North Sumatra, Indonesia Weather

North Sumatra,  Weather
(Photo by Dikaseva on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Moderate Drizzle

Pressure: 847 hPa

Feel like: 17 °C

Temperature: 15°C

Cloud: 99%

Humidity: 98%

Wind: SW - 3 km/h

Visibility: 4.18 km

Weather forecast

Sat
19 Sep
15°C / 22°C
Moderate Rain Showers
Sun
20 Sep
15°C / 21°C
Moderate Drizzle
Mon
21 Sep
15°C / 20°C
Moderate Rain Showers
Tue
22 Sep
15°C / 19°C
Moderate Rain Showers
Wed
23 Sep
15°C / 21°C
Drizzle Dense Intensity
Hourly forecast today:
16:00 PM
15° / 15°
15° / 15°
Moderate Drizzle
98% 16 km/h
17:00 PM
15° / 15°
15° / 15°
Drizzle
98% 12 km/h
18:00 PM
15° / 15°
15° / 15°
Overcast
99% 12 km/h
19:00 PM
15° / 15°
15° / 15°
Overcast
98% 13 km/h
20:00 PM
15° / 15°
15° / 15°
Overcast
98% 15 km/h
21:00 PM
15° / 15°
15° / 15°
Overcast
98% 16 km/h
22:00 PM
14° / 15°
14° / 15°
Overcast
98% 16 km/h
23:00 PM
14° / 15°
14° / 15°
Overcast
98% 17 km/h
00:00 AM
15° / 15°
15° / 15°
Overcast
98% 16 km/h
01:00 AM
16° / 17°
16° / 17°
Overcast
97% 19 km/h
02:00 AM
16° / 17°
16° / 17°
Overcast
93% 20 km/h

30 Day Averages and Extremes

  • Average high 21.57°C
  • Average low 14.4°C
  • Hottest day 24°C (03 September 2026)
  • Coldest day 13°C (03 September 2026)
  • Average humidity 88.97%
  • Days with precipitation 28 days
  • Highest precipitation 74 mm (11 September 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 14°C
  • Total Precipitation: 12 mm

Temperature and possibility of rain in North Sumatra over the next 12 hours

Temperature and possibility of rain in North Sumatra in the coming days

Rainfall in North Sumatra in the coming days

North Sumatra Climate Summary

North Sumatra features a Tropical rainforest (Köppen classification: Af), with an average annual temperature of 27.46ºC (81.43ºF), which is about 0.35% higher than the national average for Indonesia. Annually, the city experiences approximately 153.41 millimeters (6.04 inches) of rainfall, spread across 274.37 rainy days, accounting for 75.17% of the year.

Longitude 2.1153547
Latitude 99.5450974
Yearly high temperature 31.23ºC (88.21ºF)
Yearly low temperature 22.23ºC (72.01ºF)
Hottest month August 32.34ºC (90.21ºF)
Coldest month January 21.83ºC (71.29ºF)
Yearly precip 153.41mm (6.04in)
Days with rainfall 274.37 days (75.17%)
Driest month June (78.85%)
Wettest month November (86.12%)

Weather averages by month

Month High / Low (°C) Rain
January 29.89° / 21.83° 22.73 days
February 30.4° / 21.85° 21.82 days
March 31.45° / 22.39° 24.0 days
April 31.38° / 22.64° 25.91 days
May 31.89° / 22.7° 25.09 days
June 32.38° / 22.2° 17.09 days
July 32.16° / 21.88° 19.0 days
August 32.34° / 22.27° 20.73 days
September 31.86° / 22.21° 23.36 days
October 31.23° / 22.27° 22.91 days
November 30.15° / 22.39° 26.18 days
December 29.61° / 22.14° 25.55 days

Frequently asked questions

1. What is the hottest month in North Sumatra?

August has the highest average monthly temperature (daily mean of 32.34ºC) and January are the coolest (daily mean of 21.83ºC).

2. What should I wear in North Sumatra today?

For today's warm weather in North Sumatra, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Cotton or linen fabrics
- Comfortable sandals or sneakers
- Shorts or lightweight trousers
- Sun hat or cap

Temperature

Early
16°C / 19°C
Morning
18°C / 19°C
Afternoon
15°C / 15°C
Evening
15°C / 15°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 521
  • CO 239
  • NH3 0
  • NO2 5
  • O3 27
  • PM10 6
  • PM25 6
  • SO2 1
  • CH4 1,366

Sunrise / Sunset

23:12
11:19