Weather in Riau for August 2026
Expect cooler weather in first days of August 2026 in Riau with the forecast suggesting a temperature of 29.8 °C, lower than the historical average.
In general, the average temperature in Riau at the beginning of August is 30.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.1 °C by the end of August.
Riau experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 232.7 mm.
Is August a good time to visit Riau? check out the best time to travel to Riau page.
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Riau Weather August
Temperatures trend during August in Riau
August weather in Riau day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 31° /27° | 3.8 mm | 8 | |
| 2 Aug. | Patchy rain possible | 31° /27° | 4 mm | 8 | |
| 3 Aug. | Patchy rain possible | 31° /27° | 1.3 mm | 8 | |
| 4 Aug. | Patchy rain possible | 29° /25° | 13.8 mm | 7 | |
| 5 Aug. | Patchy rain possible | 29° /26° | 8.9 mm | 7 | |
| 6 Aug. | Patchy rain possible | 30° /25° | 4.7 mm | 7 | |
| 7 Aug. | Patchy rain possible | 30° /26° | 3.5 mm | 7 | |
| 8 Aug. | Light rain shower | 30° /25° | 4.6 mm | 7 | |
| 9 Aug. | Light rain shower | 30° /26° | 6.3 mm | 7 | |
| 10 Aug. |  Patchy light drizzle | 30° /26° | 3.6 mm | 7 | |
| 11 Aug. |  Patchy light rain with thunder | 29° /25° | 11.3 mm | 7 | |
| 12 Aug. | Patchy light rain with thunder | 29° /25° | 7.8 mm | 6 | |
| 13 Aug. | Patchy light drizzle | 28° /25° | 21.6 mm | 6 | |
| 14 Aug. | Patchy light rain with thunder | 30° /25° | 11.5 mm | 7 | |
| 15 Aug. | Patchy rain possible | 29° /25° | 9 mm | 7 | |
| 16 Aug. | Patchy light drizzle | 29° /26° | 8.9 mm | 7 | |
| 17 Aug. | Patchy light rain with thunder | 30° /26° | 3.5 mm | 7 | |
| 18 Aug. | Light rain shower | 30° /26° | 7.4 mm | 7 | |
| 19 Aug. | Patchy light rain with thunder | 29° /25° | 10.5 mm | 7 | |
| 20 Aug. | Patchy rain possible | 30° /26° | 9.7 mm | 7 | |
| 21 Aug. | Light rain shower | 27° /24° | 13.7 mm | 6 | |
| 22 Aug. | Light rain shower | 29° /25° | 4.2 mm | 6 | |
| 23 Aug. | Light rain shower | 29° /25° | 6.5 mm | 6 | |
| 24 Aug. | Light rain shower | 29° /25° | 8.3 mm | 6 | |
| 25 Aug. | Light rain shower | 29° /26° | 2.3 mm | 6 | |
| 26 Aug. | Patchy rain possible | 29° /25° | 5 mm | 6 | |
| 27 Aug. | Patchy rain possible | 30° /26° | 3.8 mm | 7 | |
| 28 Aug. | Light rain shower | 28° /25° | 10.2 mm | 6 | |
| 29 Aug. | Light rain shower | 30° /26° | 2 mm | 7 | |
| 30 Aug. | Light rain shower | 28° /25° | 9.4 mm | 6 | |
| 31 Aug. | Patchy rain possible | 30° /26° | 5.5 mm | 7 | |
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Riau weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 30°/27° | 29°/26° | 29°/26° |
| Rainfall | 160 mm | 233 mm | 202 mm |
| Wind | 17.6 km/h | 17.4 km/h | 16.2 km/h |
| Humidity | 74% | 74% | 75% |
| Rainy days | 30 days | 31 days | 30 days |
| Dry days | 1 days | 0 days | 0 days |
Planning a trip to Riau? Discover the best time to visit
Riau in August - FAQ
What are the expected maximum and minimum temperatures in Riau during August?
How much rainfall should be expected in Riau during August?
What are the typical wind conditions in Riau during August?
August rainfall patterns in Riau
UV exposure in Riau during August
What to pack to Riau in August?
Warm & sunny · highs around 29 °C, frequent showers
As you prepare for your trip to Riau in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Riau, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Riau?Get accurate weather forecasts for Riau, located at latitude 1.149 and longitude 104.025. Stay updated with localized weather information tailored for Riau.