Surat Thani weather in October

In October, Surat Thani sees average daytime highs of 30°C and overnight lows near 25°C, with 268 mm of rain across 27.3 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 5% of the time in October, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 42 min by month's end. Set against the rest of the year, October is Surat Thani's 8th-clearest and 11th-windiest month. For the whole year in context, see Surat Thani's year-round climate.

Daytime high
30°
9th warmest
Overnight low
25°
5th coldest
Rainfall
268 mm
27.3 wet days
Daylight
11 h 48 min
6:14 AM – 6:02 PM
Cloud cover
84%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
4.4 kWh/m²
Travel score
3.0
out of 10

Surat Thani is city in Surat Thani province, Thailand.

Air quality
Elevated
PM2.5 17 µg/m³ · 2019
Density
1,914/km²
people per km²
Founded
1930

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Surat Thani reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, October runs about 1°C cooler than September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
272925
282925
292925
302925
312925

How October really feels in Surat Thani

Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Surat Thani weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°699.511.55.3
Feb31° / 25°314.811.75.2
Mar32° / 25°929.211.94.1
Apr33° / 26°11414.412.23.2
May32° / 26°12422.112.42.6
Jun32° / 26°9518.712.53.0
Jul32° / 26°8918.512.53.2
Aug32° / 26°10819.812.33.1
Sep31° / 25°15523.712.12.9
Oct30° / 25°26827.311.83.0
Nov29° / 25°26723.511.63.5
Dec29° / 25°14915.711.54.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 7% of October, with mostly cloudy or overcast conditions the remaining 88%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5991
6991
7991
8991
91090
101090
111090
121189
131189
141189
151288
161288
171288
181288
191288
201387
211387
221486
231486
241684
251684
261783
271783
281783
291882
301981
311981

Chance of precipitation in October

Any precipitation

Surat Thani gets around 268 mm of rain over 27.3 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
289
389
490
590
690
789
889
989
1088
1188
1288
1387
1487
1587
1687
1787
1886
1987
2087
2187
2287
2387
2487
2587
2687
2787
2887
2987
3086
3186

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the miserable band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
103367
203268
303268
403169
503070
602971
702872
802773
902674
1002575
1102575
1202476
1302377
1402377
1502278
1602278
1702179
1802179
1902080
2002080
2102080
2202080
2302179
2402179
2502278
2602377
2702476
2802575
2902674
3012772
3112871

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 6:14 AM to 6:16 AM, and sunset from 6:09 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:146:09
211.96:146:09
311.96:146:08
411.96:146:08
511.96:146:07
611.96:146:06
711.96:146:06
811.96:146:05
911.96:146:05
1011.86:146:04
1111.86:146:04
1211.86:146:03
1311.86:146:03
1411.86:146:02
1511.86:146:02
1611.86:146:02
1711.86:146:01
1811.86:146:01
1911.86:146:00
2011.86:146:00
2111.86:146:00
2211.76:145:59
2311.76:145:59
2411.76:155:58
2511.76:155:58
2611.76:155:58
2711.76:155:58
2811.76:155:57
2911.76:155:57
3011.76:165:57
3111.76:165:57

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.4 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.26 kWh/m² in March across the year — October's 4.4 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in October

Hazard calendar for Surat Thani

In seasonPeak

In October, Surat Thani sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Surat Thani sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Surat Thani's rainy season runs September–December, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Surat Thani?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
9th-best month of the year
4.1
Beach & pool
12th-best month of the year

October is a weaker month for outdoor sightseeing in Surat Thani.

What to pack for Surat Thani in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Surat Thani sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

Sea temperature near Surat Thani in October

The nearest coast averages about 29°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Surat Thani in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Surat Thani peaks around August 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 21UV 13Dec 16UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Surat Thani in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Surat Thani is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Surat Thani's WHO annual average of 17 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1021 µg/m³Aug 2014 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar21Moderate
Apr21Moderate
May17Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep15Moderate
Oct15Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Surat Thani?

Surat Thani sits at 9.1°N, 99.3°E, 10 m above sea level, in Thailand. The nearest listed city is Tha Kham, 12 km away.

Lang SuanKo Pha-nganNakhon Si ThammaratThung SongKo Tao

Topography around Surat Thani

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Surat Thani.

Within 3 km, the terrain around Surat Thani has only modest variations in elevation — a maximum elevation change of 35 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 308 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,599 m.

The land around Surat Thani is covered by artificial surfaces (45%) and trees (35%) within 3 km, trees (57%) and water (23%) within 16 km, and trees (68%) and water (29%) within 80 km.

3 km
35 m
16 km
308 m
80 km
1,599 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
October weather nearby: Tha Kham 12 km · Ban Na San 38 km · Ko Samui 79 km · Lang Suan 94 km · Ko Pha-ngan 103 km · Nakhon Si Thammarat 105 km · Thung Song 115 km · Ko Tao 119 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Surat Thani (9.1401°, 99.3331°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).