Santai County
三台县 Tongchuan, Tungchwan | |
|---|---|
Location of Santai County (red) within Mianyang City (yellow) and Sichuan | |
| Coordinates: 31°05′45″N 105°05′37″E / 31.09583°N 105.09361°E | |
| Country | China |
| Province | Sichuan |
| Prefecture-level city | Mianyang |
| Area | |
• Total | 2,660.58 km2 (1,027.26 sq mi) |
| Population (2020 census) | |
• Total | 955,800 |
| • Density | 359.2/km2 (930.4/sq mi) |
| Time zone | UTC+8 (China Standard) |
Santai County (Chinese: 三台县; pinyin: Sāntái Xiàn; Wade–Giles: San1-t῾ai2 Hsien4; Sichuanese romanization: San1-t῾ai2 Shien4; formerly known as Tungchwanfu, Sichuanese romanization: Tongchuanfu) is a county under the administration of the prefecture-level city of Mianyang, in the northeast of Sichuan Province of China. It has an area of 2,660.58 km2 (1,027.26 sq mi). According to the 2020 census, its population stands at 955,800. At the end of 2024 and the beginning of 2025, the resident population is 944,000, the urbanization rate is 34.14%, the urban population is 322,300, and the registered population is 1,334,500.
Santai County comprises 31 towns and 2 townships:

Tungchwan was a former base for the Friends' Foreign Mission Association (FFMA), serving as the largest mission branch of FFMA's Northern District. Quaker-affiliated hospital, meeting house, boys' school and girls' boarding school were built during this period. The British political economist and missionary Audrey Donnithorne was born at a Quaker hospital in Santai.
| Climate data for Santai, elevation 460 m (1,510 ft), (1991–2020 normals, extremes 1981–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 19.9 (67.8) |
24.2 (75.6) |
31.4 (88.5) |
34.4 (93.9) |
36.8 (98.2) |
37.3 (99.1) |
41.2 (106.2) |
41.2 (106.2) |
37.7 (99.9) |
31.8 (89.2) |
25.5 (77.9) |
19.3 (66.7) |
41.2 (106.2) |
| Mean daily maximum °C (°F) | 10.0 (50.0) |
13.1 (55.6) |
18.1 (64.6) |
23.9 (75.0) |
27.7 (81.9) |
29.7 (85.5) |
31.8 (89.2) |
31.7 (89.1) |
26.6 (79.9) |
21.5 (70.7) |
16.7 (62.1) |
11.2 (52.2) |
21.8 (71.3) |
| Daily mean °C (°F) | 6.0 (42.8) |
8.7 (47.7) |
13.0 (55.4) |
18.2 (64.8) |
22.1 (71.8) |
24.8 (76.6) |
26.8 (80.2) |
26.4 (79.5) |
22.2 (72.0) |
17.5 (63.5) |
12.6 (54.7) |
7.5 (45.5) |
17.2 (62.9) |
| Mean daily minimum °C (°F) | 3.3 (37.9) |
5.7 (42.3) |
9.5 (49.1) |
14.0 (57.2) |
17.9 (64.2) |
21.2 (70.2) |
23.2 (73.8) |
22.9 (73.2) |
19.4 (66.9) |
15.0 (59.0) |
10.0 (50.0) |
5.0 (41.0) |
13.9 (57.1) |
| Record low °C (°F) | −4.6 (23.7) |
−3.0 (26.6) |
−2.6 (27.3) |
4.5 (40.1) |
7.4 (45.3) |
13.4 (56.1) |
17.5 (63.5) |
16.6 (61.9) |
13.2 (55.8) |
3.8 (38.8) |
0.4 (32.7) |
−4.3 (24.3) |
−4.6 (23.7) |
| Average precipitation mm (inches) | 10.7 (0.42) |
10.9 (0.43) |
24.0 (0.94) |
49.7 (1.96) |
76.5 (3.01) |
122.4 (4.82) |
196.1 (7.72) |
168.1 (6.62) |
126.3 (4.97) |
45.3 (1.78) |
16.5 (0.65) |
7.4 (0.29) |
853.9 (33.61) |
| Average precipitation days (≥ 0.1 mm) | 7.2 | 5.9 | 8.6 | 10.4 | 12.0 | 14.1 | 13.4 | 12.0 | 13.7 | 12.8 | 6.4 | 5.3 | 121.8 |
| Average snowy days | 0.9 | 0.3 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.3 | 1.7 |
| Average relative humidity (%) | 81 | 77 | 73 | 72 | 70 | 77 | 81 | 81 | 84 | 84 | 82 | 81 | 79 |
| Mean monthly sunshine hours | 52.6 | 57.9 | 95.4 | 132.8 | 140.4 | 124.0 | 149.3 | 159.2 | 95.6 | 73.9 | 62.9 | 48.9 | 1,192.9 |
| Percentage possible sunshine | 16 | 18 | 26 | 34 | 33 | 29 | 35 | 39 | 26 | 21 | 20 | 16 | 26 |
| Source: China Meteorological Administration all-time extreme temperatureall-time July high | |||||||||||||