# Si Thoi Subdistrict, Mae Suai, Chiang Rai Province – Villages > Source: https://wherepedia.org/thailand/chiang-rai/mae-suai/si-thoi/ Subdistrict · Mae Suai # Si Thoi Si Thoi is a subdistrict (tambon) of Thailand in Mae Suai, Chiang Rai Province. It covers **154.2 km²**. 25 named villages and localities are recorded here, and 6 mapped services such as hospitals, banks and schools. - 154km² - 6mapped services - 519 mtypical elevation ## Where is Si Thoi? Si Thoi lies in [Mae Suai](https://wherepedia.org/thailand/chiang-rai/mae-suai/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Chedi Luang](https://wherepedia.org/thailand/chiang-rai/mae-suai/chedi-luang/), [Mae Kha](https://wherepedia.org/thailand/chiang-mai/fang/mae-kha-th500911/), [Mae Kha](https://wherepedia.org/thailand/chiang-mai/fang/mae-kha-th500910/), [Mae Phrik](https://wherepedia.org/thailand/chiang-rai/mae-suai/mae-phrik/), [Mae Thalop](https://wherepedia.org/thailand/chiang-mai/chai-prakan/mae-thalop/), [Pa Daet](https://wherepedia.org/thailand/chiang-rai/mae-suai/pa-daet/), [Si Dong Yen](https://wherepedia.org/thailand/chiang-mai/chai-prakan/si-dong-yen/) and [Tha Ko](https://wherepedia.org/thailand/chiang-rai/mae-suai/tha-ko/). By area it is the 634th largest of 7,425 subdistricts in Thailand. It covers 11.0% of [Mae Suai](https://wherepedia.org/thailand/chiang-rai/mae-suai/). The centre of Si Thoi is about 664 km in a straight line from Bangkok, the capital. It is about 16 km from Mae Suai, the main town of Mae Suai. The centre point is at 19.6335° N, 99.3883° E. Local names: ศรีถ้อย . 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 Si Thoi Open gazetteers list **25 villages, towns and localities** in Si Thoi. Settlements here lie between about 469 m and 988 m above sea level (median 519 m). - Ban A-yi Ko - Ban Doi Ku - Ban Doi Santi - Ban Dong Charoen - Ban Hua Fai - Ban Huai Hia - Ban Huai Hok - Ban Mae Yang Min - Ban Mae Yang Min Nuea - Ban Mae Yang Min Tai - Ban Muang Kham - Ban Musoe Phaya Kohok - Ban Musoe Saen Charoen - Ban Musoe Saen Sa-At - Ban Nong Bua Suai - Ban Pa So - Ban Pa Wai - Ban Phaya Ko Ha - Ban Phaya Kong Di - Ban San Kang Pla - Ban San Ton Haen - Ban Si Thoi - Ban Thong Thip - Ban Thung Tom - Ban Thung Yao 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 Si Thoi Named natural and historic features inside Si Thoi, from the GeoNames gazetteer. ### Water 6 rivers and streams. - Huai Dat Pa Pao - Huai Hok - Huai Mae Ta Maeo - Huai Ton Kok - Nam Mae Tha Chang - Nam Mae Yang Min Ngae Khwa ### Hills and mountains 2 mountains. - Doi Huai Sai Khao · 1,246 m - Doi Chong · 589 m 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 Si Thoi and the best time to visit Using the climate of Mae Suai, the warmest month is Apr (average 27 °C) and the coolest is Dec (18 °C). About 1,318 mm of rain falls in a year; the wettest month is Aug (259 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 19 16 Feb 21 5 Mar 24 22 Apr 27 68 May 26 193 Jun 25 151 Jul 25 209 Aug 24 259 Sep 24 225 Oct 23 119 Nov 21 37 Dec 18 14 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Si Thoi Need Nearest mapped Distance Hospital โรงพยาบาลส่งเสริมสุขภาพตำบลบ้านโป่งปูเฟือง · Pa Daet 8.4 km [Map](https://www.openstreetmap.org/?mlat=19.61670&mlon=99.46671#map=17/19.61670/99.46671) Bank Ban Pa Kia Credit Union · Tha Ko 12 km [Map](https://www.openstreetmap.org/?mlat=19.52381&mlon=99.37692#map=17/19.52381/99.37692) ATM Atm ธนาคารกรุงไทย สาขาไชยปราการ · Pong Tam 28 km [Map](https://www.openstreetmap.org/?mlat=19.73623&mlon=99.14266#map=17/19.73623/99.14266) Petrol pump Minipump · Si Thoi 3.1 km [Map](https://www.openstreetmap.org/?mlat=19.62321&mlon=99.36121#map=17/19.62321/99.36121) Hotel น้ำตกกาสะลอง.ชิติ้ · Pa Daet 10 km [Map](https://www.openstreetmap.org/?mlat=19.72565&mlon=99.40224#map=17/19.72565/99.40224) Mall เทสโก้ โลตัส เอ็กเพรส ไชยปราการ · Pong Tam 28 km [Map](https://www.openstreetmap.org/?mlat=19.73482&mlon=99.14196#map=17/19.73482/99.14196) School โรงเรียนชุมชนบ้านโป่ง · Pa Daet 8.6 km [Map](https://www.openstreetmap.org/?mlat=19.63594&mlon=99.47047#map=17/19.63594/99.47047) College โรงเรียน ตชด. บ้านดอยล้าน · Wawi 23 km [Map](https://www.openstreetmap.org/?mlat=19.76432&mlon=99.56158#map=17/19.76432/99.56158) Police station Chedee Laung police box · Chedi Luang 12 km [Map](https://www.openstreetmap.org/?mlat=19.58288&mlon=99.49292#map=17/19.58288/99.49292) 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 Si Thoi Places mapped inside Si Thoi in open map data, by type. - Hospitals1 - Petrol pumps3 - 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 Mae Suai - Chedi Luang - Mae Phrik - Mae Suai - Pa Daet - Tha Ko - Wawi ## Quick answers - Where is Si Thoi?In Mae Suai, Chiang Rai Province, Thailand - What borders Si Thoi?Chedi Luang, Mae Kha, Mae Kha, Mae Phrik, Mae Thalop, Pa Daet, Si Dong Yen and Tha Ko - How many villages are in Si Thoi?25 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Si Thoi?Settlements lie between 469 m and 988 m - What is the highest point in Si Thoi?Doi Huai Sai Khao (1,246 m, GeoNames elevation model) - What is the best time to visit Si Thoi?October to April - Where is the nearest hospital to Si Thoi?โรงพยาบาลส่งเสริมสุขภาพตำบลบ้านโป่งปูเฟือง, about 8.4 km from the centre - Where is the nearest bank to Si Thoi?Ban Pa Kia Credit Union, about 12 km from the centre - Where is the nearest ATM to Si Thoi?Atm ธนาคารกรุงไทย สาขาไชยปราการ, about 28 km from the centre - Where is the nearest petrol pump to Si Thoi?Minipump, about 3.1 km from the centre - How many hospitals are in Si Thoi?1 mapped - How many petrol pumps are in Si Thoi?3 mapped - What is the P-code of Si Thoi?TH571004 (OCHA common operational dataset)