AI-generatedSurat Thani at a glance
- Best time
- Dec – Mar
- Warmest month
- Apr · 36°
- Warmest sea
- May · 30.6°
- Sunshine a year
- 2,200 h
- Rain a year
- 1,639 mm
- Climate
- Tropical
- Time zone
- UTC+7
- Elevation
- 10 m
Climate in Surat Thani
Surat Thani has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. April is the warmest month with average highs of 36 °C, while December is the coolest at 30 °C. With around 2,200 hours of sunshine a year, Surat Thani is sunny; March is the sunniest month with 7.9 hours a day.
Holiday weather through the year
Best time to visit Surat Thani
The best time to visit Surat Thani is from December to March. For a beach holiday – sea from 21 °C, warm and mostly dry – go from January to March. From March to September it can get very hot, with highs of up to 36 °C. Rain is frequent from April to November; the wettest month is November with 297 mm.
Surat Thani through the seasons
How the weather changes over the seasons, with averages for each.
Surat Thani in the dry season
Dec – Mar
Good
- 30–35 °C by day
- Sea 28 °C
- 6.9 h of sun a day
- 41 rainy days in all
Surat Thani in the rainy season
Apr – Nov
Fair
- 31–36 °C by day
- Sea 30 °C
- 5.6 h of sun a day
- 169 rainy days in all
Which month for what?
Beach & swimming
Jan – Mar
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Mar – Sep
Highs of 33 °C or more
Rainy months
Apr – Nov
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Surat Thani for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: December – March
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 32°
- Afternoon, 16:00: about 32°
- Evening, 20:00: about 28°
- Night, 23:00: about 26°
06:1018:06
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 05:57–06:38 · evening 17:38–18:19
- Blue hour
- Morning 05:49–05:57 · evening 18:19–18:27
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.
October in Surat Thani compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 33° at the start of the month to 32° at the end. The days get 0.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 33° | 32° |
| Night-time low | 24° | 24° |
| Sea | 29° | 29° |
| Daylight | 12.1 h | 11.8 h |
What is the weather like in Surat Thani in October?
In October, Surat Thani is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 4.7 hours of sunshine a day. It rains often – on about 28 days, adding up to 269 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Surat Thani.
More details for October
- Daylight
- 11 h 56 min06:10 – 18:06
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 86 %on averageAll months
- Hot days
- 29 days30 °C or moreAll months
- Time zone
- UTC+7offset from UTC
How the score comes together
- Temperatureweight 35 %81 %
- Seaweight 25 %100 %
- Sunshineweight 20 %28 %
- 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
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Compare two months in Surat Thani
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
January has the better holiday weather in Surat Thani: score 83 against 59. In January, days are 1 °C cooler than in October. The sea is 1 °C cooler in January. January has 18 fewer rainy days. The sun shines 2 hours longer a day in January.
| Month | October | January |
|---|---|---|
| Holiday weather score | 59 | 83better |
| Daytime high | 32° | 31° |
| Night-time low | 24° | 22° |
| Sea | 29.1° | 27.7° |
| Sunshine | 4.7 h | 6.6 hbetter |
| Rainy days | 28 | 10better |
| Rainfall | 269 mm | 70 mmbetter |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
Surat Thani month by month
The typical weather for every month at a glance.
83January31° · Sea 28° · 6.6 h
In January, Surat Thani is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 6.6 hours a day. Rain is frequent, with about 10 rainy days and 70 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Surat Thani.
Surat Thani in January83February33° · Sea 28° · 7.6 h
In February, Surat Thani is hot: daytime highs average 33 °C, and even at night it stays warm at around 22 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7.6 hours a day. Rain falls on about 6 days, adding up to 43 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Surat Thani.
Surat Thani in February71March35° · Sea 29° · 7.9 h
In March, Surat Thani is very hot: daytime highs average 35 °C, and even at night it stays warm at around 23 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 7.9 hours a day. Rain falls on about 9 days, adding up to 88 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Surat Thani.
Surat Thani in March56April36° · Sea 31° · 7.5 h
In April, Surat Thani is very hot: daytime highs average 36 °C, and even at night it stays warm at around 24 °C. The sea averages 30.5 °C – almost as warm as a bath. The sun shines for around 7.5 hours a day. It rains often – on about 15 days, adding up to 129 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Surat Thani.
Surat Thani in April52May35° · Sea 31° · 6.2 h
In May, Surat Thani is very hot: daytime highs average 35 °C, and even at night it stays warm at around 25 °C. The sea averages 30.6 °C – almost as warm as a bath. Expect around 6.2 hours of sunshine a day. It rains often – on about 22 days, adding up to 131 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Surat Thani.
Surat Thani in May56June34° · Sea 30° · 5.9 h
In June, Surat Thani is very hot: daytime highs average 34 °C, and even at night it stays warm at around 24 °C. The sea averages 30.0 °C – almost as warm as a bath. Expect around 5.9 hours of sunshine a day. It rains often – on about 19 days, adding up to 96 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Surat Thani.
Surat Thani in June55July34° · Sea 30° · 5.4 h
In July, Surat Thani is very hot: daytime highs average 34 °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 5.4 hours of sunshine a day. It rains often – on about 19 days, adding up to 96 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Surat Thani.
Surat Thani in July56August34° · Sea 29° · 5.5 h
In August, Surat Thani is very hot: daytime highs average 34 °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 5.5 hours of sunshine a day. It rains often – on about 19 days, adding up to 101 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Surat Thani.
Surat Thani in August56September33° · Sea 29° · 4.9 h
In September, Surat Thani is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 4.9 hours of sunshine a day. It rains often – on about 23 days, adding up to 152 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Surat Thani.
Surat Thani in September59October32° · Sea 29° · 4.7 h
In October, Surat Thani is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 4.7 hours of sunshine a day. It rains often – on about 28 days, adding up to 269 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Surat Thani.
Surat Thani in October66November31° · Sea 29° · 4.7 h
In November, Surat Thani is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.7 °C – lovely and warm for swimming. Expect around 4.7 hours of sunshine a day. It rains often – on about 24 days, adding up to 297 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Surat Thani.
Surat Thani in November71December30° · Sea 28° · 5.5 h
In December, Surat Thani is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.8 °C – lovely and warm for swimming. Expect around 5.5 hours of sunshine a day. It rains often – on about 16 days, adding up to 166 mm. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Surat Thani.
Surat Thani in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Surat Thani
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 (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in February (22°), the warmest in May (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) all year, on about 365 days a year.
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 | 31° | 22° | 27.7° | 6.6 h | 10 | 70 |
| FebruaryFeb | 83 | 33° | 22° | 28.4° | 7.6 h | 6 | 43 |
| MarchMar | 71 | 35° | 23° | 29.4° | 7.9 h | 9 | 88 |
| AprilApr | 56 | 36° | 24° | 30.5° | 7.5 h | 15 | 129 |
| MayMay | 52 | 35° | 25° | 30.6° | 6.2 h | 22 | 131 |
| JuneJun | 56 | 34° | 24° | 30.0° | 5.9 h | 19 | 96 |
| JulyJul | 55 | 34° | 24° | 29.6° | 5.4 h | 19 | 96 |
| AugustAug | 56 | 34° | 24° | 29.4° | 5.5 h | 19 | 101 |
| SeptemberSep | 56 | 33° | 24° | 29.3° | 4.9 h | 23 | 152 |
| OctoberOct | 59 | 32° | 24° | 29.1° | 4.7 h | 28 | 269 |
| NovemberNov | 66 | 31° | 24° | 28.7° | 4.7 h | 24 | 297 |
| DecemberDec | 71 | 30° | 23° | 27.8° | 5.5 h | 16 | 166 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
9.14° N, 99.33° E · 10 m · Asia/Bangkok
Sea temperature
Sea temperature in Surat Thani
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 Surat Thani ranges from 27.7 °C in January to 30.6 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in May, while the air already peaks in April. The sea temperature varies from year to year: in May, eight out of ten years were between 29.8 and 31.4 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.7° | 27.1° | 28.8° | warm |
| FebruaryFeb | 28.4° | 27.8° | 29.0° | warm |
| MarchMar | 29.4° | 28.9° | 29.9° | very warm |
| AprilApr | 30.5° | 29.8° | 31.2° | very warm |
| MayMay | 30.6° | 29.8° | 31.4° | very warm |
| JuneJun | 30.0° | 29.5° | 30.7° | very warm |
| JulyJul | 29.6° | 29.0° | 30.0° | very warm |
| AugustAug | 29.4° | 28.9° | 29.9° | very warm |
| SeptemberSep | 29.3° | 28.9° | 29.9° | very warm |
| OctoberOct | 29.1° | 28.6° | 29.6° | very warm |
| NovemberNov | 28.7° | 28.0° | 29.4° | warm |
| DecemberDec | 27.8° | 26.9° | 28.7° | warm |
Sunshine
Sunshine hours in Surat Thani
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 4.7 of 11.9 hours of daylight in Surat Thani, 39 % of the daylight hours.
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.
Rain
Rain in Surat Thani: 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, Surat Thani has about 28 rainy days with 269 mm of rain in total.
UV index
UV index in Surat Thani
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 the time, 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.
Wind & clouds
Wind and clouds in Surat Thani
How breezy and how cloudy Surat Thani 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 Surat Thani typically peaks at 13 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 86 % of the sky over Surat Thani: mostly overcast, with about 4.7 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 & humidity
Heat and humidity in Surat Thani
How often the day gets hot in Surat Thani (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, Surat Thani has about 29 hot days, with an average daytime high of 32 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
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
Planning a trip to Surat Thani
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Surat Thani 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.
Surat Thani has its best school-holiday weather during the Christmas holidays (score 77) and its weakest during May half-term (score 53).
- 61
Easter holidays
Mar – Apr
Good
- 35 °C by day
- Sea 30 °C
- 7.6 h of sun a day
- 13 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 53
May half-term
May – Jun
Fair
- 35 °C by day
- Sea 30 °C
- 6.1 h of sun a day
- 21 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 56
Summer holidays
Jul – Aug
Fair
- 34 °C by day
- Sea 29 °C
- 5.5 h of sun a day
- 19 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 59
October half-term
Oct
Fair
- 32 °C by day
- Sea 29 °C
- 4.7 h of sun a day
- 28 rainy days a month
Keep in mind: Frequent rain
- 77
Christmas holidays
Dec – Jan
GoodBest holidays
- 31 °C by day
- Sea 28 °C
- 6.1 h of sun a day
- 13 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,880 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.
Good to know: Thailand
- Currency
- Thai Baht (THB)
- Language
- Thai
- Sockets
- Type A, B, C, F · 220 V
- Traffic
- Drives on the left
- Dialling code
- +66
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Surat Thani compared
Put Surat Thani side by side with another destination.
Surat Thani vs Koh Samui
In October Koh Samui has the better holiday weather (score 66 vs 59). During the day Koh Samui is 1 °C cooler than Surat Thani. The sea is about equally warm.
| in October | Surat Thani | Koh Samui |
|---|---|---|
| Holiday weather score | 59 | 66 |
| Daytime high | 32° | 31° |
| Sea | 29° | 29° |
| Sunshine | 5 h | 5 h |
| Rainy days | 28 | 28 |
| Best time | Dec – Mar | Jan – Mar |
Through the year
Best places in the country
Thailand in October: the best places
In October, Surat Thani ranks 20 among the 31 nearest destinations in this country.
- Pattaya31°30°67
- 2Koh Samui31°29°66
- 3Ko Pha-ngan28°29°66
- 4Koh Tao30°29°66
- 5Hua Hin31°29°66
- 6Ko Kut31°29°66
- 7Ranong31°29°65
- 8Ko Chang31°29°65
- 20Surat ThaniThis page32°29°59
Places nearby
Near Surat Thani
Other destinations close by.
Places with a similar climate
Places with a climate like Surat Thani
Destinations whose weather through the year is closest to Surat Thani's – good alternatives.
Frequently asked questions about Surat Thani
When is the best time to visit Surat Thani?
The best time to visit Surat Thani is from December to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Surat Thani?
The sea temperature in Surat Thani ranges from 27.7 °C in January to 30.6 °C in May. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Surat Thani in October?
Yes. In October the sea averages 29.1 °C – almost as warm as a bath.
What is the warmest month in Surat Thani?
April is the warmest month, with average highs of 36 °C and nights around 24 °C. December is the coolest month at 30 °C.
When does it rain most in Surat Thani?
Rain is frequent from April to November; the wettest month is November with 297 mm. The driest month is February with 43 mm.
How many hours of sunshine does Surat Thani get?
Surat Thani gets around 2,200 hours of sunshine a year. The sunniest month is March with 7.9 hours a day; in October there are 4.7 hours a day.
What time zone is Surat Thani in?
Surat Thani is on UTC+7 all year.
How long is the flight from London to Surat Thani?
A nonstop flight from London to Surat Thani takes about 12 h 25 min, for a straight-line distance of about 9,880 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Surat Thani?
Surat Thani has its best school-holiday weather during the Christmas holidays (score 77) and its weakest during May half-term (score 53). Holiday ratings (0–100): Easter holidays 61, May half-term 53, summer holidays 56, October half-term 59, Christmas holidays 77.