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North Sumatra Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

North Sumatra year round climate

  • Spring (March-May): Average 78–79°F, hot and dry climate with low rainfall. Common activities: Outdoor adventures, visiting cultural heritage sites. Recommended clothing: Light and breathable clothing, hat, sun protection clothing.
  • Summer (June-August): Average 78–80°F, hot and dry climate with very low rainfall. Common activities: Water activities, hiking. Recommended clothing: Light and breathable clothing, hat, sun protection clothing.
  • Autumn (September-November): Average 77–78°F, relatively comfortable climate with moderate rainfall. Common activities: Exploring natural landscapes, visiting local markets. Recommended clothing: Light long-sleeved clothing, comfortable shoes.
  • Winter (December-February): Average 77–78°F, warm climate with moderate to low rainfall. Common activities: Visiting temples, enjoying local cuisine. Recommended clothing: Light long-sleeved clothing or light jacket.

North Sumatra climatological average

Annual average temperature: approx. 78.6°F / Annual rainfall: approx. 121 mm / Summer humidity: 60%–70% / Rainiest month: January

North Sumatra monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
77°F
16.2
February
78.8°F
7.3
March
79.2°F
10.6
April
79.7°F
11
May
79.5°F
6.6
June
79°F
7.6
July
80.4°F
3.8
August
77.7°F
11.9
September
78.4°F
11.8
October
78.4°F
8.8
November
77.4°F
15.3
December
77.2°F
10.5

North Sumatra weather for the next seven days

9/18
Friday
Light rain shower
77.7°F/62.1°F
9/19
Saturday
Fog
70.3°F/64.1°F
9/20
Sunday
Fog
78.5°F/64.7°F
9/21
Monday
Light rain shower
84.1°F/63°F
9/22
Tuesday
Light rain shower
80.1°F/64°F
9/23
Wednesday
Light rain shower
75.8°F/64.5°F
9/24
Thursday
Light rain shower
81.3°F/63.1°F