North Sumatra (Medan)
January
Weather in North Sumatra for January 2026
Your guide to North Sumatra weather in January - trends and predictions
In general, the average temperature in North Sumatra at the beginning of January is 29.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.1 °C by the end of January.
North Sumatra experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 719.1 mm.
Is January a good time to visit North Sumatra? check out the best time to travel to North Sumatra page.
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Temperatures
Rain 🌧️
More
0
Dry days
31
Rainy days
0
Snow days
30°/22°
Temperatures
8 km/h
Avg max wind
87 %
Avg humidity
North Sumatra Weather January
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Patchy rain possible | 29° /21° | 2.2 mm | 6 | |
| 2 Jan. | Patchy rain possible | 29° /21° | 1.5 mm | 6 | |
| 3 Jan. |  Heavy rain at times | 30° /22° | 4.8 mm | 7 | |
| 4 Jan. | Patchy rain possible | 31° /22° | 2.9 mm | 7 | |
| 5 Jan. | Light rain shower | 29° /22° | 4.2 mm | 6 | |
| 6 Jan. |  Moderate rain at times | 30° /22° | 8.8 mm | 7 | |
| 7 Jan. | Light rain shower | 29° /22° | 12.5 mm | 6 | |
| 8 Jan. | Light rain shower | 28° /22° | 12 mm | 6 | |
| 9 Jan. | Moderate or heavy rain shower | 30° /22° | 4.2 mm | 7 | |
| 10 Jan. | Light rain shower | 30° /22° | 4.6 mm | 7 | |
| 11 Jan. | Light rain shower | 29° /22° | 5.1 mm | 7 | |
| 12 Jan. | Moderate or heavy rain shower | 29° /22° | 13 mm | 6 | |
| 13 Jan. | Moderate or heavy rain shower | 29° /22° | 7.9 mm | 7 | |
| 14 Jan. | Moderate or heavy rain shower | 30° /22° | 7 mm | 6 | |
| 15 Jan. | Moderate or heavy rain shower | 30° /22° | 6.5 mm | 7 | |
| 16 Jan. | Light rain shower | 29° /22° | 12.8 mm | 6 | |
| 17 Jan. | Patchy rain possible | 29° /22° | 13.8 mm | 6 | |
| 18 Jan. | Patchy rain possible | 31° /21° | 3.2 mm | 7 | |
| 19 Jan. | Light rain shower | 29° /22° | 9.1 mm | 6 | |
| 20 Jan. | Moderate rain at times | 30° /22° | 3.6 mm | 7 | |
| 21 Jan. | Moderate or heavy rain shower | 29° /22° | 16.6 mm | 6 | |
| 22 Jan. | Moderate or heavy rain shower | 30° /22° | 10.6 mm | 6 | |
| 23 Jan. | Light rain shower | 30° /22° | 8.6 mm | 6 | |
| 24 Jan. | Light rain shower | 27° /22° | 10.2 mm | 6 | |
| 25 Jan. |  Overcast | 28° /21° | 9.2 mm | 6 | |
| 26 Jan. | Light rain shower | 28° /21° | 4.3 mm | 6 | |
| 27 Jan. | Light rain shower | 28° /22° | 8.6 mm | 6 | |
| 28 Jan. | Moderate or heavy rain shower | 27° /22° | 8.7 mm | 6 | |
| 29 Jan. | Light rain shower | 27° /22° | 8.5 mm | 6 | |
| 30 Jan. | Moderate or heavy rain shower | 29° /21° | 5.6 mm | 7 | |
| 31 Jan. | 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
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.
| December | January | February | |
|---|---|---|---|
| Weather | Light rain shower | Patchy rain possible | Patchy rain possible |
| Temperatures | 30°/22° | 30°/22° | 32°/22° |
| Rainfall | 695 mm | 719 mm | 422 mm |
| Wind | 8.5 km/h | 7.9 km/h | 9.7 km/h |
| Humidity | 88% | 87% | 82% |
| Rainy days | 30 days | 31 days | 27 days |
| Dry days | 1 days | 0 days | 2 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 💧
UV exposure in North Sumatra during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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