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Weather in North Sumatra for January 2026

Your guide to North Sumatra weather in January - trends and predictions

    Temperatures

  • Until now, January 2026 in North Sumatra is slightly cooler than the historical average by -0.6 °C.

  • The forecast for the next days in North Sumatra predicts temperatures to be around 30 °C, close to the historical average.

  • In general, the average temperature in North Sumatra at the beginning of January is 29.4 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 29.4 °C by the end of January.

    • Rain 🌧️

  • North Sumatra experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 719.1 mm.

    • More

  • Is January a good time to visit North Sumatra? check out the best time to travel to North Sumatra page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
0
Dry days
Average rainy days
31
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/22°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
87 %
Avg humidity

North Sumatra Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
29°
2
Light rain shower
29°
3
Heavy rain at times
29°
4
Patchy rain possible
31°
5
Light rain shower
29°
6
Patchy light drizzle
30°
7
Light rain shower
29°
8
Light rain shower
29°
9
Moderate or heavy rain shower
30°
10
Light rain shower
30°
11
Light rain shower
29°
12
Light rain shower
29°
13
Moderate or heavy rain shower
29°
14
Patchy rain possible
29°
15
Patchy rain possible
30°
16
Patchy rain possible
30°
17
Patchy rain possible
30°
18
Patchy rain possible
30°
19
Patchy rain possible
29°
20
Patchy rain possible
29°
21
Patchy rain possible
29°
22
Patchy rain possible
28°
23
Patchy rain possible
31°
24
Mist
30°
25
Sunny
31°
26
Sunny
31°
27
Patchy rain possible
31°
28
Moderate or heavy rain shower
27°
29
Light rain shower
27°
30
Moderate or heavy rain shower
29°
31
Patchy rain possible
30°

Temperatures trend during January in North Sumatra

See the weather trend as well as the moving average line

January weather in North Sumatra day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Patchy rain possible
Patchy rain possible
 29° /21° 6 mm 6
2 Jan. Light rain shower
Light rain shower
 29° /21° 4.8 mm 6
3 Jan. Heavy rain at times
Heavy rain at times
 29° /21° 5.8 mm 7
4 Jan. Patchy rain possible
Patchy rain possible
 31° /21° 2.4 mm 7
5 Jan. Light rain shower
Light rain shower
 29° /22° 4.7 mm 6
6 Jan. Patchy light drizzle
Patchy light drizzle
 30° /22° 6.9 mm 7
7 Jan. Light rain shower
Light rain shower
 29° /22° 10.8 mm 6
8 Jan. Light rain shower
Light rain shower
 29° /22° 12.5 mm 6
9 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /22° 8.6 mm 6
10 Jan. Light rain shower
Light rain shower
 30° /21° 5 mm 6
11 Jan. Light rain shower
Light rain shower
 29° /21° 4.9 mm 6
12 Jan. Light rain shower
Light rain shower
 29° /22° 10 mm 7
13 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /21° 5.9 mm 7
14 Jan. Patchy rain possible
Patchy rain possible
 29° /22° 3.1 mm 2.5
15 Jan. Patchy rain possible
Patchy rain possible
 30° /22° 0.5 mm 2.6
16 Jan. Patchy rain possible
Patchy rain possible
 30° /22° 1.2 mm 2.6
17 Jan. Patchy rain possible
Patchy rain possible
 30° /22° 4.7 mm 3
18 Jan. Patchy rain possible
Patchy rain possible
 30° /21° 2.3 mm 5
19 Jan. Patchy rain possible
Patchy rain possible
 29° /22° 1.1 mm 5
20 Jan. Patchy rain possible
Patchy rain possible
 29° /22° 1 mm 5
21 Jan. Patchy rain possible
Patchy rain possible
 29° /22° 1.2 mm 5
22 Jan. Patchy rain possible
Patchy rain possible
 28° /22° 2.6 mm 5
23 Jan. Patchy rain possible
Patchy rain possible
 31° /22° 0.1 mm 6
24 Jan. Mist
Mist
 30° /22° 0 mm 6
25 Jan. Sunny
Sunny
 31° /22° 0 mm 7
26 Jan. Sunny
Sunny
 31° /22° 0 mm 7
27 Jan. Patchy rain possible
Patchy rain possible
 31° /22° 0.5 mm 6
28 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /22° 8.7 mm 6
29 Jan. Light rain shower
Light rain shower
 27° /22° 8.5 mm 6
30 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /21° 5.6 mm 7
31 Jan. Patchy rain possible
Patchy rain possible
 30° /21° 8.8 mm 6
Next
Important Notice
Our weather forecast for North Sumatra in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the North Sumatra forecast closer to your planned date for the most up-to-date weather information.
Change Month
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North Sumatra weather in January vs December vs February

Compare January weather in North Sumatra with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
DecemberJanuaryFebruary
WeatherLight rain shower
Light rain shower
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures30°/22°30°/22°32°/22°
Rainfall695 mm719 mm422 mm
Wind8.5 km/h7.9 km/h9.7 km/h
Humidity88%87%82%
Rainy days30 days31 days27 days
Dry days1 days0 days2 days

Planning a trip to North Sumatra? Discover the best time to visit

North Sumatra in January - FAQ

What are the expected maximum and minimum temperatures in North Sumatra during January?

During January, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.

How much rainfall should be expected in North Sumatra during January?

Significant rainfall exceeding 719.1 mm is expected in North Sumatra during January, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in North Sumatra during January?

The average wind speed in North Sumatra during January is 8 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to North Sumatra in January?

As you prepare for your trip to North Sumatra in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in North Sumatra, during January, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

January rainfall patterns in North Sumatra

Explore the daily rainfall trends and prepare for North Sumatras January weather 💧
Typically, North Sumatra has 31 rainy days in January with a total of 719.1 mm of rainfall.

UV exposure in North Sumatra during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
Provinces in North Sumatra
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Location coordinates Where is North Sumatra?

Get accurate weather forecasts for North Sumatra, located at latitude 3.583 and longitude 98.667. Stay updated with localized weather information tailored for North Sumatra.

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