Weather in Kota Surabaya for December 2025
Until now, December 2025 in Kota Surabaya has been nearly identical to the historical average, with a temperature of 30.6 °C (showing only a slight deviation of -0.5 °C).
Expect cooler weather in the next days in Kota Surabaya with the forecast suggesting a temperature of 31.6 °C, lower than the historical average.
In general, the average temperature in Kota Surabaya at the beginning of December is 30.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 32.3 °C by the end of December.
Kota Surabaya experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 323.2 mm.
Is December a good time to visit Kota Surabaya? check out the best time to travel to Kota Surabaya page.
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Kota Surabaya Weather December
Temperatures trend during December in Kota Surabaya
December weather in Kota Surabaya day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 31° /25° | 11.7 mm | 9 | |
| 2 Dec. | Patchy rain possible | 30° /25° | 11.5 mm | 9 | |
| 3 Dec. | Light rain shower | 31° /25° | 6.5 mm | 9 | |
| 4 Dec. | Light rain shower | 31° /25° | 8 mm | 9 | |
| 5 Dec. | Light rain shower | 31° /24° | 8 mm | 9 | |
| 6 Dec. | Patchy rain possible | 31° /25° | 15.5 mm | 9 | |
| 7 Dec. | Light rain shower | 31° /24° | 10.1 mm | 9 | |
| 8 Dec. | Light rain shower | 32° /25° | 11.4 mm | 9 | |
| 9 Dec. | Light rain shower | 31° /25° | 8.2 mm | 9 | |
| 10 Dec. |  Moderate or heavy rain shower | 31° /25° | 7.6 mm | 9 | |
| 11 Dec. | Light rain shower | 32° /25° | 13.5 mm | 9 | |
| 12 Dec. | Patchy rain possible | 31° /24° | 22.5 mm | 9 | |
| 13 Dec. | Light rain shower | 31° /25° | 9 mm | 9 | |
| 14 Dec. | Light rain shower | 31° /24° | 10.2 mm | 9 | |
| 15 Dec. | Light rain shower | 31° /25° | 10.8 mm | 9 | |
| 16 Dec. | Light rain shower | 30° /24° | 15.2 mm | 9 | |
| 17 Dec. | Light rain shower | 31° /24° | 10.7 mm | 9 | |
| 18 Dec. | Light rain shower | 32° /24° | 4.2 mm | 9 | |
| 19 Dec. | Light rain shower | 32° /24° | 9 mm | 9 | |
| 20 Dec. | Light rain shower | 31° /24° | 5.2 mm | 9 | |
| 21 Dec. | Patchy rain possible | 32° /24° | 12.2 mm | 9 | |
| 22 Dec. | Light rain shower | 31° /25° | 8.6 mm | 8 | |
| 23 Dec. | Moderate or heavy rain shower | 31° /24° | 7.8 mm | 8 | |
| 24 Dec. | Patchy rain possible | 31° /24° | 8.3 mm | 8 | |
| 25 Dec. | Light rain shower | 30° /24° | 10.7 mm | 8 | |
| 26 Dec. | Patchy rain possible | 34° /25° | 2 mm | 3 | |
| 27 Dec. | Patchy rain possible | 33° /26° | 3.7 mm | 2.8 | |
| 28 Dec. | Patchy rain possible | 32° /26° | 4 mm | 2.6 | |
| 29 Dec. | Patchy rain possible | 33° /25° | 1.3 mm | 3.1 | |
| 30 Dec. |  Moderate rain | 32° /26° | 5.4 mm | 3.3 | |
| 31 Dec. | Patchy rain possible | 32° /25° | 1.2 mm | 9 | |
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Kota Surabaya weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 33°/26° | 31°/25° | 30°/24° |
| Rainfall | 119 mm | 323 mm | 358 mm |
| Wind | 14.5 km/h | 12.9 km/h | 12.1 km/h |
| Humidity | 65% | 75% | 78% |
| Rainy days | 28 days | 31 days | 31 days |
| Dry days | 2 days | 0 days | 0 days |
Planning a trip to Kota Surabaya? Discover the best time to visit
Kota Surabaya in December - FAQ
What to pack to Kota Surabaya in December?
As you prepare for your trip to Kota Surabaya in December, 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 Kota Surabaya, during December, 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
December rainfall patterns in Kota Surabaya
UV exposure in Kota Surabaya during December
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Where is Kota Surabaya?Get accurate weather forecasts for Kota Surabaya, located at latitude -7.249 and longitude 112.751. Stay updated with localized weather information tailored for Kota Surabaya.