Climate in North Sumatra Indonesia

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from 3 measuring stations in North Sumatra.
All data correspond to the average monthly values of the last 20 years.

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Overview: Climate in Indonesia
Daylengths and sun positions in Indonesia
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Hours of sunshine per daySunshine hours per day in North Sumatra
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 6 hours per day, February is the sunniest month in country part North Sumatra. In November the sun shines the shortest.
Rainy days per monthRainy days per month in North Sumatra
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 18 rainy days, November offers the most number of rainy days, and in February the least.
Precipitation in mm/dayPrecipitation in North Sumatra
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 5.2 mm, the least rain falls in February. October, on the other hand, has the most rain.
Map of North Sumatra

Most important cities in the country part »North Sumatra«

The country part has a west-east extension of about 170 km and over 300 km from north to south.

Medan2,435,2523° 34' 60"N98° 40' 0"E
Percut311,0633° 37' 31"N98° 51' 50"E
Binjai246,1543° 36' 0"N98° 29' 7"E
Pematangsiantar209,6142° 57' 34"N99° 4' 7"E
Sunggal157,9143° 34' 35"N98° 36' 54"E
Perbaungan157,1743° 34' 4"N98° 57' 22"E
Tanjungbalai142,5062° 58' 0"N99° 47' 60"E
Kisaran129,9112° 59' 4"N99° 36' 57"E
Tebingtinggi117,5303° 19' 43"N99° 9' 45"E
Rantauprapat103,0092° 6' 0"N99° 49' 60"E
Belawan102,7073° 46' 32"N98° 40' 60"E
Padangsidempuan100,5611° 22' 46"N99° 16' 17"E
Sibolga79,7141° 44' 25"N98° 46' 52"E
Kabanjahe57,1593° 6' 0"N98° 29' 27"E
Labuhan Deli49,6683° 43' 40"N98° 40' 26"E
Berastagi44,7653° 11' 41"N98° 30' 32"E
Pekan Bahapal40,0003° 6' 47"N99° 10' 25"E
Bandar31,4422° 2' 60"N99° 45' 0"E
Deli Tua27,9403° 30' 28"N98° 41' 2"E
Stabat26,8623° 44' 0"N98° 27' 1"E
Pangkalan Brandan25,5424° 1' 26"N98° 16' 42"E
Teluk Nibung25,1463° 0' 4"N99° 48' 59"E
Tanjungtiram25,1184° 3' 41"N98° 22' 12"E
Tongging16,0002° 53' 55"N98° 31' 23"E

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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