Ban Na San weather in October

In October, Ban Na San sees average daytime highs of 31°C and overnight lows near 24°C, with 333 mm of rain across 28.6 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% 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 Ban Na San's 11th-clearest and 11th-windiest month. For the whole year in context, see Ban Na San's year-round climate.

Daytime high
31°
10th warmest
Overnight low
24°
5th coldest
Rainfall
333 mm
28.6 wet days
Daylight
11 h 48 min
6:14 AM – 6:02 PM
Cloud cover
87%
11th clearest
Wind
5 km/h
11th windiest
Solar energy
4.2 kWh/m²
Travel score
2.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Ban Na San reaches about 31°C in the afternoon and slips back to 24°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 33°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273123
283123
293123
303123
313123

How October really feels in Ban Na San

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.

Ban Na San 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
Jan32° / 22°678.411.54.3
Feb34° / 23°37511.73.5
Mar35° / 24°11011.211.92.5
Apr35° / 25°16118.712.22.0
May33° / 25°18924.812.42.2
Jun32° / 24°16022.612.52.7
Jul31° / 24°16623.612.52.8
Aug31° / 24°19324.112.32.8
Sep31° / 24°23526.112.12.6
Oct31° / 24°33328.611.82.6
Nov30° / 23°26823.111.63.1
Dec30° / 23°13915.211.54.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 5% of October, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8694
9694
10694
11694
12793
13793
14793
15793
16793
17793
18892
19892
20892
21892
22991
23991
24991
251090
261090
271090
281090
291189
301288
311288

Chance of precipitation in October

Any precipitation

Ban Na San gets around 333 mm of rain over 28.6 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
493
593
693
793
894
994
1093
1193
1293
1393
1493
1593
1693
1793
1892
1992
2092
2192
2291
2391
2490
2590
2689
2788
2888
2987
3087
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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15347
25347
35248
45248
55248
65149
75149
85050
95050
104951
114951
124852
134852
144753
154654
164654
174555
184555
194456
204456
214456
224357
234357
244456
254456
264456
274456
284555
294555
304555
314654

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:15 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
711.96:136:06
811.96:136:05
911.96:136:05
1011.86:136:04
1111.86:136:04
1211.86:136:03
1311.86:136:03
1411.86:136:03
1511.86:136:02
1611.86:146:02
1711.86:146:01
1811.86:146:01
1911.86:146:00
2011.86:146:00
2111.86:146:00
2211.86:145:59
2311.76:145:59
2411.76:145:59
2511.76:145:58
2611.76:145:58
2711.76:155:58
2811.76:155:58
2911.76:155:57
3011.76:155:57
3111.76:155:57

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.2 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 6.05 kWh/m² in March across the year — October's 4.2 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in October

Hazard calendar for Ban Na San

In seasonPeak

In October, Ban Na San sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Ban Na San sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is October a good time to visit Ban Na San?

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

2.6
Sightseeing
8th-best month of the year
3.7
Beach & pool
12th-best month of the year

October is a weaker month for outdoor sightseeing in Ban Na San.

What to pack for Ban Na San in October

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

In October, Ban Na San sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Ban Na San 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 64 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 Ban Na San 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 Ban Na San peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeAug 22UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1021 µg/m³Aug 2014 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb18Moderate
Mar20Moderate
Apr21Moderate
May17Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep15Moderate
Oct15Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Ban Na San?

Ban Na San sits at 8.8°N, 99.4°E, 40 m above sea level, in Thailand. The nearest listed city is Tha Kham, 37 km away.

KrabiKo SamuiAo Nang

Topography around Ban Na San

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ban Na San.

Within 3 km, the terrain around Ban Na San has significant variations in elevation — a maximum elevation change of 257 m around an average of 55 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,544 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,784 m.

The land around Ban Na San is covered by trees (85%) within 3 km, trees (89%) within 16 km, and trees (82%) within 80 km.

3 km
257 m
16 km
1,544 m
80 km
1,784 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Tha Kham 37 km · Surat Thani 38 km · Nakhon Si Thammarat 78 km · Thung Song 79 km · Ron Phibun 88 km · Krabi 95 km · Ko Samui 103 km · Ao Nang 104 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 Ban Na San (8.8004°, 99.3637°, elevation 40 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).