August weather forecast
Sidoarjo, Indonesia

August

Weather in August

The last month of the winter, August, is also a hot month in Sidoarjo, Indonesia, with an average temperature varying between 30.8°C (87.4°F) and 24.2°C (75.6°F).

Temperature

July's transformation into August witnesses an average high-temperature of a still tropical 30.8°C (87.4°F), noting a minor change from the preceding month. During August, the average low-temperature is recorded at a warm 24.2°C (75.6°F).

Heat index

August's mean heat index is calculated to be a very hot 36°C (96.8°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In August, the average relative humidity is 68%.

Rainfall

August is the month with the least rainfall. Rain falls for 3.7 days and accumulates 4mm (0.16") of precipitation.

Daylight

In August, the average length of the day is 11h and 53min.
On the first day of the month, sunrise is at 05:41 and sunset at 17:29. On the last day of August, sunrise is at 05:30 and sunset at 17:28 WIB.

Sunshine

The months with the most sunshine are August through October, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 7 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot does it get in August?
In August, in Sidoarjo, the average high-temperature is 30.8°C (87.4°F), and the average low-temperature is 24.2°C (75.6°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 36°C (96.8°F).
What is the average humidity in August?
In August, the average relative humidity is 68%.
What is the driest month?
August is the month with the least rainfall. Rain falls for 3.7 days and accumulates 4mm (0.16") of precipitation.
How much does it rain in August?
In Sidoarjo, in August, during 3.7 rainfall days, 4mm (0.16") of precipitation is typically accumulated.
What is the average length of the day in August?
The average day length in August is 11h and 53min.
When are sunrise and sunset in August?
On the first day of August, sunrise is at 05:41 and sunset at 17:29. On the last day of the month, sunrise is at 05:30 and sunset at 17:28 WIB.
What are the months with the most sunshine?
August through October, with an average of 9.9h of sunshine, are months with the most sunshine.
How many hours of sunshine does Sidoarjo have in August?
In Sidoarjo, Indonesia, the average sunshine duration in August is 9.9h.
What is the month with the highest UV index?
The months with the highest UV index in Sidoarjo are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index in Sidoarjo?
The months with the lowest UV index in Sidoarjo are January through December, with an average maximum UV index of 7.
How high is the UV index in August?
In August, the average daily maximum UV index in Sidoarjo is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Sidoarjo, Indonesia
Average temperature in August
Sidoarjo, Indonesia
  • Average high temperature in August: 30.8°C

The warmest month (with the highest average high temperature) is October (32.9°C).
The months with the lowest average high temperature are January, February and July (30.1°C).

  • Average low temperature in August: 24.2°C

The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24.2°C).

Average pressure in August - Sidoarjo, Indonesia
Average pressure in August
Sidoarjo, Indonesia
  • Average pressure in August: 1011.4mbar

The month with the highest atmospheric pressure is August (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).

Average wind speed in August - Sidoarjo, Indonesia
Average wind speed in August
Sidoarjo, Indonesia
  • Average wind speed in August: 9.9km/h

The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is April (6.3km/h).

Average humidity in August - Sidoarjo, Indonesia
Average humidity in August
Sidoarjo, Indonesia
  • Average humidity in August: 68%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is October (63%).

Average rainfall in August - Sidoarjo, Indonesia
Average rainfall in August
Sidoarjo, Indonesia
  • Average rainfall in August: 4mm

The wettest month (with the highest rainfall) is February (179mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in August - Sidoarjo, Indonesia
Average rainfall days in August
Sidoarjo, Indonesia
  • Average rainfall days in August: 3.7 days

The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (3.7 days).

Average daylight in August / Average sunshine in August - Sidoarjo, Indonesia
Average daylight in August /
Average sunshine in August
Sidoarjo, Indonesia
  • Average daylight in August: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are August, September and October (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 8h and 6min).

Average sunshine days in August - Sidoarjo, Indonesia
Average sunshine days in August
Sidoarjo, Indonesia
  • Average sunshine days in August: 26 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is February (2.8 days).

Average UV index in August - Sidoarjo, Indonesia
Average UV index in August
Sidoarjo, 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 - Sidoarjo, Indonesia
Average cloud cover in August
Sidoarjo, Indonesia
  • Average cloud cover in August: 11

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in August - Sidoarjo, Indonesia
Average visibility in August
Sidoarjo, Indonesia
  • Average visibility in August: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).

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