# Siao Subdistrict, Pho Si Suwan, Si Sa Ket Province – Villages

> Source: https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/siao/

Subdistrict · Pho Si Suwan 

# Siao

Siao is a subdistrict (tambon) of Thailand in Pho Si Suwan, Si Sa Ket Province. It covers **20.9 km²**. 16 named villages and localities are recorded here, and 5 mapped services such as hospitals, banks and schools.

- 20.9km²
- 5mapped services
- 144 mtypical elevation

## Where is Siao?

Siao lies in [Pho Si Suwan](https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/), [Si Sa Ket Province](https://wherepedia.org/thailand/si-sa-ket/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Dot](https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/dot/), [I Se](https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/i-se/), [Nong Ma](https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/nong-ma/), [Nong Yai](https://wherepedia.org/thailand/si-sa-ket/mueang-chan/nong-yai/), [Po](https://wherepedia.org/thailand/si-sa-ket/bueng-bun/po/) and [Ta Kon](https://wherepedia.org/thailand/si-sa-ket/mueang-chan/ta-kon/). By area it is the 5833rd largest of 7,425 subdistricts in Thailand. It covers 18.3% of [Pho Si Suwan](https://wherepedia.org/thailand/si-sa-ket/pho-si-suwan/). The centre of Siao is about 417 km in a straight line from Bangkok, the capital. It is about 4.3 km from Pho Si Suwan, the main town of Pho Si Suwan. The centre point is at 15.2551° N, 104.0473° E. Local names: เสียว .

Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha).

## Villages and localities in Siao

Open gazetteers list **16 villages, towns and localities** in Siao. Settlements here lie between about 137 m and 149 m above sea level (median 144 m).

- Ban Nong Can
- Ban Nong Khaen
- Ban Nong Kham
- Ban Nong Manorom
- Ban Nong No
- Ban Nong Phra
- Ban Nong Phue
- Ban Nong Phue (2)
- Ban Nong Phue Burapha
- Ban Nong Ruea
- Ban Nong Samrong
- Ban Nong Samrong Pat Chim
- Ban Sam Kha
- Ban Samkha (2)
- Ban Siao
- Ban Talat

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

## Weather in Siao and the best time to visit

Using the climate of Pho Si Suwan, the warmest month is Apr (average 31 °C) and the coolest is Dec (24 °C). About 1,533 mm of rain falls in a year; the wettest month is Sep (303 mm) and the driest Dec (5 mm). The most comfortable months for a visit are **October to February**.

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

Month Average °C Rain mm 

Jan 25 7 

Feb 28 8 

Mar 30 39 

Apr 31 76 

May 29 185 

Jun 27 202 

Jul 27 280 

Aug 26 293 

Sep 26 303 

Oct 26 113 

Nov 25 22 

Dec 24 5 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Nearest hospital, bank and fuel from Siao

Need Nearest mapped Distance 

Hospital โรงพยาบาลโพธิ์ศรีสุวรรณ · Siao 1.2 km [Map](https://www.openstreetmap.org/?mlat=15.24849&mlon=104.05590#map=17/15.24849/104.05590) 

Bank ธนาคาร ธกส โพธิ์ศรีสุวรรณ · Dot 3.7 km [Map](https://www.openstreetmap.org/?mlat=15.23841&mlon=104.07671#map=17/15.23841/104.07671) 

ATM ตู้เอทีเอ็ม​ธนาคารกรุงเทพ · Mueang Khong 15 km [Map](https://www.openstreetmap.org/?mlat=15.34215&mlon=104.15363#map=17/15.34215/104.15363) 

Petrol pump PTT · Dot 3.0 km [Map](https://www.openstreetmap.org/?mlat=15.24069&mlon=104.07062#map=17/15.24069/104.07062) 

Hotel โพธิ์ศรีสุวรรณรีสอร์ท · Siao 1.9 km [Map](https://www.openstreetmap.org/?mlat=15.26139&mlon=104.03071#map=17/15.26139/104.03071) 

Mall โลตัสเอ็กซ์เพรส บึงบูรพ์ · Bueng Bun 7.4 km [Map](https://www.openstreetmap.org/?mlat=15.32151&mlon=104.05069#map=17/15.32151/104.05069) 

School Traimit School · Nong Ma 2.2 km [Map](https://www.openstreetmap.org/?mlat=15.24555&mlon=104.06545#map=17/15.24555/104.06545) 

College โรงเรียนห่องวารี · Ta Kon 5.0 km [Map](https://www.openstreetmap.org/?mlat=15.23586&mlon=104.00487#map=17/15.23586/104.00487) 

Police station Pho Si Suwan Police Station · Dot 4.3 km [Map](https://www.openstreetmap.org/?mlat=15.23044&mlon=104.07795#map=17/15.23044/104.07795) 

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Straight-line distance from the centre of the division, within 40 km.

## Hospitals, banks and other services in Siao

Places mapped inside Siao in open map data, by type.

- Hospitals2
- Hotels1
- Restaurants2

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Coverage depends on what has been mapped; contact details are not shown.

## Other subdistricts in Pho Si Suwan

- Dot
- I Se
- Nong Ma
- Phue Yai

## Quick answers

- Where is Siao?In Pho Si Suwan, Si Sa Ket Province, Thailand
- What borders Siao?Dot, I Se, Nong Ma, Nong Yai, Po and Ta Kon
- How many villages are in Siao?16 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Siao?Settlements lie between 137 m and 149 m
- What is the best time to visit Siao?October to February
- Where is the nearest hospital to Siao?โรงพยาบาลโพธิ์ศรีสุวรรณ, about 1.2 km from the centre
- Where is the nearest bank to Siao?ธนาคาร ธกส โพธิ์ศรีสุวรรณ, about 3.7 km from the centre
- Where is the nearest ATM to Siao?ตู้เอทีเอ็ม​ธนาคารกรุงเทพ, about 15 km from the centre
- Where is the nearest petrol pump to Siao?PTT, about 3.0 km from the centre
- How many hospitals are in Siao?2 mapped
- What is the P-code of Siao?TH332102 (OCHA common operational dataset)