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Longyearbyen facts for kids

Kids Encyclopedia Facts
Longyear-Town-Centre
Longyearbyen town centre.

Longyearbyen is the largest settlement and the administrative centre of Svalbard, Norway. As of 2013, the town had a population of 2,043.

Climate

Because Longyearbyen is quite far north, it has very long daylight hours during the summer, and very short daylight hours in the winter. It has midnight sun between 19 April and 25 August. Longyearbyen has polar night between 27 October and 15 February. It is milder than other places at the same latitude, due to warming from the sea. This means that surprisingly high temperatures can occur. For example, Longyearbyen reached almost into double figures Celsius on 30 January 1984. The warmest recorded temperature was as high as 25 °C (77 °F) on 17 July 1977. The coldest temperature was a very cold −46.3 °C (−51.3 °F) on 4 March 1986. Longyearbyen is badly affected by global warming, due to its Arctic position. On 1 August 2015, a record August temperature of 23.6 °C (74.5 °F) was recorded.

Climate data for Longyearbyen (1961–1990)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 9.7
(49.5)
7.0
(44.6)
6.3
(43.3)
7.5
(45.5)
10.6
(51.1)
15.7
(60.3)
21.7
(71.1)
18.1
(64.6)
15.2
(59.4)
8.9
(48)
9.2
(48.6)
8.7
(47.7)
21.7
Average high °C (°F) -13.0
(8.6)
-13.0
(8.6)
-13.0
(8.6)
-9.0
(15.8)
-3.0
(26.6)
3.0
(37.4)
7.0
(44.6)
6.0
(42.8)
1.0
(33.8)
-4.0
(24.8)
-8.0
(17.6)
-11.0
(12.2)
-4.75
(23.45)
Daily mean °C (°F) -16.5
(2.3)
-17.0
(1.4)
-16.5
(2.3)
-12.5
(9.5)
-5.0
(23)
1.0
(33.8)
5.0
(41)
4.0
(39.2)
-1.0
(30.2)
-6.5
(20.3)
-11.0
(12.2)
-14.5
(5.9)
-7.54
(18.43)
Average low °C (°F) -20.0
(-4)
-21.0
(-5.8)
-20.0
(-4)
-16.0
(3.2)
-7.0
(19.4)
-1.0
(30.2)
3.0
(37.4)
2.0
(35.6)
-3.0
(26.6)
-9.0
(15.8)
-14.0
(6.8)
-18.0
(-0.4)
-10.33
(13.4)
Record low °C (°F) -38.8
(-37.8)
-43.7
(-46.7)
-46.3
(-51.3)
-39.1
(-38.4)
-21.7
(-7.1)
-8.4
(16.9)
0.2
(32.4)
-3.9
(25)
-12.6
(9.3)
-20.8
(-5.4)
-33.2
(-27.8)
-35.6
(-32.1)
-46.3
Precipitation mm (inches) 22.0
(0.866)
28.0
(1.102)
29.0
(1.142)
16.0
(0.63)
13.0
(0.512)
18.0
(0.709)
24.0
(0.945)
30.0
(1.181)
25.0
(0.984)
19.0
(0.748)
22.0
(0.866)
25.0
(0.984)
271
(10.669)
Avg. rainy days (≥ 1 mm) 2 2 2 3 4 13 17 18 14 5 3 3 86
Avg. snowy days (≥ 1 cm) 21 17 19 17 16 7 1 2 11 21 22 22 176
Sunshine hours 0.0 0.0 77.5 228.0 254.2 165.0 155.0 133.3 75.0 12.4 0.0 0.0 1,102.0
Source #1: nordicvisitor.com
Source #2: UNIS (extremes only) (sun only) and Weather Atlas (UV index)
Climate data for Svalbard Airport (2000-2017)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 7.7
(45.9)
7.0
(44.6)
5.9
(42.6)
7.5
(45.5)
9.9
(49.8)
15.7
(60.3)
18.5
(65.3)
17.3
(63.1)
13.3
(55.9)
10.1
(50.2)
6.6
(43.9)
8.7
(47.7)
18.5
Average high °C (°F) -5.8
(21.6)
-6.3
(20.7)
-9.0
(15.8)
-5.5
(22.1)
0.2
(32.4)
5.8
(42.4)
9.4
(48.9)
8.4
(47.1)
4.4
(39.9)
-0.5
(31.1)
-3.5
(25.7)
-5.0
(23)
-0.62
(30.89)
Daily mean °C (°F) -9.1
(15.6)
-9.8
(14.4)
-12.2
(10)
-8.4
(16.9)
-1.8
(28.8)
3.9
(39)
7.2
(45)
6.3
(43.3)
2.4
(36.3)
-2.8
(27)
-6.0
(21.2)
-8.2
(17.2)
-3.21
(26.23)
Average low °C (°F) -12.3
(9.9)
-13.0
(8.6)
-15.5
(4.1)
-11.5
(11.3)
-3.4
(25.9)
2.5
(36.5)
5.6
(42.1)
4.7
(40.5)
0.6
(33.1)
-5.1
(22.8)
-8.7
(16.3)
-11.0
(12.2)
-5.59
(21.94)
Record low °C (°F) -32.0
(-25.6)
-31.4
(-24.5)
-31.8
(-25.2)
-29.3
(-20.7)
-14.9
(5.2)
-4.0
(24.8)
-0.7
(30.7)
-1.3
(29.7)
-10.1
(13.8)
-18.4
(-1.1)
-22.9
(-9.2)
-28.3
(-18.9)
-32
Source: eklima
Climate data for Longyearbyen (2000–2012)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Precipitation mm (inches) 13.3
(0.524)
17.9
(0.705)
11.2
(0.441)
9.0
(0.354)
6.3
(0.248)
12.9
(0.508)
21.7
(0.854)
18.6
(0.732)
16.8
(0.661)
10.4
(0.409)
14.3
(0.563)
24.4
(0.961)
176.8
(6.961)
Avg. rainy days 11 8 9 9 9 14 18 18 16 11 12 12 147
Source: World Weather Online

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