Hailun

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Hailun

海伦市
Hailun is located in Heilongjiang
Hailun
Hailun
Location in Heilongjiang
Coordinates: 47°28′N 126°58′E / 47.467°N 126.967°E / 47.467; 126.967Coordinates: 47°28′N 126°58′E / 47.467°N 126.967°E / 47.467; 126.967
CountryPeople's Republic of China
ProvinceHeilongjiang
Prefecture-level citySuihua
Municipal seatHailun Town (海伦镇)
Area
 • Total4,667 km2 (1,802 sq mi)
Elevation
239 m (784 ft)
Population
 (2002)
 • Total810,000
 • Density170/km2 (450/sq mi)
Time zoneUTC+8 (China Standard)
Postal code
152300
Area code(s)0455
ClimateDwb

Hailun (simplified Chinese: 海伦; traditional Chinese: 海倫; pinyin: Hǎilún) is a city in west-central Heilongjiang province, People's Republic of China. Administratively, it is a county-level city of Suihua City.

Geography and climate[edit]

Hailun is located on the Songnen Plain, with the Lesser Khingan mountain range to the west. Its administrative area ranges in latitude from 46° 58' to 47° 52' N, and in longitude from 126° 14' to 127° 45' E.

Hailun has a humid continental climate (Köppen: Dwb), with long, bitterly cold, but dry winters, and humid, very warm summers. The monthly daily mean temperature in January, the coldest month, is −21.7 °C (−7.1 °F), and July, the warmest month, averages 21.8 °C (71.2 °F), with an average annual temperature +2.03 °C (35.7 °F). Close to two-thirds of the annual precipitation falls from June to August. With monthly percent possible sunshine ranging from 53% in July to 71% in February, the city receives 2,680 hours of bright sunshine annually.

Climate data for Hailun (1971−2000)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) −0.5
(31.1)
6.0
(42.8)
19.1
(66.4)
28.3
(82.9)
33.0
(91.4)
38.0
(100.4)
36.6
(97.9)
35.4
(95.7)
32.5
(90.5)
24.7
(76.5)
13.5
(56.3)
3.4
(38.1)
38.0
(100.4)
Average high °C (°F) −16.6
(2.1)
−10.6
(12.9)
−0.2
(31.6)
11.4
(52.5)
19.7
(67.5)
24.8
(76.6)
26.8
(80.2)
24.9
(76.8)
19.0
(66.2)
9.3
(48.7)
−3.3
(26.1)
−13.8
(7.2)
7.6
(45.7)
Daily mean °C (°F) −21.7
(−7.1)
−16.5
(2.3)
−6.0
(21.2)
5.1
(41.2)
13.1
(55.6)
19.1
(66.4)
21.8
(71.2)
19.7
(67.5)
13.1
(55.6)
3.7
(38.7)
−8.4
(16.9)
−18.6
(−1.5)
2.0
(35.6)
Average low °C (°F) −26.3
(−15.3)
−22
(−8)
−11.7
(10.9)
−0.9
(30.4)
6.4
(43.5)
13.4
(56.1)
17.1
(62.8)
14.9
(58.8)
7.6
(45.7)
−1.3
(29.7)
−13
(9)
−22.9
(−9.2)
−3.2
(26.2)
Record low °C (°F) −40.3
(−40.5)
−36.6
(−33.9)
−32
(−26)
−16.0
(3.2)
−7.9
(17.8)
2.4
(36.3)
7.1
(44.8)
3.1
(37.6)
−5.0
(23.0)
−19.1
(−2.4)
−31.1
(−24.0)
−37.2
(−35.0)
−40.3
(−40.5)
Average precipitation mm (inches) 2.3
(0.09)
2.6
(0.10)
6.8
(0.27)
21.5
(0.85)
48.6
(1.91)
104.1
(4.10)
132.3
(5.21)
125.1
(4.93)
64.8
(2.55)
24.7
(0.97)
7.1
(0.28)
4.8
(0.19)
544.7
(21.45)
Average precipitation days (≥ 0.1 mm) 4.5 4.0 4.7 7.2 10.5 14.6 14.7 13.5 11.1 7.2 5.9 6.3 104.2
Average relative humidity (%) 75 71 59 53 53 67 77 79 71 63 68 75 68
Mean monthly sunshine hours 181.6 204.8 249.8 236.6 270.8 265.6 257.2 251.9 227.7 208.4 172.8 152.9 2,680.1
Percent possible sunshine 66 71 68 58 58 56 53 57 61 62 62 58 60
Source: China Meteorological Administration

External links[edit]