# Som Yiam Subdistrict, Nam Som, Udon Thani Province – Villages

> Source: https://wherepedia.org/thailand/udon-thani/nam-som/som-yiam/

Subdistrict · Nam Som 

# Som Yiam

Som Yiam is a subdistrict (tambon) of Thailand in Nam Som, Udon Thani Province. It covers **72.8 km²**. 5 named villages and localities are recorded here, and 2 mapped services such as hospitals, banks and schools.

- 72.8km²
- 2mapped services
- 215 mtypical elevation

## Where is Som Yiam?

Som Yiam lies in [Nam Som](https://wherepedia.org/thailand/udon-thani/nam-som/), [Udon Thani Province](https://wherepedia.org/thailand/udon-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Ban Kong](https://wherepedia.org/thailand/udon-thani/na-yung/ban-kong/), [Na Ngua](https://wherepedia.org/thailand/udon-thani/nam-som/na-ngua/), [Na Yung](https://wherepedia.org/thailand/udon-thani/na-yung/na-yung/), [Nam Som](https://wherepedia.org/thailand/udon-thani/nam-som/nam-som/), [Nong Waeng](https://wherepedia.org/thailand/udon-thani/nam-som/nong-waeng/) and [Si Samran](https://wherepedia.org/thailand/udon-thani/nam-som/si-samran/). By area it is the 2096th largest of 7,425 subdistricts in Thailand. It covers 12.2% of [Nam Som](https://wherepedia.org/thailand/udon-thani/nam-som/). The centre of Som Yiam is about 488 km in a straight line from Bangkok, the capital. It is about 6.8 km from Nam Som, the main town of Nam Som. The centre point is at 17.8301° N, 102.2015° E. Local names: โสมเยี่ยม .

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

## Things to see in and around Som Yiam

### Nearby, outside Som Yiam

- ศาลเจ้าปู่โสม · castle or fort, Na Ngua7.1 km
- Nayung-namsom national park · attraction, Na Yung12 km
- Yung Thong Waterfall viewpoint · viewpoint, Na Yung12 km
- Pa Daeng Viewpoint · viewpoint, Na Yung12 km
- Young Thong waterfall · waterfall, Kham Duang12 km
- Tad Noi waterfall · waterfall, Kham Duang12 km
- Din Phiang Cave · cave, Pha Tang18 km
- Oupmong · monument, Mueang Phan19 km
- Pha Sa Det · viewpoint, Mueang Phan19 km
- Phu Phra Bat Historical Park · attraction, Mueang Phan20 km
- Rock Paintings · attraction, Mueang Phan20 km
- Kok Ma Noi ( The small horse stable) · attraction, Mueang Phan20 km

Source: [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

Named attractions, museums, viewpoints, historic sites and natural features mapped in OpenStreetMap. Places of worship are not listed.

## Know before you go: Som Yiam

- Time zoneUTC+7, no daylight saving · Asia/Bangkok
- CurrencyBaht (THB)
- Country calling code+66
- LanguagesThai, English
- Plug typesType A, B, C, F · 220 V
- Driving sideLeft
- Postcode format5 digits (#####)

### Nearest airports

- Wattay International Airport (VTE) · Vientiane42 km
- Loei Airport (LOE)67 km

### Daylight

Days are longest in Jun (about 13.2 hours, sunrise around 05:35) and shortest in Dec (about 11.1 hours, sunrise around 06:34, sunset around 17:38).

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/).

Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling.

## Villages and localities in Som Yiam

Open gazetteers list **5 villages, towns and localities** in Som Yiam. Settlements here lie between about 205 m and 232 m above sea level (median 215 m).

- Ban Hua Chang
- Ban Non Muang
- Ban Non Phatthana
- Ban Non Sa-at
- Ban Som Yiam

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 Som Yiam and the best time to visit

Using the climate of Nam Som, the warmest month is Apr (average 29 °C) and the coolest is Dec (20 °C). About 1,164 mm of rain falls in a year; the wettest month is Aug (228 mm) and the driest Dec (7 mm). The most comfortable months for a visit are **October to March**.

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

Month Average °C Rain mm 

Jan 20 8 

Feb 24 12 

Mar 27 34 

Apr 29 65 

May 28 164 

Jun 27 158 

Jul 26 183 

Aug 26 228 

Sep 26 203 

Oct 24 86 

Nov 23 16 

Dec 20 7 

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

## Nearest hospital, bank and fuel from Som Yiam

Need Nearest mapped Distance 

Hospital รพ.สต.โสมเยี่ยม · Som Yiam 3.7 km [Map](https://www.openstreetmap.org/?mlat=17.81373&mlon=102.23151#map=17/17.81373/102.23151) 

Bank ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาน้ำโสม · Si Samran 6.6 km [Map](https://www.openstreetmap.org/?mlat=17.77160&mlon=102.18871#map=17/17.77160/102.18871) 

ATM Atm ธนาคารกรุงไทย · Kaeng Kai 27 km [Map](https://www.openstreetmap.org/?mlat=18.06719&mlon=102.27003#map=17/18.06719/102.27003) 

Petrol pump Bangchak · Na Ngua 6.6 km [Map](https://www.openstreetmap.org/?mlat=17.77308&mlon=102.22017#map=17/17.77308/102.22017) 

Hotel สายระดารีสอร์ท · Si Samran 5.5 km [Map](https://www.openstreetmap.org/?mlat=17.78193&mlon=102.19101#map=17/17.78193/102.19101) 

Mall บิ๊กซี มาร์เก็ต อ.น้ำโสม · Na Ngua 7.3 km [Map](https://www.openstreetmap.org/?mlat=17.76466&mlon=102.19923#map=17/17.76466/102.19923) 

School โรงเรียนบ้านท่าโสม · Si Samran 6.7 km [Map](https://www.openstreetmap.org/?mlat=17.77186&mlon=102.18720#map=17/17.77186/102.18720) 

College วิทยาลัยเทคโนโลยีภูมิบัณฑิต · Som Yiam 0.5 km [Map](https://www.openstreetmap.org/?mlat=17.83066&mlon=102.20584#map=17/17.83066/102.20584) 

Police station สภ.อำเภอน้ำโสม · Si Samran 6.8 km [Map](https://www.openstreetmap.org/?mlat=17.77011&mlon=102.19109#map=17/17.77011/102.19109) 

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 Som Yiam

Places mapped inside Som Yiam in open map data, by type.

- Hospitals1
- Colleges and universities1

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 Nam Som

- Ban Yuak
- Na Ngua
- Nam Som
- Nong Waeng
- Samakkhi
- Si Samran

## Quick answers

- Where is Som Yiam?In Nam Som, Udon Thani Province, Thailand
- What borders Som Yiam?Ban Kong, Na Ngua, Na Yung, Nam Som, Nong Waeng and Si Samran
- What is there to see in Som Yiam?ศาลเจ้าปู่โสม, Nayung-namsom national park, Yung Thong Waterfall viewpoint, Pa Daeng Viewpoint
- What time zone is Som Yiam in?UTC+7
- What currency is used in Som Yiam?Baht (THB)
- What language is spoken in Som Yiam?Thai, English (main languages nationally)
- How many villages are in Som Yiam?5 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Som Yiam?Settlements lie between 205 m and 232 m
- What is the best time to visit Som Yiam?October to March
- Where is the nearest hospital to Som Yiam?รพ.สต.โสมเยี่ยม, about 3.7 km from the centre
- Where is the nearest bank to Som Yiam?ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาน้ำโสม, about 6.6 km from the centre
- Where is the nearest ATM to Som Yiam?Atm ธนาคารกรุงไทย, about 27 km from the centre
- Where is the nearest petrol pump to Som Yiam?Bangchak, about 6.6 km from the centre
- How many hospitals are in Som Yiam?1 mapped
- What is the P-code of Som Yiam?TH411807 (OCHA common operational dataset)