October Weather in Surabaya, Indonesia

Last updated: August 23, 2025

In October, the average temperature in Surabaya, Indonesia is a warm 28°C (82°F). Visitors can expect a comfortable range with minimums around 23°C (73°F) and highs reaching up to 35°C (95°F). However, be prepared for some wet days, as 118 mm (4.6 in) of precipitation typically falls over 19 days. With an average humidity of 76%, the air has a distinctly tropical feel, perfect for those who enjoy a bit of moisture in the atmosphere!

October Temperature in Surabaya

In October in Surabaya, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F) and minimums can be as low as 23°C (73°F). This warm and pleasant weather makes Surabaya an ideal destination for outdoor activities and relaxation during your travels.

October Weather in Surabaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Surabaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surabaya, October typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for Surabaya generated using information from the Copernicus Climate Change Service.

October Precipitation in Surabaya

In Surabaya, in October, the precipitation amount is 118 mm (4.6 in), occurring over the course of 19 days.

October Precipitation Trends in Surabaya

The chart displays monthly precipitation patterns in Surabaya, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Surabaya, October typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Surabaya

In Surabaya in October humidity is 76%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and sluggish as you navigate through the heat, leaving you constantly seeking shade and refreshing beverages.

October Average Humidity in Surabaya

This chart illustrates the average monthly humidity levels in Surabaya, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Surabaya is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Surabaya

In Surabaya in October, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Surabaya.

Maximum UV Index Levels in Surabaya for October

The chart shows the monthly maximum UV Index (UVI) for Surabaya in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Surabaya typically reaches 15, which falls under the extreme exposure category.

Data source: Surabaya October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Surabaya Compares to Other Months

Weather in Surabaya varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Surabaya, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Surabaya, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	257 mm (10.1 inches)	85%	extreme
February Weather	27°C (81°F)	325 mm (12.8 inches)	86%	extreme
March Weather	27°C (81°F)	418 mm (16.4 inches)	84%	extreme
April Weather	28°C (82°F)	318 mm (12.5 inches)	82%	extreme
May Weather	28°C (82°F)	242 mm (9.5 inches)	80%	extreme
June Weather	27°C (81°F)	198 mm (7.8 inches)	80%	extreme
July Weather	27°C (80°F)	107 mm (4.2 inches)	80%	extreme
August Weather	27°C (80°F)	77 mm (3.0 inches)	78%	extreme
September Weather	27°C (81°F)	97 mm (3.8 inches)	74%	extreme
October Weather	28°C (82°F)	118 mm (4.6 inches)	76%	extreme
November Weather	28°C (82°F)	250 mm (9.8 inches)	78%	extreme
December Weather	27°C (81°F)	340 mm (13.4 inches)	80%	extreme