
- 17:57
- Golden hour
- 17:28
- Blue hour
- 18:19
UV indexLive
Air qualityLive
Sources: Open-Meteo and our own solar calculations
Climate in Koh Phangan month by month
Long-term averages 1991–2020 — what the weather is normally like, not a forecast.
Best time to go
January – April
Find places to stay in Koh Phangan in January
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| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | 24° | 24° | 25° | 26° | 26° | 26° | 26° | 26° | 25° | 25° | 25° | 24° |
| Night | 23° | 23° | 24° | 24° | 24° | 24° | 24° | 24° | 23° | 23° | 23° | 23° |
| Precipitation (mm) | 75 | 35 | 87 | 101 | 150 | 125 | 117 | 125 | 180 | 307 | 268 | 131 |
| Rain days (days) | 10 | 6 | 9 | 13 | 23 | 20 | 21 | 21 | 24 | 27 | 21 | 13 |
| Sunshine (h/day) | 10.6 | 10.9 | 10.8 | 11.2 | 10.7 | 10 | 9.7 | 9.6 | 9 | 8.9 | 9.4 | 10 |
| Colour shows how well the month suits a trip |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
Chance of rain in Koh Phangan month by month
How often it normally rains — share of days with at least 1 mm, averaged over 1991–2020.
Driest period
December – April
Driest month
February · 21%
Wettest month
October · 86%
Chance of rain
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain probability | 31% | 21% | 30% | 44% | 75% | 68% | 69% | 66% | 79% | 86% | 69% | 42% |
Rain days per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain days (days) | 10 | 6 | 9 | 13 | 23 | 20 | 21 | 21 | 24 | 27 | 21 | 13 |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
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Where to stay in Koh Phangan
An interactive map of hotels and apartments in Koh Phangan, from our partner Stay22.
Top Attractions
Haad Rin Beach
Home of the legendary Full Moon Party with stunning sunrise views
Bottle Beach
Secluded paradise accessible only by boat or jungle trek
Secret Beach
Hidden cove with crystal-clear waters and peaceful atmosphere
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Things to do in Koh Phangan
Tours and activities in Koh Phangan, from our partner GetYourGuide.
Best Time to Visit
The best time to visit Koh Phangan is from December to April when the weather is dry and sunny. Famous for its Full Moon Party, the island in the Gulf of Thailand has its wettest months from October to December. The dry season offers calm seas perfect for snorkeling, diving, and exploring secluded beaches like Bottle Beach and Haad Rin.
DecemberJanuaryFebruaryMarchApril
Climate Overview
Climate Type: Tropical monsoon (Gulf)
Koh Phangan has a tropical monsoon climate similar to neighboring Koh Samui, influenced by the Gulf of Thailand. The island enjoys warm temperatures of 26-32°C year-round with the wettest period from October to December. The northeast monsoon brings rain to this coast while Thailand's west coast stays dry. Water temperatures remain warm at 27-29°C throughout the year.
Monthly Weather Overview
| Month | High °CMax | Low °CMin | Rain mmmm |
|---|---|---|---|
January | 29° | 23° | 80 |
February | 30° | 24° | 25 |
March | 31° | 25° | 40 |
April | 33° | 26° | 70 |
May | 33° | 26° | 145 |
June | 32° | 26° | 95 |
July | 32° | 25° | 95 |
August | 32° | 25° | 90 |
September | 31° | 25° | 135 |
October | 30° | 24° | 250 |
November | 29° | 24° | 350 |
December | 28° | 23° | 190 |
Weather in Koh Phangan
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