Last updated: August 21, 2025
Surabaya in October offers warm tropical weather characterized by a maximum temperature reaching 35°C (96°F) and an average of 30°C (86°F), ensuring plenty of sunshine. Nighttime brings a mild coolness with temperatures dipping to a minimum of 25°C (77°F). During this month, the city experiences approximately 80 mm (3.1 in) of rainfall over 14 days, resulting in a humidity level of around 72%. Despite the occasional showers, October's vibrant atmosphere makes it an inviting time to explore Surabaya's rich culture and scenic landscapes.
In October, Surabaya experiences a notable shift in temperatures as the weather begins to warm up, marking the transition into the hotter months. The minimum temperature settles at a comfortable 25°C (77°F), while the average reaches 30°C (86°F), offering a pleasant warmth that encourages outdoor activities. As the month progresses, the maximum temperature can soar to 35°C (96°F), signaling that summer is just around the corner. This trend reflects a gradual rise, consistent with the region’s climatic pattern, where temperatures typically peak in the latter part of the year. As daylight lingers, the vibrant energy of Surabaya comes alive against the backdrop of its warm October weather.
In October, Surabaya experiences a notable uptick in precipitation compared to the drier months of July and August, when rainfall dwindles to a mere 0.5 mm and 0.3 mm, respectively. This month sees a total of 80 mm (3.1 in) of rain spread over 14 days, marking a transition into the wetter season. While still significantly lower than the heavy showers of November and December, October's rainfall is a stark contrast to the preceding months, signaling the beginning of a more humid climate. This shift sets the stage for the forthcoming peak of the rainy season, as Surabaya prepares for a dramatic increase in precipitation in the later months.
As October settles in Surabaya, Indonesia, the humidity dips to 72%, reflecting a continuing trend of decreasing moisture levels from the peak of 85% seen in February. This month mirrors the drier conditions experienced in September and August, where humidity levels hovered around 72% and 74%, respectively. Overall, October marks a transition into the relatively drier months of the year, with humidity gently descending from the high averages earlier in the year. As the wet season approaches, this gradual decline sets the stage for a refreshing shift in Surabaya's tropical climate.
As October arrives in Surabaya, Indonesia, the UV Index remains a noteworthy concern, peaking at 13 in the extreme exposure category. This maintains the trend observed throughout the year, where the UV Index consistently hovers between 12 and 15, indicative of powerful sun exposure that calls for heightened caution. With an optimal burn time of just 10 minutes, residents and visitors alike should prioritize sun protection, echoing the patterns seen in the months preceding October. This month aligns with the general trend of extreme UV exposure, reflecting the need for vigilance when enjoying outdoor activities. To learn more about the UV levels throughout the year, visit Surabaya UV Index.
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In October, Surabaya, Indonesia, basks in a delightful 309 hours of sunshine, continuing the trend of abundant sunlight that peaks in the heart of the dry season. Following a summer of splendid brightness, with August leading at 315 hours, October maintains the momentum, offering residents and visitors a vibrant atmosphere ideal for outdoor activities. As the months progress, there's a natural ebb and flow; while September enjoyed a slight decrease to 306 hours, October’s sunshine remains robust, highlighting a resilient climate. Leading into the end of the year, the sunshine hours begin to decline, wrapping up the year with a satisfying warmth that’s characteristic of this remarkable coastal city.
In Surabaya, Indonesia, October brings a 25% chance of sunny weather, placing it in a transitional phase as the city shifts from the drier months into the wetter season. Following the drier peak of July and August, which boast sunny conditions over 50% of the time, October experiences a noticeable decline in sunlight, reflecting a trend that leads into the significantly cloudier months of November and December, where chances drop to 5% and 7%, respectively. This pattern highlights the city's unique climate cycle, where the sun makes a rare but welcome appearance before the heavier rains set in. If you’re planning to visit, October may offer a few clear skies but be prepared for the possible shifts in weather.
In October, Surabaya, Indonesia enjoys a generous 12 hours of daylight, mirroring the consistent illumination seen in most months of the year. The city basks in this vibrant glow from January through March, where daylight remains a constant 12 hours, showcasing a tropical paradise where the sun generously shares its time. As the calendar flips to April through August, daylight dips to 11 hours, hinting at a slight seasonal variation. However, the trend quickly pivots back, as October returns to the full 12-hour length, followed by November and December, ensuring that Indonesia's bustling city continues to thrive under the warm embrace of sunlight. This pattern illustrates the predictability of daylight in Surabaya, making it an ideal destination for sun-seekers year-round.
As the October wind sweeps through Surabaya, Indonesia, it brings a noticeable shift in pace, with an average wind speed of just 1.5 m/s (3 mph). This marks a decline from the breezier months of January, February, and even early fall, when winds danced more energetically across the city. The pattern reveals a trend of diminishing wind speeds as the year progresses, with October and November holding the quietest days at 1.5 and 1.3 m/s respectively. Residents and visitors alike can feel the subtle calm enveloping the city, as the light winds usher in the closing of the year, setting the stage for the tranquil days of the wet season ahead.
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.
October in Surabaya typically features warm temperatures with a minimum of 25°C (77°F) and an average of 30°C (86°F), peaking at a maximum of 35°C (96°F). The month experiences around 80 mm (3.1 in) of precipitation over 14 days, accompanied by a humidity level of 72%. In contrast, January sees slightly cooler temperatures, with an average of 28°C (82°F) and highs reaching up to 34°C (94°F). However, it is much wetter, receiving approximately 253 mm (10.0 in) of rainfall across 25 days, and the humidity rises to 81%. For a more detailed look at the weather, check out Surabaya weather in January.
When comparing the weather in October and February, we observe some notable differences. October offers a warmer climate with minimum temperatures around 25°C (77°F) and an average of 30°C (86°F), whereas February has slightly cooler minimum temperatures at 24°C (76°F) and a lower average of 28°C (82°F). February, however, is characterized by significantly higher precipitation, receiving 290 mm (11.4 in) over about 27 days, in contrast to October's 80 mm (3.1 in) across 14 days. Additionally, humidity levels are higher in February at 85%, compared to 72% in October. For more detailed information, you can check Surabaya weather in February.
In comparing the weather of October and March, October generally presents a hotter climate with average temperatures peaking at 30°C (86°F) and a maximum of 35°C (96°F), while March is slightly cooler with an average of 28°C (83°F) and a maximum of 33°C (92°F). However, March experiences significantly more rainfall, with 320 mm (12.6 in) of precipitation over 29 days compared to October's 80 mm (3.1 in) over 14 days. Additionally, March has a slightly higher humidity level of 83%, compared to October's 72%. For more details on March weather specifically, you can visit Surabaya weather in March.
In comparing the weather of October and April, both months experience warm temperatures, but they differ in key aspects. October has slightly higher average temperatures, with daily highs reaching up to 35°C (96°F) and a moderate humidity level of 72%. In contrast, April features a slightly lower average temperature of 29°C (84°F), but it brings significantly more rainfall, with 175 mm (6.9 in) of precipitation over 24 days and a higher humidity level of 80%. This makes April feel more humid and rainy compared to the drier conditions of October. For more details on April weather, check out Surabaya weather in April.
In comparison to May, October tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 35°C (96°F), compared to May's minimum of 24°C (76°F) and maximum of 34°C (93°F). Both months experience higher humidity levels, but October's 72% is marginally lower than May's 81%. Although October has increased precipitation at 80 mm (3.1 in) over 14 days, May sees a bit less rain at 69 mm (2.7 in) over 12 days. For more details, you can check Surabaya weather in May.
In comparing the weather between October and June, October tends to be slightly warmer, with average temperatures reaching around 30°C (86°F) compared to June's average of 29°C (84°F). Both months experience high humidity, but October's humidity is a bit lower at 72%, while June is at 80%. Additionally, October receives more rainfall, with an average of 80 mm over 14 days, compared to June's 51 mm over 10 days. For a closer look at June's weather in Surabaya, you can visit Surabaya weather in June.
When comparing the weather in October to July, October tends to be warmer overall, with average temperatures reaching 30°C (86°F) compared to July's 28°C (83°F). The maximum temperatures in October peak at 35°C (96°F), slightly higher than July’s maximum of 33°C (92°F). However, October also brings significantly more rainfall, with 80 mm (3.1 in) of precipitation over 14 days, in stark contrast to July's mere 13 mm (0.5 in) over just 2 days. Additionally, October's humidity level averages around 72%, slightly less oppressive than July's 78%. For a more detailed look at July's weather, you can visit Surabaya weather in July.
In comparing the weather between October and August, October tends to be slightly warmer with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 35°C (95°F). In contrast, August features a cooler average with temperatures ranging from 22°C (72°F) to 33°C (92°F). Additionally, October experiences significantly more precipitation, with 80 mm (3.1 in) spread over 14 days, while August sees only 8 mm (0.3 in) over just 2 days. Both months have similar humidity levels, but October is a bit drier at 72%, compared to August's 74%. For more details on August weather, you can visit Surabaya weather in August.
In September, the weather features a minimum temperature of 23°C (75°F) and an average of 29°C (84°F), with a maximum reaching 36°C (96°F). The month sees relatively low precipitation, totaling 21 mm (0.8 in) over just 4 days, while maintaining a consistent humidity level of 72%. In contrast, October brings slightly warmer temperatures, with a minimum of 25°C (77°F), average of 30°C (86°F), and a maximum of 35°C (96°F). However, it experiences significantly increased rainfall, accumulating 80 mm (3.1 in) over 14 days. While both months share the same humidity levels, October is marked by its wetter conditions compared to the drier September. For more details on September weather, visit Surabaya weather in September.
October and November exhibit subtle yet notable differences in weather patterns. In October, the temperatures range from a minimum of 25°C (77°F) to a maximum of 35°C (96°F), with an average temperature of 30°C (86°F). The month sees around 80 mm (3.1 in) of precipitation over approximately 14 days, accompanied by a humidity level of 72%. In contrast, November experiences slightly cooler minimum temperatures at 24°C (76°F) but can reach a higher maximum of 36°C (97°F), resulting in an average of 29°C (85°F). However, precipitation significantly increases to 208 mm (8.2 in) over 26 days, with humidity remaining similar at 73%. For more detailed insights, you can refer to Surabaya weather in November.
In comparing October and December weather, October experiences warmer average temperatures, peaking at around 30°C (86°F) with maximums reaching 35°C (96°F). In contrast, December has slightly cooler averages at 28°C (83°F), but can hit maximums of 36°C (97°F). Precipitation is significantly higher in December, with 302 mm (11.9 in) over 29 days compared to October's 80 mm (3.1 in) over 14 days, leading to a somewhat wetter and more humid atmosphere. Additionally, December's humidity levels are slightly elevated at 75%, compared to October's 72%. For more detailed information, check out Surabaya weather in December.
As October unfolds in Surabaya, the weather shifts towards a warm embrace, with temperatures hovering around a comfortable 30°C (86°F), peaking at 35°C (96°F). Unlike the drier months that precede it, October brings a notable increase in humidity and precipitation, seeing about 80 mm of rain over 14 days. This transition marks a significant change from the previous months, making the air feel more sultry. The blend of warmth and moisture sets the stage for vibrant tropical life, inviting exploration and adventure. For a deeper dive into what Surabaya has to offer throughout the year, check out Surabaya Climate.