| Jingyu County | |
| Postal Code: | 135200 |
| Postal Code Type: | Postal code |
| Seat: | Jingyu Town |
| Seat Type: | County seat |
| Settlement Type: | County |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jilin |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Baishan |
| Area Code: | 0439 |
| Area Total Km2: | 3094 |
| Population Density Km2: | auto |
| Population Total: | 144000 |
| Pushpin Map: | Jilin |
| Pushpin Label: | Jingyu |
| Pushpin Map Caption: | Location of the county seat in Jilin |
| Coordinates: | 42.2°N 156°W |
| Elevation M: | 549.2 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Jingyu County, formerly Méngjiāng County until February 1946, is a county in southern Jilin province, People's Republic of China. It is under the administration of Baishan City. It is named after General Yang Jingyu, who was killed here during World War II.
There are seven towns and five townships under the county's administration.[1]
| valign=top | Towns:
| valign=top | Townships:
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Jingyu is located in southern Jilin and the northern part of Baishan City on the upper reaches of the Songhua River amidst the western periphery of the Changbai Mountains. The bordering county-level divisions are Fusong County to the east, Jiangyuan District to the south, Huinan to the west, and Huadian to the north. Its latitude ranges from 42° 06' to 42° 48' N and longitude 126° 30' to 127° 16' E. The average elevation in the county is, though the county seat is only at 549.2m (1,801.8feet).
Jingyu has a monsoon-influenced, humid continental climate (Köppen Dwb), with long, bitterly cold winters, and short, warm and rainy summers. Spring and autumn are short with some rainfall. The monthly 24-hour average temperature in January is NaN°C, and 21°C in July, and the annual mean is 3.9°C. The mountainous location means that diurnal temperature variation is large, reaching in winter, but precipitation is enhanced: the annual average is 779.5mm, with more than 80% of it falling from May to September. The frost-free period lasts only 104 days.