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Weather in Surabaya for August 2026

Your guide to Surabaya weather in August - trends and predictions

    Temperatures

  • 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 August is 31.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.4 °C by the end of August.

    • Rain 🌧️

  • Surabaya experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 23.9 mm.

    • More

  • Is August 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
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/23°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Surabaya Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
32°
2
Sunny
32°
3
Patchy rain possible
31°
4
Patchy rain possible
31°
5
Sunny
32°
6
Smoky haze
31°
7
Sunny
32°
8
Sunny
32°
9
Sunny
32°
10
Sunny
31°
11
Sunny
31°
12
Sunny
32°
13
Sunny
32°
14
Sunny
32°
15
Sunny
30°
16
Sunny
32°
17
Sunny
31°
18
Sunny
31°
19
Sunny
31°
20
Sunny
31°
21
Cloudy
31°
22
Patchy rain possible
31°
23
Patchy rain possible
31°
24
Sunny
31°
25
Partly cloudy
32°
26
Sunny
32°
27
Partly cloudy
32°
28
Partly cloudy
31°
29
Patchy rain possible
31°
30
Partly cloudy
31°
31
Sunny
31°

Temperatures trend during August in Surabaya

See the weather trend as well as the moving average line

August weather in Surabaya day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Sunny
Sunny
 32° /23° 0.3 mm 8
2 Aug. Sunny
Sunny
 32° /24° 1.2 mm 8
3 Aug. Patchy rain possible
Patchy rain possible
 31° /26° 0.8 mm 10
4 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 1 mm 10
5 Aug. Sunny
Sunny
 32° /24° 0 mm 10.5
6 Aug. Smoky haze
Smoky haze
 31° /25° 0.2 mm 9.5
7 Aug. Sunny
Sunny
 32° /25° 0.1 mm 9
8 Aug. Sunny
Sunny
 32° /23° 0 mm 9
9 Aug. Sunny
Sunny
 32° /23° 0 mm 9
10 Aug. Sunny
Sunny
 31° /23° 0 mm 9
11 Aug. Sunny
Sunny
 31° /23° 0 mm 9
12 Aug. Sunny
Sunny
 32° /23° 0 mm 9
13 Aug. Sunny
Sunny
 32° /23° 0 mm 9
14 Aug. Sunny
Sunny
 32° /24° 0 mm 9
15 Aug. Sunny
Sunny
 30° /24° 0 mm 8
16 Aug. Sunny
Sunny
 32° /22° 0 mm 9
17 Aug. Sunny
Sunny
 31° /23° 0 mm 9
18 Aug. Sunny
Sunny
 31° /23° 2.9 mm 8
19 Aug. Sunny
Sunny
 31° /23° 2.1 mm 8
20 Aug. Sunny
Sunny
 31° /23° 3 mm 8
21 Aug. Cloudy
Cloudy
 31° /23° 1 mm 8
22 Aug. Patchy rain possible
Patchy rain possible
 31° /24° 0.2 mm 8
23 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 0.4 mm 8
24 Aug. Sunny
Sunny
 31° /23° 1.4 mm 8
25 Aug. Partly cloudy
Partly cloudy
 32° /23° 1.1 mm 8
26 Aug. Sunny
Sunny
 32° /23° 0 mm 9
27 Aug. Partly cloudy
Partly cloudy
 32° /24° 0.1 mm 8
28 Aug. Partly cloudy
Partly cloudy
 31° /23° 0.2 mm 8
29 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 0 mm 8
30 Aug. Partly cloudy
Partly cloudy
 31° /24° 0 mm 8
31 Aug. Sunny
Sunny
 31° /23° 0 mm 9
Next
Important Notice
Our weather forecast for Surabaya in August 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 August vs July vs September

Compare August 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.
JulyAugustSeptember
WeatherPatchy rain possible
Patchy rain possible
Sunny
Sunny
Patchy rain possible
Patchy rain possible
Temperatures31°/23°31°/23°32°/24°
Rainfall30 mm24 mm31 mm
Wind14.3 km/h16.5 km/h17.6 km/h
Humidity67%66%63%
Rainy days5 days6 days7 days
Dry days26 days25 days23 days

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

Surabaya in August - FAQ

What are the expected maximum and minimum temperatures in Surabaya during August?
During August, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Surabaya during August?
In August, Surabaya can expect light to moderate rainfall, totaling 23.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Surabaya during August?
The average wind speed in Surabaya during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Surabaya

Explore the daily rainfall trends and prepare for Surabayas August weather 💧
Typically, Surabaya has 6 rainy days in August with a total of 23.9 mm of rainfall.

UV exposure in Surabaya during August

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

What to pack to Surabaya in August?

☀️ Warm & sunny · highs around 31 °C, occasional showers

As you prepare for your trip to Surabaya in August, 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 August, is comfortable and enjoyable, regardless of the weather conditions.

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🧥 Clothing

👟 Footwear

🎒 Accessories

🧴 Personal Items

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Location coordinates Where is Surabaya?

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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