Weather in Surabaya in October 2025
- October is usually the hottest month of the year in Surabaya;
Average weather
Average temperature in Surabaya in October
The temperature in October is +93°F on average, with a range between a maximum of +97°F during the day and a minimum of +77°F at night.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +91°F to +93°F.
Is Surabaya warm or cold in October?
Surabaya is typically hot in October.
Maximum temperatures go up compared to the previous month from +90°F to +91°F. The minimum temperature also goes up from +77°F to +79°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
October is the hottest month in Surabaya, here is the comparison with other months:
Climate in Surabaya in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +90°F | +91°F | +90°F | ||||
| Min. temperature | ||||||
| +70°F | +68°F | +73°F | ||||
| Max. temperature | ||||||
| +97°F | +99°F | +99°F | ||||
| Rainfall | ||||||
| 22 mm | 71 mm | 175 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 1 m/s | ||||
| Humidity | ||||||
| 68% | 69% | 75% | ||||
| Air pressure | ||||||
| 1010 HPa | 1009 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 9 | 5 | 1 | ||||
| Cloudy days | ||||||
| 10 | 5 | 1 | ||||
| Rainy days | ||||||
| 10 | 19 | 23 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October typically has worse weather conditions compared to September. It’s getting warmer as October arrives. The average maximum temperature goes up from +90°F to +91°F during the day. Prepare for more rain. Average rainfall goes from 22 mm to 71 mm. Humidity rises from 68% to 69%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 9 sunny days in September to 5 in October.
Next month (November) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Surabaya is gradually increasing during October, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last October in Surabaya?
Climate Change Over the Years
The climate in Surabaya in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+87°F) and the highest in 2009 (+91°F). The driest year was 1997 with only 1067 mm of rainfall, and the wettest year was 2010 with 2524 mm.
FAQ
Is October a good time to visit Surabaya?
Can you sunbathe in Surabaya in October?
Is Surabaya rainy in October?
Is it sunny in Surabaya in October?
Other cities in Indonesia
Monthly weather in Surabaya
Source of the data
For this page, we’ve looked at the typical weather in Surabaya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
