AI-generatedKo Pha-ngan at a glance
- Best time
- Dec – Apr
- Warmest month
- May · 27°
- Warmest sea
- May · 30.4°
- Sunshine a year
- 2,300 h
- Rain a year
- 1,738 mm
- Climate
- Tropical
- Time zone
- UTC+7
- Elevation
- 430 m
Climate in Ko Pha-ngan
Ko Pha-ngan has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. May is the warmest month with average highs of 27 °C, while January is the coolest at 24 °C. With around 2,300 hours of sunshine a year, Ko Pha-ngan is sunny; March is the sunniest month with 8.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: December – April
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 24°
- Midday, 13:00: about 25°
- Afternoon, 16:00: about 25°
- Evening, 20:00: about 24°
- Night, 23:00: about 24°
06:0818:03
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:55–06:36 · evening 17:35–18:16
- Blue hour
- Morning 05:47–05:55 · evening 18:16–18:24
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Ko Pha-ngan in October?
In October, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 308 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Ko Pha-ngan.
More details for October
- Daylight
- 11 h 55 min06:08 – 18:03
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 83 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Ko Pha-ngan
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.6 – 29.6 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Ko Pha-ngan ranges from 27.8 °C in January to 30.4 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in May, eight out of ten years were between 29.7 and 31.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.8° | 27.0° | 28.6° | warm |
| FebruaryFeb | 28.2° | 27.5° | 28.7° | warm |
| MarchMar | 28.9° | 28.3° | 29.4° | warm |
| AprilApr | 30.0° | 29.5° | 30.6° | very warm |
| MayMay | 30.4° | 29.7° | 31.2° | very warm |
| JuneJun | 30.0° | 29.4° | 30.6° | very warm |
| JulyJul | 29.6° | 29.1° | 30.0° | very warm |
| AugustAug | 29.4° | 28.9° | 29.8° | very warm |
| SeptemberSep | 29.2° | 28.7° | 29.9° | very warm |
| OctoberOct | 29.0° | 28.6° | 29.6° | very warm |
| NovemberNov | 28.7° | 28.0° | 29.4° | warm |
| DecemberDec | 28.0° | 27.3° | 28.8° | warm |
Sunshine hours in Ko Pha-ngan
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.9 of 11.9 hours of daylight in Ko Pha-ngan, 41 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Ko Pha-ngan
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 12 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in April (UV 14).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 25 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Ko Pha-ngan: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Ko Pha-ngan has about 26 rainy days with 308 mm of rain in total.
Wind and clouds in Ko Pha-ngan
How breezy and how cloudy Ko Pha-ngan is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Ko Pha-ngan typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: May – Mar.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 83 % of the sky over Ko Pha-ngan: mostly overcast, with about 4.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Ko Pha-ngan
How often the day gets hot in Ko Pha-ngan (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Ko Pha-ngan has about 0 hot days, with an average daytime high of 25 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Ko Pha-ngan
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in January (23°), the warmest in April (25°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 365 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 83 | 24° | 23° | 27.8° | 6.9 h | 8 | 69 |
| FebruaryFeb | 90 | 25° | 24° | 28.2° | 7.7 h | 6 | 41 |
| MarchMar | 91 | 25° | 24° | 28.9° | 8.1 h | 8 | 80 |
| AprilApr | 84 | 26° | 25° | 30.0° | 8.0 h | 13 | 107 |
| MayMay | 72 | 27° | 25° | 30.4° | 6.5 h | 23 | 156 |
| JuneJun | 70 | 26° | 25° | 30.0° | 5.9 h | 20 | 120 |
| JulyJul | 68 | 26° | 24° | 29.6° | 5.4 h | 21 | 117 |
| AugustAug | 69 | 26° | 24° | 29.4° | 5.6 h | 20 | 120 |
| SeptemberSep | 67 | 26° | 24° | 29.2° | 5.0 h | 23 | 177 |
| OctoberOct | 66 | 25° | 23° | 29.0° | 4.9 h | 26 | 308 |
| NovemberNov | 68 | 25° | 23° | 28.7° | 5.3 h | 21 | 297 |
| DecemberDec | 76 | 25° | 23° | 28.0° | 6.2 h | 13 | 146 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
9.76° N, 100.03° E · 430 m · Asia/Bangkok
Best time to visit Ko Pha-ngan
The best time to visit Ko Pha-ngan is from December to April. For a beach holiday with the sea above 21 °C, go from January to March. For sightseeing, day trips and hiking, conditions are most comfortable from January to March. Rain is most frequent from April to December; the wettest month is October with 308 mm.
Ko Pha-ngan through the seasons
How the weather changes over the seasons, with averages for each.
Ko Pha-ngan in the dry season
Jan – Mar
Excellent
- 24–25 °C by day
- Sea 28 °C
- 8 h of sun a day
- 23 rainy days in all
Ko Pha-ngan in the rainy season
Apr – Dec
Good
- 25–27 °C by day
- Sea 29 °C
- 6 h of sun a day
- 180 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Ko Pha-ngan for you.
Your best months: February – April
Based on the climate averages; tap a month to see its details.
Compare two months in Ko Pha-ngan
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
March has the better holiday weather in Ko Pha-ngan: score 91 against 66. Daytime highs are about the same. The sea is about as warm in both months. March has 18 fewer rainy days. The sun shines 3 hours longer a day in March.
| Month | October | March |
|---|---|---|
| Weather score | 66 | 91better |
| Day high | 25° | 25° |
| Night low | 23° | 24° |
| Sea | 29.0° | 28.9° |
| Sunshine | 4.9 h | 8.1 hbetter |
| Rainy days | 26 | 8better |
| Rainfall | 308 mm | 80 mmbetter |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jan – Mar
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jan – Mar
15–28 °C and not too much rain
Rainy months
Apr – Dec
12 or more rainy days
Ko Pha-ngan month by month
The typical weather for every month at a glance.
83January24° · Sea 28° · 7 h
In January, Ko Pha-ngan is warm: daytime highs average 24 °C, and even at night it stays warm at around 23 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 69 mm. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in January90February25° · Sea 28° · 8 h
In February, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 24 °C. The sea averages 28.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 41 mm. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in February91March25° · Sea 29° · 8 h
In March, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 24 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 80 mm. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in March84April26° · Sea 30° · 8 h
In April, Ko Pha-ngan is warm: daytime highs average 26 °C, and even at night it stays warm at around 25 °C. The sea averages 30.0 °C – almost as warm as a bath. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 107 mm in total. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in April72May27° · Sea 30° · 7 h
In May, Ko Pha-ngan is warm: daytime highs average 27 °C, and even at night it stays warm at around 25 °C. The sea averages 30.4 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 23 days, totalling 156 mm. The air is often humid and muggy. All in all, May is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in May70June26° · Sea 30° · 6 h
In June, Ko Pha-ngan is warm: daytime highs average 26 °C, and even at night it stays warm at around 25 °C. The sea averages 30.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 120 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in June68July26° · Sea 30° · 5 h
In July, Ko Pha-ngan is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 29.6 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 117 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in July69August26° · Sea 29° · 6 h
In August, Ko Pha-ngan is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 120 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in August67September26° · Sea 29° · 5 h
In September, Ko Pha-ngan is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 177 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in September66October25° · Sea 29° · 5 h
In October, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 308 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in October68November25° · Sea 29° · 5 h
In November, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 28.7 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 297 mm. The air is often humid and muggy. All in all, November is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in November76December25° · Sea 28° · 6 h
In December, Ko Pha-ngan is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 28.0 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 146 mm in total. The air is often humid and muggy. All in all, December is a good month for a holiday in Ko Pha-ngan.
Ko Pha-ngan in DecemberKo Pha-ngan compared
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Ko Pha-ngan vs. Koh Samui
In October the holiday weather in Ko Pha-ngan and Koh Samui is about equally good (score 66 vs. 66). During the day Koh Samui is 3 °C warmer than Ko Pha-ngan. The sea is about equally warm.
| in October | Ko Pha-ngan | Koh Samui |
|---|---|---|
| Holiday score | 66 | 66 |
| Daytime high | 25° | 28° |
| Sea | 29° | 29° |
| Sunshine | 5 h | 5 h |
| Rainy days | 26 | 28 |
| Best time | Dec – Apr | Jan – Apr |
Through the year
Thailand in October: the best places
In October, Ko Pha-ngan ranks 3 of 12 destinations in this country.
- Hua Hin29°29°67
- 2Pattaya30°30°67
- 3Ko Pha-nganThis page25°29°66
- 4Koh Samui28°29°66
- 5Koh Tao27°29°66
- 6Ao Nang28°29°64
- 7Khao Lak28°29°64
- 8Koh Lanta28°29°64
Planning a trip to Ko Pha-ngan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Ko Pha-ngan in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Ko Pha-ngan has its best school-holiday weather during the Easter holidays (score 86) and its weakest during October half-term (score 66).
- 86
Easter holidays
Mar – Apr
ExcellentBest holidays
- 26 °C by day
- Sea 30 °C
- 8.0 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 72
May half-term
May – Jun
Good
- 27 °C by day
- Sea 30 °C
- 6.4 h of sun a day
- 22 rainy days a month
Keep in mind: Frequent rain
- 69
Summer holidays
Jul – Aug
Good
- 26 °C by day
- Sea 29 °C
- 5.5 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain
- 66
October half-term
Oct
Good
- 25 °C by day
- Sea 29 °C
- 4.9 h of sun a day
- 26 rainy days a month
Keep in mind: Frequent rain
- 80
Christmas holidays
Dec – Jan
Excellent
- 24 °C by day
- Sea 28 °C
- 6.6 h of sun a day
- 10 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,870 km
- Time zone
- UTC+7
- Jet lag
- About 6 days (6 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Ko Pha-ngan
When is the best time to visit Ko Pha-ngan?
The best time to visit Ko Pha-ngan is from December to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Ko Pha-ngan?
The sea temperature in Ko Pha-ngan ranges from 27.8 °C in January to 30.4 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Ko Pha-ngan in October?
Yes. In October the sea averages 29.0 °C – almost as warm as a bath.
What is the warmest month in Ko Pha-ngan?
May is the warmest month, with average highs of 27 °C and nights around 25 °C. January is the coolest month at 24 °C.
When does it rain most in Ko Pha-ngan?
Rain is most frequent from April to December; the wettest month is October with 308 mm. The driest month is February with 41 mm.
How many hours of sunshine does Ko Pha-ngan get?
Ko Pha-ngan gets around 2,300 hours of sunshine a year. The sunniest month is March with 8.1 hours a day; in October there are 4.9 hours a day.
What time zone is Ko Pha-ngan in?
Ko Pha-ngan uses the time zone Asia/Bangkok, at UTC+7 all year.
How long is the flight from London to Ko Pha-ngan?
A nonstop flight from London to Ko Pha-ngan takes about 12 h 25 min, for a straight-line distance of about 9,870 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Ko Pha-ngan?
Ko Pha-ngan has its best school-holiday weather during the Easter holidays (score 86) and its weakest during October half-term (score 66). Holiday ratings (0–100): Easter holidays 86, May half-term 72, Summer holidays 69, October half-term 66, Christmas holidays 80.
Near Ko Pha-ngan
Other destinations close by.
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Destinations whose weather through the year is closest to Ko Pha-ngan's – good alternatives.