Surabaya
January
Weather in Surabaya for January 2026
Your guide to Surabaya weather in January - trends and predictions
In general, the average temperature in Surabaya at the beginning of January is 30.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.9 °C by the end of January.
Surabaya experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 308.3 mm.
Is January a good time to visit Surabaya? check out the best time to travel to Surabaya page.
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Temperatures
Rain 🌧️
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0
Dry days
31
Rainy days
0
Snow days
31°/25°
Temperatures
12 km/h
Avg max wind
77 %
Avg humidity
Surabaya Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  29° | 3 31° | 4  32° | |||
| 5 31° | 6 30° | 7  31° | 8 31° | 9 31° | 10 31° | 11 32° |
| 12 32° | 13 31° | 14 31° | 15 31° | 16 29° | 17 30° | 18 29° |
| 19 30° | 20 30° | 21 29° | 22 31° | 23 31° | 24 31° | 25 30° |
| 26 30° | 27 31° | 28 30° | 29 29° | 30 29° | 31 30° |
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Temperatures trend during January in Surabaya
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Moderate or heavy rain shower | 30° /24° | 16 mm | 7 | |
| 2 Jan. | Heavy rain at times | 29° /25° | 5.9 mm | 8 | |
| 3 Jan. | Moderate rain at times | 31° /24° | 2.6 mm | 8 | |
| 4 Jan. | Patchy rain possible | 32° /24° | 7.2 mm | 8 | |
| 5 Jan. | Light rain shower | 31° /24° | 6.7 mm | 9 | |
| 6 Jan. | Moderate or heavy rain shower | 30° /24° | 11.4 mm | 9 | |
| 7 Jan. | Overcast | 31° /24° | 9.4 mm | 9 | |
| 8 Jan. | Light rain shower | 31° /25° | 9.5 mm | 9 | |
| 9 Jan. | Moderate or heavy rain shower | 31° /24° | 12.9 mm | 9 | |
| 10 Jan. | Light rain shower | 31° /25° | 6.3 mm | 9 | |
| 11 Jan. | Patchy rain possible | 32° /24° | 4.6 mm | 9 | |
| 12 Jan. | Patchy rain possible | 32° /25° | 4.3 mm | 9 | |
| 13 Jan. | Patchy rain possible | 31° /24° | 2.9 mm | 9 | |
| 14 Jan. | Overcast | 31° /25° | 3.1 mm | 9 | |
| 15 Jan. | Light rain shower | 31° /25° | 10.7 mm | 9 | |
| 16 Jan. | Light rain shower | 29° /24° | 12.8 mm | 8 | |
| 17 Jan. | Moderate or heavy rain shower | 30° /24° | 20 mm | 9 | |
| 18 Jan. | Moderate or heavy rain shower | 29° /23° | 14.9 mm | 8 | |
| 19 Jan. | Moderate rain at times | 30° /24° | 24.3 mm | 9 | |
| 20 Jan. | Moderate or heavy rain shower | 30° /23° | 12.3 mm | 9 | |
| 21 Jan. | Light rain shower | 29° /24° | 8.5 mm | 8 | |
| 22 Jan. | Heavy rain at times | 31° /24° | 13.5 mm | 9 | |
| 23 Jan. | Patchy rain possible | 31° /24° | 6.7 mm | 9 | |
| 24 Jan. | Light rain shower | 31° /24° | 12.3 mm | 9 | |
| 25 Jan. | Light rain shower | 30° /24° | 12.3 mm | 9 | |
| 26 Jan. | Moderate or heavy rain shower | 30° /24° | 20.3 mm | 9 | |
| 27 Jan. | Moderate rain at times | 31° /24° | 12 mm | 9 | |
| 28 Jan. | Moderate or heavy rain shower | 30° /24° | 19.7 mm | 9 | |
| 29 Jan. | Light rain shower | 29° /23° | 16.9 mm | 8 | |
| 30 Jan. | Moderate or heavy rain shower | 29° /23° | 6.9 mm | 8 | |
| 31 Jan. | Moderate or heavy rain shower | 30° /24° | 30.5 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Surabaya 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 Surabaya forecast closer to your planned date for the most up-to-date weather information.
Surabaya in January - FAQ
What are the expected maximum and minimum temperatures in Surabaya during January?
During January, expect a variety of temperatures with highs around 31° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Surabaya during January?
Significant rainfall exceeding 308.3 mm is expected in Surabaya during January, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Surabaya during January?
The average wind speed in Surabaya during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Surabaya in January?
As you prepare for your trip to Surabaya 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 Surabaya, 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 Surabaya
Explore the daily rainfall trends and prepare for Surabayas January weather 💧
UV exposure in Surabaya during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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