# Si Don Chai Subdistrict, Thoeng, Chiang Rai Province

> Source: https://wherepedia.org/thailand/chiang-rai/thoeng/si-don-chai/

Subdistrict · Thoeng 

# Si Don Chai

Si Don Chai is a subdistrict (tambon) of Thailand in Thoeng, Chiang Rai Province. It covers **45.4 km²**. 7 named villages and localities are recorded here, and 2 mapped services such as hospitals, banks and schools.

- 45.4km²
- 2mapped services
- 381 mtypical elevation

## Where is Si Don Chai?

Si Don Chai lies in [Thoeng](https://wherepedia.org/thailand/chiang-rai/thoeng/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other subdistricts: [Ang Thong](https://wherepedia.org/thailand/phayao/chiang-kham/ang-thong/), [Hong Hin](https://wherepedia.org/thailand/phayao/chun/hong-hin/), [Mae Loi](https://wherepedia.org/thailand/chiang-rai/thoeng/mae-loi/), [Nong Raet](https://wherepedia.org/thailand/chiang-rai/thoeng/nong-raet/) and [Plong](https://wherepedia.org/thailand/chiang-rai/thoeng/plong/). By area it is the 3713th largest of 7,425 subdistricts in Thailand. It covers 5.5% of [Thoeng](https://wherepedia.org/thailand/chiang-rai/thoeng/). The centre of Si Don Chai is about 650 km in a straight line from Bangkok, the capital. It is about 15 km from Thoeng, the main town of Thoeng. The centre point is at 19.5902° N, 100.0995° E. Local names: ศรีดอนไชย .

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 Don Chai

Open gazetteers list **7 villages, towns and localities** in Si Don Chai. Settlements here lie between about 374 m and 387 m above sea level (median 381 m).

- Ban Mae Loi Luang
- Ban Mon Maprang
- Ban Mon Pa Yang
- Ban Nong Liap
- Ban Pa Ruak
- Ban Pa Tueng Ngam
- Ban Thung Tom

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 Si Don Chai and the best time to visit

Using the climate of Thoeng, the warmest month is Apr (average 28 °C) and the coolest is Dec (19 °C). About 1,361 mm of rain falls in a year; the wettest month is Aug (283 mm) and the driest Feb (5 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 18 

Feb 22 5 

Mar 26 29 

Apr 28 80 

May 27 193 

Jun 26 144 

Jul 26 231 

Aug 25 283 

Sep 25 224 

Oct 24 106 

Nov 22 34 

Dec 19 15 

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

## Nearest hospital, bank and fuel from Si Don Chai

Need Nearest mapped Distance 

Hospital โรงพยาบาลส่งเสริมสุขภาพตำบลศรีดอนไชย · Si Don Chai 2.7 km [Map](https://www.openstreetmap.org/?mlat=19.60932&mlon=100.08351#map=17/19.60932/100.08351) 

Bank ธกส.ปล้อง · Plong 6.9 km [Map](https://www.openstreetmap.org/?mlat=19.65160&mlon=100.08945#map=17/19.65160/100.08945) 

ATM ธนาคารเพื่อการเกษตรและสหกรณ์ฯ · Nam Waen 20 km [Map](https://www.openstreetmap.org/?mlat=19.48907&mlon=100.26301#map=17/19.48907/100.26301) 

Petrol pump หจก.บิวเซอร์วิส - อู่บิวเซอร์วิส · Mae Loi 3.8 km [Map](https://www.openstreetmap.org/?mlat=19.59524&mlon=100.06383#map=17/19.59524/100.06383) 

Hotel ไร่ภูผา · Ngio 9.6 km [Map](https://www.openstreetmap.org/?mlat=19.65723&mlon=100.15701#map=17/19.65723/100.15701) 

Mall Lotus’s-โลตัส สาขาเทิง · Wiang 14 km [Map](https://www.openstreetmap.org/?mlat=19.69060&mlon=100.17884#map=17/19.69060/100.17884) 

School โรงเรียนบ้านป่าตึงงาม อ.เทิง · Si Don Chai 1.0 km [Map](https://www.openstreetmap.org/?mlat=19.59102&mlon=100.10939#map=17/19.59102/100.10939) 

College ห้องประชุมภูชี้ฟ้า · Wiang 14 km [Map](https://www.openstreetmap.org/?mlat=19.68757&mlon=100.18523#map=17/19.68757/100.18523) 

Police station Thoeng Police Station · Wiang 14 km [Map](https://www.openstreetmap.org/?mlat=19.69039&mlon=100.17382#map=17/19.69039/100.17382) 

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 Don Chai

Places mapped inside Si Don Chai in open map data, by type.

- Hospitals1
- Schools1

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 Thoeng

- Chiang Khian
- Mae Loi
- Ngao
- Ngio
- Nong Raet
- Plong
- San Sai Ngam
- Tap Tao
- Wiang

## Quick answers

- Where is Si Don Chai?In Thoeng, Chiang Rai Province, Thailand
- What borders Si Don Chai?Ang Thong, Hong Hin, Mae Loi, Nong Raet and Plong
- How many villages are in Si Don Chai?7 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Si Don Chai?Settlements lie between 374 m and 387 m
- What is the best time to visit Si Don Chai?October to March
- Where is the nearest hospital to Si Don Chai?โรงพยาบาลส่งเสริมสุขภาพตำบลศรีดอนไชย, about 2.7 km from the centre
- Where is the nearest bank to Si Don Chai?ธกส.ปล้อง, about 6.9 km from the centre
- Where is the nearest ATM to Si Don Chai?ธนาคารเพื่อการเกษตรและสหกรณ์ฯ, about 20 km from the centre
- Where is the nearest petrol pump to Si Don Chai?หจก.บิวเซอร์วิส - อู่บิวเซอร์วิส, about 3.8 km from the centre
- How many hospitals are in Si Don Chai?1 mapped
- What is the P-code of Si Don Chai?TH570412 (OCHA common operational dataset)