# Ban Dai Subdistrict, Mae Sai, Chiang Rai Province – Villages > Source: https://wherepedia.org/thailand/chiang-rai/mae-sai/ban-dai/ Subdistrict · Mae Sai # Ban Dai Ban Dai is a subdistrict (tambon) of Thailand in Mae Sai, Chiang Rai Province. It covers **33.8 km²**. 11 named villages and localities are recorded here, and 10 mapped services such as hospitals, banks and schools. - 33.8km² - 10mapped services - 378 mtypical elevation ## Where is Ban Dai? Ban Dai lies in [Mae Sai](https://wherepedia.org/thailand/chiang-rai/mae-sai/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 7 other subdistricts: [Chan Chawa](https://wherepedia.org/thailand/chiang-rai/mae-chan/chan-chawa/), [Huai Khrai](https://wherepedia.org/thailand/chiang-rai/mae-sai/huai-khrai/), [Mae Kham](https://wherepedia.org/thailand/chiang-rai/mae-chan/mae-kham/), [Pong Ngam](https://wherepedia.org/thailand/chiang-rai/mae-sai/pong-ngam/), [Pong Pha](https://wherepedia.org/thailand/chiang-rai/mae-sai/pong-pha/), [Si Don Mun](https://wherepedia.org/thailand/chiang-rai/chiang-saen/si-don-mun/) and [Si Mueang Chum](https://wherepedia.org/thailand/chiang-rai/mae-sai/si-mueang-chum/). By area it is the 4680th largest of 7,425 subdistricts in Thailand. It covers 11.1% of [Mae Sai](https://wherepedia.org/thailand/chiang-rai/mae-sai/). The centre of Ban Dai is about 732 km in a straight line from Bangkok, the capital. It is about 14 km from Mae Sai, the main town of Mae Sai. The centre point is at 20.3170° N, 99.9349° E. Local names: บ้านด้าย . 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 Ban Dai Open gazetteers list **11 villages, towns and localities** in Ban Dai. Settlements here lie between about 368 m and 383 m above sea level (median 378 m). - Ban Dai - Ban Dong Pa Sak - Ban Kio Phrao - Ban Nam Lat - Ban Pa Bong Ngam - Ban Pa Koi (1) - Ban San Pa Koi (3) - Ban San Pu Loei - Ban San Pu Loei (2) - Ban San Sai Noi - Ban San Ton Du 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). ## Landscape and landmarks of Ban Dai Named natural and historic features inside Ban Dai, from the GeoNames gazetteer. ### Water 3 rivers and streams. - Lam Mueang Pa Yang Ngam - Nam Hong Hae - Nam Pong Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/). Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate. ## Weather in Ban Dai and the best time to visit Using the climate of Mae Sai, the warmest month is Apr (average 27 °C) and the coolest is Dec (18 °C). About 1,153 mm of rain falls in a year; the wettest month is Aug (251 mm) and the driest Feb (5 mm). The most comfortable months for a visit are **October to April**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 18 20 Feb 21 5 Mar 24 22 Apr 27 58 May 27 144 Jun 26 123 Jul 25 225 Aug 25 251 Sep 25 170 Oct 23 87 Nov 21 32 Dec 18 15 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ban Dai Need Nearest mapped Distance Hospital รพ.สต.สันสลี · Ban Dai 2.7 km [Map](https://www.openstreetmap.org/?mlat=20.30663&mlon=99.95802#map=17/20.30663/99.95802) Bank ธนาคารไทยเครดิต Kios ห้วยไคร้ · Huai Khrai 9.0 km [Map](https://www.openstreetmap.org/?mlat=20.27246&mlon=99.86233#map=17/20.27246/99.86233) ATM Bangkok Bank · Mae Sai 15 km [Map](https://www.openstreetmap.org/?mlat=20.44308&mlon=99.88131#map=17/20.44308/99.88131) Petrol pump ปั๊ม ปตท. อ.แม่สาย · Pong Ngam 5.5 km [Map](https://www.openstreetmap.org/?mlat=20.32570&mlon=99.88325#map=17/20.32570/99.88325) Hotel Guido & Ladda Guesthouse · Huai Khrai 4.6 km [Map](https://www.openstreetmap.org/?mlat=20.28423&mlon=99.90871#map=17/20.28423/99.90871) Mall โกลบอลเฮ้าส์แม่สาย · Pong Pha 10 km [Map](https://www.openstreetmap.org/?mlat=20.39779&mlon=99.88650#map=17/20.39779/99.88650) School โรงเรียนไชยสถานวิทยาคม · Ban Dai 3.1 km [Map](https://www.openstreetmap.org/?mlat=20.32521&mlon=99.96363#map=17/20.32521/99.96363) College 伯特利聖道學院 · Pong Pha 8.6 km [Map](https://www.openstreetmap.org/?mlat=20.37592&mlon=99.88210#map=17/20.37592/99.88210) Police station ด่านตรวจถ้ำปลา · Pong Ngam 5.5 km [Map](https://www.openstreetmap.org/?mlat=20.32176&mlon=99.88203#map=17/20.32176/99.88203) 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 Ban Dai Places mapped inside Ban Dai in open map data, by type. - Hospitals3 - Schools1 - Restaurants6 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 Mae Sai - Huai Khrai - Ko Chang - Mae Sai - Pong Ngam - Pong Pha - Si Mueang Chum - Wiang Phang Kham ## Quick answers - Where is Ban Dai?In Mae Sai, Chiang Rai Province, Thailand - What borders Ban Dai?Chan Chawa, Huai Khrai, Mae Kham, Pong Ngam, Pong Pha, Si Don Mun and Si Mueang Chum - How many villages are in Ban Dai?11 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ban Dai?Settlements lie between 368 m and 383 m - What is the best time to visit Ban Dai?October to April - Where is the nearest hospital to Ban Dai?รพ.สต.สันสลี, about 2.7 km from the centre - Where is the nearest bank to Ban Dai?ธนาคารไทยเครดิต Kios ห้วยไคร้, about 9.0 km from the centre - Where is the nearest ATM to Ban Dai?Bangkok Bank, about 15 km from the centre - Where is the nearest petrol pump to Ban Dai?ปั๊ม ปตท. อ.แม่สาย, about 5.5 km from the centre - How many hospitals are in Ban Dai?3 mapped - What is the P-code of Ban Dai?TH570908 (OCHA common operational dataset)