East Java (Surabaya)
January
Weather in East Java for January 2027
Your guide to East Java weather in January - trends and predictions
In general, the average temperature in East Java at the beginning of January is 30 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.6 °C by the end of January.
East Java experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 329.3 mm.
Is January a good time to visit East Java? check out the best time to travel to East Java page.
✨ Is January a good time to visit East Java? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
2
Dry days
29
Rainy days
0
Snow days
30°/24°
Temperatures
14 km/h
Avg max wind
79 %
Avg humidity
East Java Weather January
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What’s the Weather Like in East Java This January?
Discover the average temperatures and weather trends across East Java’s cities this January.
Temperatures trend during January in East Java
See the weather trend as well as the moving average line
January weather in East Java day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Moderate rain | 29° /25° | 12.6 mm | 7 | |
| 2 Jan. |  Heavy rain at times | 29° /25° | 7.1 mm | 7 | |
| 3 Jan. |  Light rain | 31° /24° | 4.7 mm | 8 | |
| 4 Jan. | Light rain | 31° /24° | 6.5 mm | 7 | |
| 5 Jan. | Light rain | 31° /25° | 8.5 mm | 8 | |
| 6 Jan. | Moderate rain | 30° /24° | 10 mm | 8 | |
| 7 Jan. | Light rain | 31° /24° | 8 mm | 9 | |
| 8 Jan. | Moderate rain | 31° /25° | 10 mm | 9 | |
| 9 Jan. | Moderate rain | 31° /24° | 13.3 mm | 8 | |
| 10 Jan. | Light rain | 30° /25° | 6.2 mm | 8 | |
| 11 Jan. | Light rain | 31° /25° | 5.5 mm | 8 | |
| 12 Jan. | Light rain | 30° /25° | 6.9 mm | 8 | |
| 13 Jan. | Light rain | 30° /25° | 3.1 mm | 8 | |
| 14 Jan. | Light rain | 31° /25° | 2.9 mm | 8 | |
| 15 Jan. | Light rain | 31° /25° | 8.3 mm | 8 | |
| 16 Jan. | Moderate rain | 29° /25° | 10.5 mm | 8 | |
| 17 Jan. | Moderate rain | 30° /24° | 16.4 mm | 8 | |
| 18 Jan. | Moderate rain | 29° /24° | 12.9 mm | 8 | |
| 19 Jan. | Moderate rain | 30° /24° | 19.8 mm | 8 | |
| 20 Jan. | Moderate rain | 30° /24° | 10.7 mm | 8 | |
| 21 Jan. | Light rain | 29° /24° | 7.2 mm | 8 | |
| 22 Jan. | Heavy rain at times | 30° /24° | 15.1 mm | 8 | |
| 23 Jan. | Light rain | 30° /24° | 8.3 mm | 8 | |
| 24 Jan. | Light rain | 31° /24° | 9.5 mm | 9 | |
| 25 Jan. | Light rain | 30° /25° | 9.3 mm | 9 | |
| 26 Jan. | Moderate rain | 30° /24° | 16.6 mm | 9 | |
| 27 Jan. | Moderate rain | 31° /24° | 11.4 mm | 9 | |
| 28 Jan. | Moderate rain | 29° /24° | 16.8 mm | 8 | |
| 29 Jan. | Moderate rain | 29° /24° | 16.7 mm | 9 | |
| 30 Jan. |  Moderate or heavy rain shower | 29° /24° | 8.5 mm | 8 | |
| 31 Jan. |  Heavy rain | 30° /24° | 26.1 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for East Java 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 East Java forecast closer to your planned date for the most up-to-date weather information.
Change Month
East Java weather in January vs December vs February
Compare January weather in East Java 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 |  Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 31°/25° | 30°/24° | 30°/24° |
| Rainfall | 308 mm | 329 mm | 348 mm |
| Wind | 12 km/h | 13.9 km/h | 14.1 km/h |
| Humidity | 76% | 79% | 82% |
| Rainy days | 27 days | 29 days | 27 days |
| Dry days | 4 days | 2 days | 1 days |
Planning a trip to East Java? Discover the best time to visit
East Java in January - FAQ
What are the expected maximum and minimum temperatures in East Java during January?
During January, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in East Java during January?
Significant rainfall exceeding 329.3 mm is expected in East Java during January, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in East Java during January?
The average wind speed in East Java during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in East Java
Explore the daily rainfall trends and prepare for East Javas January weather 💧
Typically, East Java has 29 rainy days in January with a total of 329.3 mm of rainfall.
UV exposure in East Java during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
What to pack to East Java in January?
Warm & sunny · highs around 30 °C, frequent showers
As you prepare for your trip to East Java 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 East Java, during January, is comfortable and enjoyable, regardless of the weather conditions.
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🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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