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
12/17
Wednesday
Heavy rain
64.8°F/61.8°F
12/18
Thursday
Patchy rain nearby
66.8°F/60.9°F
12/19
Friday
Patchy rain nearby
77.6°F/60.7°F
12/20
Saturday
Moderate rain
77.1°F/61.5°F
12/21
Sunday
Heavy rain
71.8°F/63.6°F
12/22
Monday
Moderate rain
71°F/63.4°F
12/23
Tuesday
Patchy rain nearby
72°F/62.7°F
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