Weather in Ko Pha Ngan - 14-day forecast

Detailed weather forecast for Ko Pha Ngan, Thailand: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Ko Pha Ngan

today🌧️ 28°💧 2.9 mm

Thu🌧️ 28°💧 0.9 mm

Fri🌧️ 28°💧 1.1 mm

Sat🌧️ 28°💧 2.1 mm

Sun🌧️ 29°💧 2.9 mm

Mon🌧️ 28°💧 10.2 mm

Tue🌧️ 28°💧 4.9 mm

Wed🌧️ 28°💧 4.9 mm

14-day forecast - Ko Pha Ngan

📅 Ko Pha Ngan 30 & 45-day weather - long-range outlook

Next 16 days · forecast

29°

around 29° at night · days with rain: 13

Weeks 3-4 · avg for July

33°

around 27° at night · rain chance 48%

Weeks 5-7 · avg for August

33°

around 27° at night · rain chance 39%

The 30 & 45-day outlook for Ko Pha Ngan: the next 16 days are a numerical forecast updated daily - on average 29° by day and 29° at night. Further out we rely on multi-year climate averages: around 33° in July, and about 33° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Ko Pha Ngan

Wednesday8 July 2026

🌧️28°light rain

sunrise 06:05 · sunset 18:45 · night 29° · evening 29° · rain 2.92 mm · humidity 79% · wind 9 m/s · clouds 80%

Thursday9 July 2026

🌧️28°light rain

sunrise 06:05 · sunset 18:45 · night 29° · evening 30° · rain 0.85 mm · humidity 78% · wind 10 m/s · clouds 78%

Friday10 July 2026

🌧️28°light rain

sunrise 06:05 · sunset 18:45 · night 28° · evening 30° · rain 1.14 mm · humidity 80% · wind 11 m/s · clouds 100%

Saturday11 July 2026

🌧️28°light rain

sunrise 06:06 · sunset 18:45 · night 29° · evening 29° · rain 2.11 mm · humidity 75% · wind 10 m/s · clouds 99%

Sunday12 July 2026

🌧️29°light rain

sunrise 06:06 · sunset 18:45 · night 28° · evening 29° · rain 2.85 mm · humidity 76% · wind 11 m/s · clouds 97%

Monday13 July 2026

🌧️28°light rain

sunrise 06:06 · sunset 18:45 · night 28° · evening 27° · rain 10.18 mm · humidity 77% · wind 13 m/s · clouds 100%

Tuesday14 July 2026

🌧️28°light rain

sunrise 06:06 · sunset 18:45 · night 28° · evening 28° · rain 4.86 mm · humidity 78% · wind 12 m/s · clouds 100%

Wednesday15 July 2026

🌧️28°light rain

sunrise 06:07 · sunset 18:45 · night 29° · evening 29° · rain 4.86 mm · humidity 75% · wind 10 m/s · clouds 100%

Thursday16 July 2026

🌧️29°light rain

sunrise 06:07 · sunset 18:45 · night 29° · evening 29° · rain 2.76 mm · humidity 72% · wind 11 m/s · clouds 94%

Friday17 July 2026

🌧️28°light rain

sunrise 06:07 · sunset 18:45 · night 29° · evening 29° · rain 0.84 mm · humidity 74% · wind 10 m/s · clouds 100%

Saturday18 July 2026

🌧️30°light rain

sunrise 06:07 · sunset 18:45 · night 29° · evening 30° · rain 1.02 mm · humidity 70% · wind 11 m/s · clouds 100%

Sunday19 July 2026

🌧️30°light rain

sunrise 06:07 · sunset 18:45 · night 29° · evening 29° · rain 2.97 mm · humidity 70% · wind 11 m/s · clouds 100%

Monday20 July 2026

🌧️29°light rain

sunrise 06:08 · sunset 18:45 · night 29° · evening 29° · rain 0.81 mm · humidity 73% · wind 10 m/s · clouds 100%

Tuesday21 July 2026

🌧️29°light rain

sunrise 06:08 · sunset 18:45 · night 29° · evening 29° · rain 1.38 mm · humidity 72% · wind 11 m/s · clouds 75%

Wednesday22 July 2026

🌧️29°moderate rain

sunrise 06:08 · sunset 18:44 · night 29° · evening 28° · rain 9.15 mm · humidity 76% · wind 11 m/s · clouds 78%

Thursday23 July 2026

🌧️29°light rain

sunrise 06:08 · sunset 18:44 · night 29° · evening 29° · rain 3.39 mm · humidity 76% · wind 9 m/s · clouds 100%

☀️ UV index in Ko Pha Ngan - is it safe to sunbathe?

Today the UV index in Ko Pha Ngan is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

🌊 Sea temperature - Ko Pha Ngan

Water today

31°C

Week avg

31°C

Waves today

0.4 m

How's the water?

very warm

16-day sea temperature forecast:

8.07 31°C9.07 31°C10.07 31°C11.07 31°C12.07 31°C13.07 30°C14.07 30°C15.07 30°C16.07 30°C

Average sea temperature through the year:

Jan 28°CFeb 29°CMar 30°CApr 32°CMay 32°CJun 31°CJul 30°CAug 31°CSep 30°COct 30°CNov 30°CDec 29°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Ko Pha Ngan

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Khlong Luang	31.1	34.3	good
Pak Kret	29.6	33.4	good
Nakhon Ratczasima	13.2	16.9	good
Bangkok	12.8	15.8	very good
Cziang Maj	11.1	14.4	very good
Chon Buri	4	5.5	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 08:00).

Ko Pha Ngan weather through the year

Warmest, driest months on average: January, February, December.

FAQ - Ko Pha Ngan weather

What is the weather like in Ko Pha Ngan today?

Today it is about 28° during the day and 29° at night, light rain.

How far ahead can I check the forecast for Ko Pha Ngan?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.