August weather forecastPematangsiantar, Indonesia
August
Weather in August
August, the last month of the summer in Pematangsiantar, is a tropical month, with temperature in the range of an average high of 30°C (86°F) and an average low of 20.7°C (69.3°F).Temperature
August's onset sees an average high-temperature of a hot 30°C (86°F), exhibiting a slight fluctuation from the previous month. An average nighttime temperature of 20.7°C (69.3°F) is noted during the month of August.Heat index
For August, the heat index is evaluated at a fiery hot 38°C (100.4°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
June through August, with an average relative humidity of 82%, are the least humid months.Rainfall
In August, the rain falls for 26 days. Throughout August, 157mm (6.18") of precipitation is accumulated. Throughout the year, there are 317.9 rainfall days, and 2279mm (89.72") of precipitation is accumulated.Daylight
The average length of the day in August is 12h and 13min.On the first day of August in Pematangsiantar, sunrise is at 06:22 and sunset at 18:37. On the last day of the month, sunrise is at 06:18 and sunset at 18:29 WIB.
Sunshine
The months with the most sunshine are March and August, with an average of 8.3h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Pematangsiantar. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Pematangsiantar, Indonesia
- Average high temperature in August: 30°C
The warmest month (with the highest average high temperature) is June (30.1°C).
The month with the lowest average high temperature is December (27.7°C).
- Average low temperature in August: 20.7°C
The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is January (20°C).
Average pressure in August
Pematangsiantar, Indonesia
- Average pressure in August: 1010mbar
The month with the highest atmospheric pressure is January (1010.8mbar).
The month with the lowest atmospheric pressure is May (1009.6mbar).
Average wind speed in August
Pematangsiantar, Indonesia
- Average wind speed in August: 4.5km/h
The windiest month (with the highest average wind speed) is February (4.8km/h).
The calmest month (with the lowest average wind speed) is November (4km/h).
Average humidity in August
Pematangsiantar, Indonesia
- Average humidity in August: 82%
The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are June, July and August (82%).
Average rainfall in August
Pematangsiantar, Indonesia
- Average rainfall in August: 157mm
The wettest month (with the highest rainfall) is April (237mm).
The driest month (with the least rainfall) is February (127mm).
Average rainfall days in August
Pematangsiantar, Indonesia
- Average rainfall days in August: 26 days
The month with the highest number of rainy days is December (29.3 days).
The month with the least rainy days is June (22.6 days).
Average daylight in August /
Average sunshine in August
Pematangsiantar, Indonesia
- Average daylight in August: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in August: 8h and 18min
The months with the most sunshine are March and August (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).
Average sunshine days in August
Pematangsiantar, Indonesia
- Average sunshine days in August: 3.8 days
The month with the most sunshine days is June (6.1 days).
The month with the least sunshine days is December (0.8 days).
Average UV index in August
Pematangsiantar, Indonesia
- Average UV index in August: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in August
Pematangsiantar, Indonesia
- Average cloud cover in August: 39
The month with the most cloud cover is December (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 39).
Average visibility in August
Pematangsiantar, Indonesia
- Average visibility in August: 8km
The months with the highest visibility are March, June, July, August, September, October and November (8km).
The months with the lowest visibility are January, February, April, May and December (7km).
