Last updated: August 21, 2025
Experience the vibrant August weather in Surabaya, Indonesia, where temperatures typically soar to a maximum of 33°C (92°F), with a pleasant average of 28°C (83°F) and a refreshing minimum of 22°C (72°F). Visitors can expect a light drizzle, with precipitation amounting to 8 mm (0.3 in) over just 2 days, allowing for warm and mostly dry outdoor activities. The air is infused with a notable humidity level of 74%, creating a tropical ambiance that characterizes this bustling city during the peak of the dry season. Enjoy the rich cultural experiences Surabaya offers amidst these favorable weather conditions!
In August, Surabaya, Indonesia, enjoys pleasant tropical temperatures that epitomize the region's summer essence. With a minimum of 22°C (72°F) and a consistent average of 28°C (83°F), the climate remains comfortable for outdoor activities. The maximum temperature reaches 33°C (92°F), mirroring trends from previous months while reflecting a slight decline in nighttime temperatures as the city transitions from the cooler July. This month's weather maintains a harmonious balance, allowing residents and visitors alike to revel in the vibrant culture amidst warm, breezy days, making it an ideal time to explore the city's rich offerings.
In August, Surabaya experiences a significant drop in precipitation, with only 8 mm (0.3 in) of rain recorded over just two days. This minimal rainfall marks the tail end of the dry season, following a pattern that sees a sharp decline from the preceding months, which typically boast much higher totals, such as 320 mm (12.6 in) in March and 175 mm (6.9 in) in April. During this month, the city enjoys drier conditions, characterized by longer stretches of sunshine and less humidity, inviting outdoor activities. The trend is indicative of the region's seasonal climate, where the heavy rains of early and late year are sharply contrasted by the dry spell of mid-year, culminating in the relatively stark August dryness.
In August, Surabaya, Indonesia experiences a noticeable dip in humidity, dropping to a comfortable 74% compared to the higher levels of the preceding months. This trend reflects a gradual easing from the humid conditions of mid-year, which peaked at 85% in February and hovered around 80% during the rainy season. As the region transitions into September and onward, humidity continues to decrease slightly, reaching its lowest levels of 72% in both September and October. This decline creates a more pleasant atmosphere, particularly for those who appreciate the interplay between warmth and the fresher air of the dry season.
In August, Surabaya experiences a UV Index of 12, categorizing it as extreme, with a burn time of just 10 minutes. This trend of high UV levels follows a consistent pattern throughout the year, as each month from January to July showcases similar extreme ratings, mostly hovering around 12 to 15. The only month that deviates slightly is June, where the UV index falls to 10, marking it as very high and allowing for a slightly longer burn time of 15 minutes. As summer progresses into August, residents and visitors should remain vigilant about sun protection to avoid harmful effects. For more details on UV levels throughout the year, visit Surabaya UV Index.
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August in Surabaya, Indonesia, shines brightly with an impressive 315 hours of sunshine, marking it as one of the sunniest months of the year. This delightful stretch of sunlight follows a steady increase throughout the summer, with July close behind at 311 hours. As the year progresses, sunlight hours peak during the mid-year months, revealing a clear trend towards longer, more radiant days. This abundance of sun not only enhances the vibrant atmosphere of Surabaya but also sets the stage for outdoor adventures and cultural experiences, making it a perfect time to explore the city’s beauty. Interestingly, this sunny period contrasts starkly with the cooler, more moderate months of November and December, which see a significant drop in sunlight hours, reinforcing the allure of August's golden days.
In Surabaya, Indonesia, August often stands out as a month of abundant sunshine, boasting a 52% chance of clear skies. This marks a slight dip from July's impressive 54%, yet it continues the upward trend from the typically overcast months earlier in the year, where chances lingered below 43%. As the dry season peaks, the shift from the gloomy afternoons of November and December to the sun-filled vibrancy of August becomes palpable, making it a prime time for outdoor activities. With the rain receding and sunny days on the rise, August serves as a delightful bridge between the wetter months and the more arid ones that follow.
In Surabaya, Indonesia, the August daylight duration holds steady at 11 hours, consistent with the preceding months of June and July. This shift marks a gradual transition from the longer days of early in the year, where daylight spans a full 12 hours from January through March. As the year progresses into the latter months, September welcomes back the longer days, returning to 12 hours of daylight, creating a rhythmic pattern that reflects the region’s tropical climate. This predictable cycle offers both residents and visitors alike a reliable experience of Surabaya’s daylight, melding seamlessly with the vibrant culture and lively atmosphere of the city.
In August, Surabaya experiences a slight uptick in average wind speed, reaching 2.3 m/s (5 mph), a gentle breeze that complements the city's warm climate. This month marks a transition from the more tranquil conditions of the preceding months, where wind speeds lingered around 1.6 to 2.0 m/s (4 mph) from April to July. As summer progresses, the wind begins to dance a little faster, setting the stage for refreshing evenings and vibrant coastal activities. However, this increase is modest compared to the gusts that will appear later in the year, as speeds gradually taper off to their year-low averages in October and November. Overall, August serves as a refreshing interlude, where Surabaya's dynamic weather subtly shifts towards a blend of warmth and gentle winds.
Weather in Surabaya varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Surabaya, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January in Surabaya offer contrasting weather experiences. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). The month sees relatively low precipitation of just 8 mm (0.3 in) and only 2 rainy days, with humidity at 74%. In contrast, January has higher minimum temperatures, starting at 25°C (77°F) and reaching up to 34°C (94°F), with an average of 28°C (82°F). However, January is significantly wetter, receiving 253 mm (10.0 in) of rain over 25 days and a humidity level of 81%. For more details, you can check Surabaya weather in January.
August and February present quite contrasting weather conditions. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). The month is relatively dry with only 8 mm (0.3 in) of precipitation spread over just 2 days, and the humidity hovers around 74%. In comparison, February features a slightly higher minimum temperature of 24°C (76°F) and the same maximum of 33°C (92°F), with a consistent average of 28°C (82°F). However, February is marked by heavy rainfall, accumulating 290 mm (11.4 in) over 27 days, and a higher humidity level of 85%. For more details, visit Surabaya weather in February.
August and March in Surabaya present distinct weather profiles. Both months share the same average and maximum temperatures, peaking at 28°C (83°F) and 33°C (92°F) respectively. However, March is notably wetter, receiving an average of 320 mm (12.6 in) of precipitation over 29 days, compared to August’s much drier conditions with just 8 mm (0.3 in) of rainfall over only 2 days. The humidity level also rises in March, reaching 83% compared to August’s 74%, making March feel more muggy. For more detailed insights on March weather, visit Surabaya weather in March.
When comparing the weather in August and April, significant differences emerge. August typically experiences milder temperatures, with a minimum of 22°C (72°F) and an average of 28°C (83°F), while April boasts warmer conditions, with a minimum of 25°C (77°F) and an average of 29°C (84°F). Rainfall contrasts sharply, as August has only 8 mm (0.3 in) of precipitation over just 2 days, while April sees a substantial 175 mm (6.9 in) spread over 24 days, contributing to its higher humidity level of 80% compared to August's 74%. This makes April notably wetter and more humid than the drier, sunnier days of August. For a detailed look, you can check out Surabaya weather in April.
In comparing the weather of August and May, we notice that both months are characterized by warm temperatures, but with some distinct differences. In August, the minimum temperature is slightly lower at 22°C (72°F), while the average is around 28°C (83°F), peaking at 33°C (92°F). Additionally, August experiences minimal precipitation of only 8 mm (0.3 in) over just 2 days, and the humidity levels are at 74%. In contrast, May typically sees higher temperatures, with a minimum of 24°C (76°F), an average of 29°C (85°F), and a maximum of 34°C (93°F). However, it is also a much wetter month, receiving 69 mm (2.7 in) of rain across 12 days, alongside a higher humidity level of 81%. For a more detailed look at the weather conditions in May, you can check Surabaya weather in May.
When comparing the weather in August and June, we can observe some notable differences. August tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 33°C (92°F), while June has a slightly higher average, peaking at 34°C (93°F) with a minimum of 23°C (74°F). In terms of precipitation, August is much drier, receiving only about 8 mm (0.3 in) over just 2 days, compared to June's 51 mm (2.0 in) across 10 days, indicating a wetter month overall. Additionally, humidity levels are a bit lower in August at 74% versus June's higher humidity at 80%. For more details on June's weather, you can visit Surabaya weather in June.
In comparing the weather of August to that of July, both months share similar temperature ranges, with minimums of 22°C (72°F), average highs of 28°C (83°F), and peak temperatures reaching 33°C (92°F). However, August experiences slightly less precipitation, totaling 8 mm (0.3 in) over 2 days, compared to July's 13 mm (0.5 in) over the same number of days. Additionally, humidity levels are slightly lower in August at 74%, as opposed to July's 78%. For more detailed information on July weather, you can refer to Surabaya weather in July.
August and September in Surabaya exhibit some notable differences in weather patterns. While August enjoys relatively stable temperatures with a minimum of 22°C (72°F) and a maximum of 33°C (92°F), September sees a slight increase in the minimum temperature to 23°C (75°F) and a significant rise in the maximum to 36°C (96°F). Precipitation also varies, with August recording only 8 mm over 2 days, compared to September's 21 mm spread over 4 days, indicating a slightly wetter month. Humidity remains fairly consistent, with August at 74% and September decreasing slightly to 72%. For a more detailed look at the weather conditions, you can check Surabaya weather in September.
In comparing the weather patterns of August and October, one can observe notable differences in temperature and precipitation. August typically features a minimum temperature of 22°C (72°F) and an average of 28°C (83°F), with maximum highs reaching 33°C (92°F). The month is relatively dry, with only 8 mm (0.3 in) of precipitation over just 2 days, and humidity levels are at 74%.
In contrast, October sees a warmer minimum temperature of 25°C (77°F) and an average of 30°C (86°F), with maximums peaking at 35°C (96°F). However, it also brings significantly more rainfall, with precipitation totaling 80 mm (3.1 in) spread over 14 days, resulting in slightly lower humidity at 72%. For more specific details on the weather in October, you can visit Surabaya weather in October.
August and November present distinct weather patterns. In August, temperatures range from a mild 22°C (72°F) at night to a warm 33°C (92°F) during the day, with an average of 28°C (83°F). The humidity hovers around 74%, and the month sees only a small amount of precipitation, typically 8 mm (0.3 in) over just 2 days. In contrast, November experiences slightly warmer temperatures, with nighttime lows of 24°C (76°F) and daytime highs reaching up to 36°C (97°F), resulting in an average of 29°C (85°F). However, this month also brings significantly more rain, with a staggering 208 mm (8.2 in) falling over 26 days. Despite a minor drop in humidity to 73%, the contrast in precipitation and temperature makes November a much wetter and hotter month overall. For more detailed information, you can explore Surabaya weather in November.
In August, Surabaya experiences warm weather with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 33°C (92°F) and relatively low precipitation of just 8 mm (0.3 in) over 2 days. The humidity is quite high at 74%, contributing to the tropical feel of the month. In contrast, December sees slightly warmer nights with a minimum temperature of 24°C (76°F) and reaches a maximum of 36°C (97°F) during the day. However, this month is significantly wetter, with 302 mm (11.9 in) of rainfall spread over 29 days and a similar humidity level of 75%. For a more detailed look at December weather, you can visit Surabaya weather in December.
In August, Surabaya experiences a warm and relatively dry climate compared to the more humid and rainy months of the year. With temperatures peaking at a maximum of 33°C (92°F) and averaging around 28°C (83°F), the weather invites outdoor activities while maintaining a comfortable range for residents and visitors alike. This month also sees a drop in precipitation, with only 2 days of light rain, making it one of the drier periods in the annual cycle. The overall humidity remains moderate at 74%, contributing to a pleasant experience. For those interested in exploring the nuances of Surabaya's climate throughout the year, more detailed information can be found at Surabaya Climate.