Temperatures in August
It's hot in August in Sumatra with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 33°C. At night, you can expect temperatures between 24°C and 26°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Sumatra in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Sumatra with hot temperatures, averaging around 33°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-August
By mid-August, the average daytime temperature stays the same at 33°C, with nights close to 26°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of August
By the end of August, the average daytime temperature in Sumatra will be around 32°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in August
In August, there is an average of 530 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the South.
Across the whole month, the average precipitation chance is 57% per day. Though that seems frequent, the weather’s variable. There are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Sumatra. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Sumatra in August |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 22°C | |
 High Temp |
33°C | 24°C | |
| Low Temp |
30°C | 19°C | |
 Total Precipitation |
530 mm | 60 mm | |
| Rainy Days |
18 days | 10 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?
After some sun? Then August isn’t the best time to be in Sumatra. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Sumatra runs from June to November.
Temperature records for Sumatra in August
With 39°C, Sumatra hit the highest temperature in the last 10 years in August 2015. The lowest daytime temperature in this month was 26°C in 2017. The extreme night temperatures ranged from a low of 19°C to a high of 29°C.
Check out the climate of Sumatra for all months and discover the best travel time
Daily Temperature in August in Sumatra
This chart shows the average daily temperatures, both day and night, for each day in August in Sumatra, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Sumatra
The chart below shows the average daily precipitation in August for Sumatra, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 18 days of rain 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 years.
Total Precipitation in August in Sumatra Over the Years
This chart shows the average precipitation in August in Sumatra, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Sumatra
Click on a specific day in August for detailed info on the typical 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.
