Longchuan 龙川县 | |
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 Location in Heyuan City | |
  Longchuan Location in Guangdong | |
| Coordinates:24°20′N115°22′E / 24.333°N 115.367°E /24.333; 115.367 | |
| Country | People's Republic of China |
| Province | Guangdong |
| Prefecture-level city | Heyuan |
| County seat | Laolong (老隆镇) |
| Area | |
• Total | 3,088 km2 (1,192 sq mi) |
| Population (2020 census) | |
• Total | 595,471 |
| • Density | 192.8/km2 (499.4/sq mi) |
| Time zone | UTC+8 (China Standard) |
| Postal code | 517300 |
| Area code | 0762 |
| Website | www |
Longchuan County (postal: Lungchun;simplified Chinese:龙川县;traditional Chinese:龍川縣;pinyin:Lóngchuān Xiàn;lit. 'dragon river county', Hakka:Liùngchôn) is a county of northeasternGuangdong province, China, borderingJiangxi to the north and on the upper reaches of theDong andHan Rivers. It is under the administration ofHeyuan City, and in 2020 had a population of 595,471[1] living in an area of 3,088 km2 (1,192 sq mi). Bordering county-level divisions areXingning andWuhua County to the east,Heping County andDongyuan County to the south and west, and in Jiangxi,Dingnan County andXunwu County to the north.
Longchuan administers 24 towns:
Longchuan has a developed highway and railway network. Major roads include theChina National Highway 205 (G205) and Guangdong Provincial Highway 120 (S120). TheBeijing–Kowloon,Guangzhou–Meizhou–Shantou andZhangping–Longchuan Railways intersect in Longchuan, making it an important railway hub for theLingnan region.
| Climate data for Longchuan, elevation 180 m (590 ft), (1991–2020 normals, extremes 1981–2010) | |||||||||||||
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| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 28.3 (82.9) | 30.2 (86.4) | 32.9 (91.2) | 35.0 (95.0) | 36.8 (98.2) | 38.7 (101.7) | 39.1 (102.4) | 39.5 (103.1) | 37.4 (99.3) | 36.1 (97.0) | 34.5 (94.1) | 29.9 (85.8) | 39.5 (103.1) |
| Mean daily maximum °C (°F) | 17.1 (62.8) | 19.1 (66.4) | 21.9 (71.4) | 26.3 (79.3) | 29.9 (85.8) | 32.0 (89.6) | 33.9 (93.0) | 33.5 (92.3) | 31.7 (89.1) | 28.5 (83.3) | 24.1 (75.4) | 18.8 (65.8) | 26.4 (79.5) |
| Daily mean °C (°F) | 11.6 (52.9) | 13.8 (56.8) | 16.9 (62.4) | 21.5 (70.7) | 25.0 (77.0) | 27.2 (81.0) | 28.5 (83.3) | 28.0 (82.4) | 26.5 (79.7) | 23.0 (73.4) | 18.3 (64.9) | 13.2 (55.8) | 21.1 (70.0) |
| Mean daily minimum °C (°F) | 8.1 (46.6) | 10.3 (50.5) | 13.5 (56.3) | 18.1 (64.6) | 21.7 (71.1) | 24.0 (75.2) | 24.8 (76.6) | 24.6 (76.3) | 23.0 (73.4) | 19.2 (66.6) | 14.4 (57.9) | 9.5 (49.1) | 17.6 (63.7) |
| Record low °C (°F) | −1.0 (30.2) | 0.4 (32.7) | 0.7 (33.3) | 6.6 (43.9) | 12.7 (54.9) | 17.6 (63.7) | 18.7 (65.7) | 20.2 (68.4) | 15.6 (60.1) | 8.2 (46.8) | 2.9 (37.2) | −2.5 (27.5) | −2.5 (27.5) |
| Averageprecipitation mm (inches) | 59.1 (2.33) | 77.7 (3.06) | 154.1 (6.07) | 195.2 (7.69) | 235.1 (9.26) | 278.9 (10.98) | 173.9 (6.85) | 210.9 (8.30) | 127.9 (5.04) | 44.8 (1.76) | 47.1 (1.85) | 47.7 (1.88) | 1,652.4 (65.07) |
| Average precipitation days(≥ 0.1 mm) | 7.7 | 10.4 | 15.6 | 15.5 | 17.8 | 18.7 | 16.2 | 17.4 | 11.1 | 4.9 | 6.0 | 6.3 | 147.6 |
| Averagerelative humidity (%) | 74 | 77 | 80 | 80 | 80 | 81 | 78 | 79 | 77 | 70 | 71 | 70 | 76 |
| Mean monthlysunshine hours | 116.6 | 96.6 | 87.0 | 98.5 | 130.4 | 149.9 | 208.8 | 190.1 | 175.7 | 181.5 | 157.6 | 142.5 | 1,735.2 |
| Percentagepossible sunshine | 35 | 30 | 23 | 26 | 32 | 37 | 50 | 48 | 48 | 51 | 48 | 43 | 39 |
| Source:China Meteorological Administration[2][3] | |||||||||||||
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