IndonesiaAverage weather for Sumatra in August
It's hot in August in Sumatra with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 23°C and 24°C.
Start of August
The month of August starts in Sumatra with hot temps, averaging around 33°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps stay steady at around 33°C, with nights around 24°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in Sumatra is around 32°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In August, there is an average of 203 mm of precipitation, spread over 22 days. The wind speed is around 2 Bft, mostly coming from the South.
Sumatra in August |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 30°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
31°C | -5°C | |
 Total precipitation |
203 mm | 79 mm | |
| Rainy days |
22 days | 13 days | |
July
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Sumatra?
Looking for sun? August isn’t a good month to be in Sumatra. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 36°C in 2019, Sumatra reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 25°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 26°C.
Check out the climate of Sumatra for all months and discover the best travel time
Curious about the weather in other parts of Indonesia? Check out the climate and weather for spots like Bali, Java, Gili Air, or explore other destinations in Indonesia.
Daily Temperature in August in Sumatra
This chart shows the average daily high and low temperatures in August for Sumatra, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Sumatra
The chart below shows the average daily precipitation in August for Sumatra, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 22 days of precipitation in Sumatra.
Daily UV index in August in Sumatra
This chart shows the average daily UV index in August in Sumatra, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Sumatra over the years
This chart shows the average temperature in August in Sumatra, measured in degrees Celsius, over the past few years.
Total precipitation in August in Sumatra over the years
This chart shows the average precipitation in August in Sumatra, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Sumatra
Click on any day in August to get detailed info about the usual weather on that day in Sumatra. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Sumatra
Have you been to Sumatra in August?
Share your weather experience in August in Sumatra.
Average weather in Sumatra by month
Click on a month below to see detailed weather info for Sumatra. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
