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Weather in Surabaya for December 2025

Your guide to Surabaya weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Surabaya is slightly cooler than the historical average by -0.7 °C.

  • The forecast for the next days in Surabaya predicts temperatures to be around 32 °C, close to the historical average.

  • In general, the average temperature in Surabaya at the beginning of December is 30.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 31.1 °C by the end of December.

    • Rain 🌧️

  • Surabaya experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 323.2 mm.

    • More

  • Is December a good time to visit Surabaya? check out the best time to travel to Surabaya 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
31°/25°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Surabaya Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
31°
2
Patchy rain possible
30°
3
Light rain shower
31°
4
Light rain shower
31°
5
Light rain shower
31°
6
Patchy rain possible
31°
7
Light rain shower
31°
8
Light rain shower
32°
9
Light rain shower
31°
10
Moderate or heavy rain shower
31°
11
Light rain shower
32°
12
Patchy rain possible
31°
13
Light rain shower
31°
14
Light rain shower
31°
15
Light rain shower
31°
16
Light rain shower
30°
17
Patchy rain possible
34°
18
Moderate rain
32°
19
Moderate rain
31°
20
Moderate rain
31°
21
Patchy rain possible
33°
22
Moderate rain
34°
23
Patchy rain possible
31°
24
Moderate rain
31°
25
Moderate rain
32°
26
Patchy rain possible
32°
27
Moderate rain
33°
28
Patchy rain possible
29°
29
Patchy rain possible
31°
30
Patchy rain possible
31°
31
Moderate or heavy rain shower
30°

Temperatures trend during December in Surabaya

See the weather trend as well as the moving average line

December weather in Surabaya day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light rain shower
Light rain shower
 31° /25° 11.7 mm 9
2 Dec. Patchy rain possible
Patchy rain possible
 30° /25° 11.5 mm 9
3 Dec. Light rain shower
Light rain shower
 31° /25° 6.5 mm 9
4 Dec. Light rain shower
Light rain shower
 31° /25° 8 mm 9
5 Dec. Light rain shower
Light rain shower
 31° /24° 8 mm 9
6 Dec. Patchy rain possible
Patchy rain possible
 31° /25° 15.5 mm 9
7 Dec. Light rain shower
Light rain shower
 31° /24° 10.1 mm 9
8 Dec. Light rain shower
Light rain shower
 32° /25° 11.4 mm 9
9 Dec. Light rain shower
Light rain shower
 31° /25° 8.2 mm 9
10 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /25° 7.6 mm 9
11 Dec. Light rain shower
Light rain shower
 32° /25° 13.5 mm 9
12 Dec. Patchy rain possible
Patchy rain possible
 31° /24° 22.5 mm 9
13 Dec. Light rain shower
Light rain shower
 31° /25° 9 mm 9
14 Dec. Light rain shower
Light rain shower
 31° /24° 10.2 mm 9
15 Dec. Light rain shower
Light rain shower
 31° /25° 10.8 mm 9
16 Dec. Light rain shower
Light rain shower
 30° /24° 22.7 mm 8
17 Dec. Patchy rain possible
Patchy rain possible
 34° /25° 2.8 mm 3.1
18 Dec. Moderate rain
Moderate rain
 32° /26° 8.1 mm 2.7
19 Dec. Moderate rain
Moderate rain
 31° /26° 8.8 mm 2.6
20 Dec. Moderate rain
Moderate rain
 31° /25° 6 mm 2.6
21 Dec. Patchy rain possible
Patchy rain possible
 33° /25° 2.3 mm 3.4
22 Dec. Moderate rain
Moderate rain
 34° /25° 6.4 mm 9
23 Dec. Patchy rain possible
Patchy rain possible
 31° /25° 3.7 mm 9
24 Dec. Moderate rain
Moderate rain
 31° /25° 9.5 mm 9
25 Dec. Moderate rain
Moderate rain
 32° /25° 7.5 mm 9
26 Dec. Patchy rain possible
Patchy rain possible
 32° /25° 4.7 mm 9
27 Dec. Moderate rain
Moderate rain
 33° /25° 9.1 mm 9
28 Dec. Patchy rain possible
Patchy rain possible
 29° /26° 3.4 mm 9
29 Dec. Patchy rain possible
Patchy rain possible
 31° /25° 4 mm 9
30 Dec. Patchy rain possible
Patchy rain possible
 31° /24° 2.8 mm 9
31 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /24° 12.2 mm 7
Next
Important Notice
Our weather forecast for Surabaya in December 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.
Change Month
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Surabaya weather in December vs November vs January

Compare December weather in Surabaya with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures33°/26°31°/25°30°/24°
Rainfall119 mm323 mm358 mm
Wind14.5 km/h12.9 km/h12.1 km/h
Humidity65%75%78%
Rainy days28 days31 days31 days
Dry days2 days0 days0 days

Planning a trip to Surabaya? Discover the best time to visit

Surabaya in December - FAQ

What are the expected maximum and minimum temperatures in Surabaya during December?
During December, 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 December?
Significant rainfall exceeding 323.2 mm is expected in Surabaya during December, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Surabaya during December?
The average wind speed in Surabaya during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Surabaya in December?

As you prepare for your trip to 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 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 Surabaya

Explore the daily rainfall trends and prepare for Surabayas December weather 💧
Typically, Surabaya has 31 rainy days in December with a total of 323.2 mm of rainfall.

UV exposure in Surabaya during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

Quick links

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Get accurate weather forecasts for Surabaya, located at latitude -7.249 and longitude 112.751. Stay updated with localized weather information tailored for Surabaya.

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