Sam Roi Yot weather in October

In October, Sam Roi Yot sees average daytime highs of 30°C and overnight lows near 23°C, with 232 mm of rain across 24.8 wet days and about 11.7 hours of daylight. It is the 10th-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 9% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 36 min by month's end. Set against the rest of the year, October is Sam Roi Yot's 7th-clearest and 12th-windiest month. For the whole year in context, see Sam Roi Yot's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
6th coldest
Rainfall
232 mm
24.8 wet days
Daylight
11 h 42 min
6:14 AM – 5:57 PM
Cloud cover
79%
7th clearest
Wind
6 km/h
12th windiest
Solar energy
4.19 kWh/m²
Travel score
3.3
out of 10

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 Sam Roi Yot reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How October really feels in Sam Roi Yot

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.

Sam Roi Yot weather by month

How October compares with the rest of the year at a glance. October is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°294.711.45.7
Feb32° / 22°184.611.64.8
Mar33° / 23°6810.711.93.5
Apr34° / 25°961712.32.5
May33° / 25°18025.412.62.1
Jun32° / 25°14323.312.72.6
Jul31° / 24°17924.512.62.8
Aug31° / 24°18224.712.42.8
Sep31° / 24°23026.112.12.6
Oct30° / 23°23224.811.73.3
Nov30° / 23°629.711.45.2
Dec29° / 21°163.411.36.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2892
3892
4892
5991
6991
71189
81189
91288
101387
111387
121585
131684
141684
151882
161882
172080
182179
192278
202377
212575
222674
232773
242872
253070
263169
273367
283466
293664
303862
313961

Chance of precipitation in October

Any precipitation

Sam Roi Yot gets around 232 mm of rain over 24.8 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 79% and peaks near 92% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
292
392
492
591
691
791
890
989
1089
1188
1287
1386
1484
1583
1682
1781
1880
1978
2077
2175
2274
2372
2469
2567
2665
2762
2860
2958
3056
3153

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1008614
2018415
3018415
4018415
5018316
6018316
7018316
8018217
9018217
10018217
11028117
12028117
13028117
14028117
15028216
16028216
17128116
18138016
19138016
20147916
21148015
22157915
23177814
24287713
252107513
262117512
273137212
283157111
294176910
304196710
31420679

Wind in October

Winds average 6 km/h in October, the calmest month.

Across October, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over October. Sunrise moves from 6:13 AM to 6:17 AM, and sunset from 6:06 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:136:06
211.96:136:06
311.96:136:05
411.96:136:04
511.86:136:04
611.86:136:03
711.86:136:02
811.86:136:02
911.86:136:01
1011.86:136:01
1111.86:136:00
1211.86:135:59
1311.86:145:59
1411.76:145:58
1511.76:145:58
1611.76:145:57
1711.76:145:57
1811.76:145:56
1911.76:145:56
2011.76:155:55
2111.76:155:55
2211.76:155:54
2311.66:155:54
2411.66:155:53
2511.66:165:53
2611.66:165:53
2711.66:165:52
2811.66:165:52
2911.66:175:52
3011.66:175:51
3111.66:175:51

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.19 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 6.11 kWh/m² in April across the year — October's 4.19 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in October

Hazard calendar for Sam Roi Yot

In seasonPeak

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

Sam Roi Yot sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Sam Roi Yot's rainy season runs May–October, 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 Sam Roi Yot?

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

3.3
Sightseeing
6th-best month of the year
4.5
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Sam Roi Yot.

What to pack for Sam Roi Yot in October

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

In October, Sam Roi Yot sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

Sea temperature near Sam Roi Yot 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 30 km away) is warmest in May at about 30°C and coldest in January near 27°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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Sam Roi Yot in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sam Roi Yot peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Sam Roi Yot 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 Sam Roi Yot is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (September, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1025 µg/m³Sep 1211 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb24Moderate
Mar25Moderate
Apr26Moderate
May16Moderate
Jun12Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct14Moderate
Nov19Moderate
Dec20Moderate
Location & terrain

Where is Sam Roi Yot?

Sam Roi Yot sits at 12.3°N, 99.9°E, 17 m above sea level, in Thailand. The nearest listed city is Pran Buri, 13 km away.

PhetchaburiKhao Yoi

Topography around Sam Roi Yot

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sam Roi Yot.

Within 3 km, the terrain around Sam Roi Yot has only modest variations in elevation — a maximum elevation change of 144 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,303 m.

The land around Sam Roi Yot is covered by trees (47%) and grassland (29%) within 3 km, trees (57%) within 16 km, and trees (56%) and water (35%) within 80 km.

3 km
144 m
16 km
573 m
80 km
1,303 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Pran Buri 13 km · Kui Buri 21 km · Hua Hin 35 km · Prachuap Khiri Khan 51 km · Cha-am 60 km · Tha Yang 76 km · Phetchaburi 94 km · Khao Yoi 108 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 Sam Roi Yot (12.2708°, 99.872°, elevation 17 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).