August Weather in Batam, Indonesia

Last updated: August 21, 2025

Batam, Indonesia, in August presents a tropical climate characterized by warm temperatures and high humidity. With maximum daily temperatures reaching 29°C (85°F) and an average of 28°C (82°F), visitors can expect a consistently comfortable environment, although nights may cool down to a minimum of 25°C (77°F). This month, Batam experiences significant rainfall, with a total precipitation of 181 mm (7.1 in) over approximately 22 days, making it one of the wetter months. The average humidity hovers around 85%, creating a lush atmosphere typical of this island paradise. Travelers should prepare for scattered showers while enjoying the lush scenery and vibrant culture that Batam has to offer.

August Temperature in Batam

In August, Batam, Indonesia, enjoys a warm tropical climate, with temperatures that reflect a delightful consistency throughout the month. The minimum temperature hovers around 25°C (77°F), while the average stays comfortably at 28°C (82°F), peaking at a maximum of 29°C (85°F). This slight dip from the previous months signals a subtle transition as the island experiences its dry season, creating a perfect backdrop for outdoor activities. The overall pleasant warmth combined with relatively stable temperatures makes August an ideal time for visitors to bask in Batam's natural beauty and vibrant culture. Whether you're lounging on the beach or exploring local sights, the weather is sure to enhance your experience, inviting you to savor every moment.

August Weather in Batam: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Batam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Batam, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081828282828281818180
Data source: Temperature data for Batam generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Batam

In August, Batam experiences a notable precipitation pattern, with 181 mm (7.1 in) of rainfall spread across 22 days. While this amount is slightly lower than the heavier rains of May and June, which boast over 250 mm, it still contributes to the region's characteristic humid climate. The rain in August serves as a precursor to the escalating deluge in the following months, particularly November, when rainfall peaks at an impressive 352 mm (13.9 in). This trend suggests that Batam's rainfall is gradually increasing as the year progresses, with August marking a transitional phase where the wet season gathers momentum, making it essential for visitors to anticipate occasional showers amidst the tropical warmth.

August Precipitation Trends in Batam

The chart displays monthly precipitation patterns in Batam, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Batam, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec20075137222256262210181186212352246
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Batam

In August, Batam, Indonesia, experiences a modest humidity level of 85%, continuing the island's trend of high moisture throughout the year. The summer months see humidity stabilizing around the 83%-86% range, with a slight dip in May, June, and July. However, as the year progresses towards its end, humidity levels trend upward again, peaking at 88% in January and 87% in December. This consistent humidity contributes to Batam’s lush tropical environment, making it a captivating locale for visitors seeking warmth and natural beauty.

August Average Humidity in Batam

This chart illustrates the average monthly humidity levels in Batam, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Batam is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%86%84%83%83%83%85%84%84%84%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Batam

In August, Batam, Indonesia experiences a UV Index of 14, continuing the trend of extreme exposure levels that dominate the region throughout the year. This month aligns with the UV Index values seen in September and October, indicating a persistent intensity that warrants caution for sun exposure. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to prioritize sun protection, as the sun's rays remain potent during these late summer months. As such, staying informed about local UV conditions is essential—explore more about the area's UV Index at Batam UV Index.

Maximum UV Index Levels in Batam for August

The chart shows the monthly maximum UV Index (UVI) for Batam in August, 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 August, the maximum UV index in Batam typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516151312121414141312
Data source: Batam August 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.

August Sunshine in Batam

August in Batam, Indonesia, shines brightly with an impressive 321 hours of sunlight, continuing a trend of vibrant summer days. Hot on the heels of July’s 319 hours, August marks a peak in the sunniest months, illustrating Batam's consistent warmth and radiance during mid-year. Following the summer months, the sunlight gradually tapers off into September's 299 hours, reminding us of the island's unique seasonal rhythm. This pattern showcases Batam’s inviting climate, perfect for those seeking the sun and the outdoor adventures it brings.

Monthly Sunshine Duration in Batam: August Highlighted

The August sunshine duration represents the total number of hours Batam experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec244h300h330h306h308h299h319h321h299h303h281h304h
Data source: Batam August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Batam During August

In Batam, Indonesia, the likelihood of enjoying sunny weather in August is notably lower at 11%, making it one of the cloudier months of the year. This trend follows the seasonal pattern observed throughout the earlier summer months, where sunshine chances fluctuate, peaking in September at 26%. As the year progresses, one can see a gradual rise in sunshine probability starting from January's dismal 7% to the more favorable conditions in the months leading to the end of the year. While August may not offer the best odds for clear skies, it still plays a part in the region's unique climate narrative.

Percentage of Sunny Days in August in Batam

The chart illustrates the percentage of sunny days in Batam throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Batam experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%22%23%25%17%19%20%12%26%14%10%10%
Data source: Batam August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Batam in August

In Batam, Indonesia, August brings with it the familiar rhythm of daylight that the island experiences year-round, with a consistent 12 hours of daylight each day. This unwavering duration, present from January to December, illustrates the region's equatorial location, where the sun rises and sets in a predictable pattern. As the month unfolds, residents and visitors alike can enjoy the inviting, sun-kissed days that allow for a plethora of outdoor activities. The stability in daylight duration throughout the year not only enhances the vibrant atmosphere of Batam but also makes planning adventures and leisurely pursuits effortless, no matter the time of year.

Average Daylight Hours in Batam for August

The chart illustrates the variation in daylight duration in Batam throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 2m12h 3m12h 5m12h 7m12h 9m12h 11m12h 10m12h 8m12h 6m12h 4m12h 2m12h 2m
Data source: Batam daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Batam

In Batam, Indonesia, the August winds demonstrate a gentle shift from the breezier months earlier in the year. With an average speed of 4.1 m/s (9 mph), August experiences a slight decrease compared to the stronger gusts of January and February, both exceeding 6.5 m/s. This decline is part of a broader trend towards calmer winds typically observed from April through September, where values hover around 2.7 to 4.5 m/s. Interestingly, as the year progresses, a subtle resurgence occurs in December, reminding us of the dynamic nature of Batam's coastal climate. The interplay of wind patterns not only shapes the weather but also influences the vibrant outdoor lifestyle enjoyed by residents and visitors alike.

Average August Wind Speed in Batam

The chart displays monthly wind speed patterns in Batam, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.54.32.72.93.34.54.1 m/s3.93.53.15.2
Data source: Batam August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Batam Compares to Other Months

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

In comparing the weather of August and January, we see that both months have similar high temperatures, with averages around 28°C (82°F) and maximums reaching up to 29°C (85°F). However, August tends to be slightly warmer overall, with a minimum temperature of 25°C (77°F), compared to January's minimum of 24°C (76°F). Rainfall is notable in both months, but January records slightly higher precipitation at 200 mm (7.9 in) over 18 days, compared to August's 181 mm (7.1 in) over 22 days. Additionally, humidity levels are a bit higher in January at 88%, compared to 85% in August. For more detailed information on the January weather, you can check Batam weather in January.

In August, the weather is characterized by slightly higher average temperatures and significantly more precipitation compared to February. While both months have minimum temperatures around 25°C (77°F) and maximum temperatures reaching 29°C (85°F), August sees an average temperature of 28°C (82°F) versus February's average of 27°C (80°F). Additionally, August experiences a substantial 181 mm (7.1 in) of rainfall over 22 days, compared to February's 74 mm (2.9 in) over merely 12 days. Interestingly, both months maintain a high humidity level of 85%. For more detailed weather conditions, you can check Batam weather in February.

In comparing the weather conditions of August and March, both months present warm temperatures with minimal variation; August features a minimum temperature of 25°C (77°F), an average of 28°C (82°F), and a maximum of 29°C (85°F), while March has similar readings with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). However, August experiences higher precipitation, totaling 181 mm (7.1 in) over 22 days, compared to March's 137 mm (5.4 in) across 17 days, indicating that August is generally wetter. Humidity levels are quite comparable as well, with March slightly higher at 86% compared to August's 85%. For more detailed insights on March weather in Batam, you can visit Batam weather in March.

When comparing the weather in August to that in April, there are some notable similarities and differences. Both months feature average temperatures around 28°C (82°F), with April having a slightly higher maximum temperature of 30°C (86°F) compared to August's maximum of 29°C (85°F). However, April tends to be wetter, receiving 222 mm (8.7 in) of precipitation over 25 days, whereas August has 181 mm (7.1 in) over 22 days. Humidity levels remain quite high in both months, with August at 85% and April at 84%. For a more detailed look at April weather, visit Batam weather in April.

When comparing the weather in August to that of May, both months exhibit warm temperatures, with August showing a slight variation. In August, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), while May is slightly warmer, with temperatures ranging from 25°C (78°F) to a maximum of 30°C (86°F). Precipitation levels are notably higher in May, totaling 256 mm (10.1 in) over 28 days, compared to August’s 181 mm (7.1 in) across 22 days, indicating that May is the wetter month. Humidity levels remain relatively high in both months, with August experiencing 85% humidity and May at 83%. For more detailed information about the weather patterns during May, you can refer to Batam weather in May.

In comparing the weather between June and August, both months exhibit a similar temperature range, with minimum temperatures around 25°C (77°F) and average temperatures of 28°C (82°F). However, August tends to be slightly cooler, with a maximum of 29°C (85°F), compared to June's peak of 30°C (86°F). Precipitation levels are notably different; June experiences higher rainfall at 262 mm (10.3 in) over 26 days, while August sees 181 mm (7.1 in) spread across 22 days. Despite this difference, both months remain humid, with levels around 85% in August and 83% in June. For more detailed information, you can check Batam weather in June.

In comparing the weather of August and July, both months exhibit similar temperature ranges, with average temperatures around 28°C (82°F) and minimums at about 25°C (77°F). However, August experiences slightly lower maximum temperatures, peaking at 29°C (85°F) compared to July's 30°C (86°F). Precipitation is notably different between the two, with August receiving 181 mm (7.1 in) over 22 days, while July sees a higher total of 210 mm (8.3 in) across 21 days. Humidity levels are also quite comparable, with August at 85% and July slightly lower at 83%. For more detailed information about July's weather, you can visit Batam weather in July.

In comparing the weather between August and September, we see notable similarities and slight variations. Both months experience a warm temperature range, with August having a minimum of 25°C (77°F) and an average of 28°C (82°F), while September maintains the same minimum but has a slightly lower average of 27°C (82°F). The maximum temperatures remain consistent at 29°C (85°F) for both months. Precipitation levels are marginally higher in September, with 186 mm (7.3 in) compared to August's 181 mm (7.1 in), and both months experience rain on about 22 days. Humidity is slightly lower in September at 84%, compared to August's 85%. For a more detailed overview, you can also check Batam weather in September.

In August, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum of 29°C (85°F). However, humidity is high at 85%, and the month experiences significant rainfall, totaling 181 mm (7.1 in) over 22 days. In contrast, October brings slightly warmer conditions with an average temperature of 27°C (82°F) and a maximum of 30°C (86°F), alongside increased precipitation of 212 mm (8.4 in) spread over 25 days. The humidity remains comparable at 84%, indicating a similar level of mugginess throughout both months. For more detailed insights into October's climate, check out Batam weather in October.

In August, the weather in Batam features warm temperatures with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 29°C (85°F). However, August is quite rainy, with 181 mm (7.1 in) of precipitation over 22 days and high humidity levels around 85%. In contrast, November sees slightly cooler average temperatures, with a low of 25°C (77°F) and a similar high of 29°C (85°F), but it experiences significantly increased rainfall, totaling 352 mm (13.9 in) across 27 days and slightly lower humidity at 84%. For more detailed information about the weather in November, you can visit Batam weather in November.

In comparing the weather between August and December, both months have similar temperature ranges, with minimums around 25°C (77°F) and maximums reaching 29°C (85°F). August sees an average temperature of 28°C (82°F), slightly warmer than December's average of 27°C (81°F). However, December experiences a higher amount of rainfall, with 246 mm (9.7 in) of precipitation over 24 days, compared to August’s 181 mm (7.1 in) over 22 days. Additionally, humidity levels are slightly elevated in December at 87%, compared to 85% in August. For more detailed information on December weather, you can explore Batam weather in December.

Compare Batam's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Batam

In August, Batam experiences a notable shift in weather as it tends to be one of the wetter months, with high humidity levels reaching around 85% and significant precipitation occurring on 22 days. The temperatures remain warm, averaging around 28°C (82°F), but the increased rainfall can make the atmosphere feel more humid compared to other months. This combination of warmth and moisture contributes to a tropical ambiance, perfect for those seeking to enjoy Batam’s lush landscapes. For a deeper dive into Batam's climate, visit Batam Climate.