# Dum Yai Subdistrict, Muang Sam Sip, Ubon Ratchathani Province > Source: https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/dum-yai/ Subdistrict · Muang Sam Sip # Dum Yai Dum Yai is a subdistrict (tambon) of Thailand in Muang Sam Sip, Ubon Ratchathani Province. It covers **50.4 km²**. 12 named villages and localities are recorded here, and 7 mapped services such as hospitals, banks and schools. - 50.4km² - 7mapped services - 135 mtypical elevation ## Where is Dum Yai? Dum Yai lies in [Muang Sam Sip](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/), [Ubon Ratchathani Province](https://wherepedia.org/thailand/ubon-ratchathani/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other subdistricts: [Dong Bang](https://wherepedia.org/thailand/amnat-charoen/lue-amnat/dong-bang/), [Lao Bok](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/lao-bok/), [Nong Chang Yai](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/nong-chang-yai/), [Nong Mueang](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/nong-mueang/), [Pueai](https://wherepedia.org/thailand/amnat-charoen/lue-amnat/pueai/), [Rai Khi](https://wherepedia.org/thailand/amnat-charoen/lue-amnat/rai-khi/) and [Yang Yo Phap](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/yang-yo-phap/). By area it is the 3355th largest of 7,425 subdistricts in Thailand. It covers 7.1% of [Muang Sam Sip](https://wherepedia.org/thailand/ubon-ratchathani/muang-sam-sip/). The centre of Dum Yai is about 501 km in a straight line from Bangkok, the capital. It is about 12 km from Muang Sam Sip, the main town of Muang Sam Sip. The centre point is at 15.6222° N, 104.7382° E. Local names: ดุมใหญ่ . 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 Dum Yai Open gazetteers list **12 villages, towns and localities** in Dum Yai. Settlements here lie between about 126 m and 143 m above sea level (median 135 m). - Ban Bua Yang - Ban Don Chi - Ban Dong Yang - Ban Dum Noi - Ban Dum Yai - Ban Hong Phai - Ban Loeng Noi - Ban Non Kheng - Ban Nong Saeng - Ban Nong Sang - Ban Phon Phek - Ban Tha Lat 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 Dum Yai and the best time to visit Using the climate of Muang Sam Sip, the warmest month is Apr (average 31 °C) and the coolest is Dec (24 °C). About 1,475 mm of rain falls in a year; the wettest month is Aug (295 mm) and the driest Jan (4 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 4 Feb 27 7 Mar 30 33 Apr 31 68 May 29 170 Jun 27 195 Jul 26 292 Aug 26 295 Sep 26 283 Oct 26 101 Nov 25 18 Dec 24 7 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Dum Yai Need Nearest mapped Distance Hospital รพ.สต.บัวยาง · Dum Yai 2.0 km [Map](https://www.openstreetmap.org/?mlat=15.61549&mlon=104.75565#map=17/15.61549/104.75565) Bank ธนาคารออมสิน สาขาลืออำนาจ · Amnat 12 km [Map](https://www.openstreetmap.org/?mlat=15.68678&mlon=104.65092#map=17/15.68678/104.65092) ATM Bangkok Bank · Muang Sam Sip 11 km [Map](https://www.openstreetmap.org/?mlat=15.52075&mlon=104.71837#map=17/15.52075/104.71837) Petrol pump PT · Lao Bok 10 km [Map](https://www.openstreetmap.org/?mlat=15.66847&mlon=104.65737#map=17/15.66847/104.65737) Hotel ใบเงิน รีสอร์ท · Lao Bok 9.1 km [Map](https://www.openstreetmap.org/?mlat=15.66067&mlon=104.66355#map=17/15.66067/104.66355) Mall บิ๊กซีอุบล · Muang Sam Sip 12 km [Map](https://www.openstreetmap.org/?mlat=15.51521&mlon=104.72456#map=17/15.51521/104.72456) School โรงเรียนบ้านดุมใหญ่ดงยาง · Dum Yai 2.0 km [Map](https://www.openstreetmap.org/?mlat=15.64002&mlon=104.73720#map=17/15.64002/104.73720) College โรงเรียนบ้านโนนรังใหญ่ ตำบลไผ่ใหญ่ อำเภอม่วงสามสิบ จังหวัดอุบลราชธานี · Phai Yai 12 km [Map](https://www.openstreetmap.org/?mlat=15.57799&mlon=104.63632#map=17/15.57799/104.63632) Police station สภ.ม่วงสามสิบ จ.อุบลราชธานี · Muang Sam Sip 13 km [Map](https://www.openstreetmap.org/?mlat=15.51005&mlon=104.72733#map=17/15.51005/104.72733) 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 Dum Yai Places mapped inside Dum Yai in open map data, by type. - Hospitals3 - Schools2 - 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 Muang Sam Sip - Lao Bok - Muang Sam Sip - Na Loeng - Nong Chang Yai - Nong Hang - Nong Khai Nok - Nong Lao - Nong Mueang - Phai Yai - Phon Phaeng - Toei - Yang Sak Krapho Lum - Yang Yo Phap ## Quick answers - Where is Dum Yai?In Muang Sam Sip, Ubon Ratchathani Province, Thailand - What borders Dum Yai?Dong Bang, Lao Bok, Nong Chang Yai, Nong Mueang, Pueai, Rai Khi and Yang Yo Phap - How many villages are in Dum Yai?12 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Dum Yai?Settlements lie between 126 m and 143 m - What is the best time to visit Dum Yai?October to February - Where is the nearest hospital to Dum Yai?รพ.สต.บัวยาง, about 2.0 km from the centre - Where is the nearest bank to Dum Yai?ธนาคารออมสิน สาขาลืออำนาจ, about 12 km from the centre - Where is the nearest ATM to Dum Yai?Bangkok Bank, about 11 km from the centre - Where is the nearest petrol pump to Dum Yai?PT, about 10 km from the centre - How many hospitals are in Dum Yai?3 mapped - What is the P-code of Dum Yai?TH341403 (OCHA common operational dataset)