August weather forecastSiantan, Indonesia
August
Weather in August
August, the last month of the summer in Siantan, is also a hot month, with an average temperature ranging between max 32.5°C (90.5°F) and min 23.8°C (74.8°F).Temperature
The average temperatures reach their apex in August, averaging 32.5°C (90.5°F) at the high end and 23.8°C (74.8°F) at the low end.Heat index
The heat index value during August is calculated to be a blazing hot 46°C (114.8°F). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In August, the average relative humidity is 80%.Rainfall
August is the month with the least rainfall. Rain falls for 19.1 days and accumulates 74mm (2.91") of precipitation.Daylight
In Siantan, the average length of the day in August is 12h and 7min.On the first day of the month, sunrise is at 05:45 and sunset at 17:52. On the last day of August, sunrise is at 05:39 and sunset at 17:46 WIB.
Sunshine
In August, the average sunshine is 8.5h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 7 suggests these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Siantan, Indonesia
- Average high temperature in August: 32.5°C
The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (30.6°C).
- Average low temperature in August: 23.8°C
The months with the highest average low temperature are May and October (24.3°C).
The coldest month (with the lowest average low temperature) is February (23.3°C).
Average pressure in August
Siantan, Indonesia
- Average pressure in August: 1009.5mbar
The months with the highest atmospheric pressure are February and March (1009.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in August
Siantan, Indonesia
- Average wind speed in August: 6.2km/h
The windiest month (with the highest average wind speed) is January (6.3km/h).
The calmest month (with the lowest average wind speed) is April (4.4km/h).
Average humidity in August
Siantan, Indonesia
- Average humidity in August: 80%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (79%).
Average rainfall in August
Siantan, Indonesia
- Average rainfall in August: 74mm
The wettest month (with the highest rainfall) is February (161mm).
The driest month (with the least rainfall) is August (74mm).
Average rainfall days in August
Siantan, Indonesia
- Average rainfall days in August: 19.1 days
The month with the highest number of rainy days is April (26.6 days).
The month with the least rainy days is July (18.7 days).
Average daylight in August /
Average sunshine in August
Siantan, Indonesia
- Average daylight in August: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is October (Average daylight: 12h and 6min).
- Average sunshine in August: 8h and 30min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in August
Siantan, Indonesia
- Average sunshine days in August: 10.2 days
The months with the most sunshine days are July and August (10.2 days).
The month with the least sunshine days is April (2.3 days).
Average UV index in August
Siantan, Indonesia
- Average UV index in August: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in August
Siantan, Indonesia
- Average cloud cover in August: 37
The month with the most cloud cover is December (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in August
Siantan, Indonesia
- Average visibility in August: 9km
The months with the highest visibility are May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April and December (8km).
