August weather forecast
Semarang, Indonesia

Weather in August

August, the last month of the winter in Semarang, is another warm month, with temperature in the range of an average low of 19.4°C (66.9°F) and an average high of 27°C (80.6°F).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 27°C (80.6°F). In Semarang, the average low-temperature is 19.4°C (66.9°F).

Heat index

The average heat index in August is computed to be a tropical 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like differences in body mass, height, and shape, clothing, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In August, the average relative humidity is 83%.

Rainfall

August is the month with the least rainfall in Semarang. Rain falls for 15.8 days and accumulates 43mm (1.69") of precipitation.

Sea temperature

With an average sea temperature of 28°C (82.4°F), August is the month with the coldest seawater.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in August in Semarang is 11h and 53min.
On the first day of August in Semarang, sunrise is at 05:50 and sunset at 17:39. On the last day of the month, sunrise is at 05:39 and sunset at 17:37 WIB.

Sunshine

With an average of 8.6h of sunshine, August has the most sunshine of the year in Semarang.

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. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in August in Semarang?

In August, in Semarang, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 19.4°C (66.9°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 30°C (86°F).

What is the average humidity in August in Semarang?

In August, the average relative humidity is 83%.

What is the driest month in Semarang?

August is the month with the least rainfall in Semarang, Indonesia. Rain falls for 15.8 days and accumulates 43mm (1.69") of precipitation.

How much does it rain in Semarang in August?

In August, in Semarang, Indonesia, the rain falls for 15.8 days. Throughout August, 43mm (1.69") of precipitation is accumulated.

When is the sea coldest in Semarang?

The month with the coldest seawater in Semarang, Indonesia, is August, with an average sea temperature of 28°C (82.4°F).

What is the sea water temperature in August in Semarang?

In Semarang, the average seawater temperature in August is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Semarang have in August?

The average day length in August is 11h and 53min.

When is the sunrise / sunset in August in Semarang?

In August, on the first day of the month, sunrise is at 05:50 and sunset at 17:39. On the last day of the month, sunrise is at 05:39 and sunset at 17:37 WIB.

What month has the most sunshine in Semarang?

The month with the most sunshine in Semarang, Indonesia, is August, with an average of 8.6h of sunshine.

How long on average sun shines in August in Semarang?

In August, the average sunshine duration in Semarang is 8.6h.

When is the highest UV index in Semarang?

January through December, with an average maximum UV index of 6, are months with the highest UV index in Semarang, Indonesia.

What is the month with the lowest UV index in Semarang?

January through December, with an average maximum UV index of 6, are months with the lowest UV index in Semarang.

What is the UV index intensity in August in Semarang?

In Semarang, Indonesia, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in August
Semarang, Indonesia

Average temperature in August - Semarang, Indonesia
  • Average high temperature in August: 27°C

The warmest month (with the highest average high temperature) is October (27.9°C).
The month with the lowest average high temperature is July (26.7°C).

  • Average low temperature in August: 19.4°C

The months with the highest average low temperature are January and December (21.6°C).
The coldest month (with the lowest average low temperature) is August (19.4°C).

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Average pressure in August
Semarang, Indonesia

Average pressure in August - Semarang, Indonesia
  • Average pressure in August: 1011.6mbar

The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

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Average wind speed in August
Semarang, Indonesia

Average wind speed in August - Semarang, Indonesia
  • Average wind speed in August: 5.9km/h

The windiest months (with the highest average wind speed) are January, July, August and September (5.9km/h).
The calmest month (with the lowest average wind speed) is April (3.7km/h).

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Average humidity in August
Semarang, Indonesia

Average humidity in August - Semarang, Indonesia
  • Average humidity in August: 83%

The months with the highest relative humidity are February, April and May (86%).
The month with the lowest relative humidity is September (81%).

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Average rainfall in August
Semarang, Indonesia

Average rainfall in August - Semarang, Indonesia
  • Average rainfall in August: 43mm

The wettest month (with the highest rainfall) is March (404mm).
The driest month (with the least rainfall) is August (43mm).

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Average rainfall days in August
Semarang, Indonesia

Average rainfall days in August - Semarang, Indonesia
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (15.8 days).

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Average sea temperature in August
Semarang, Indonesia

Average sea temperature in August - Semarang, Indonesia
  • Average sea temperature in August: 28°C

The best month for swimming (with the highest average sea temperature) is December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (28°C).

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Average daylight in August /
Average sunshine in August
Semarang, Indonesia

Average daylight in August / Average sunshine in August - Semarang, Indonesia
  • Average daylight in August: 11h and 53min

The month with the longest days is December (Average daylight: 12h and 31min).
The month with the shortest days is June (Average daylight: 11h and 43min).

  • Average sunshine in August: 8.6h

The month with the most sunshine is August (Average sunshine: 8.6h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in August
Semarang, Indonesia

Average sunshine days in August - Semarang, Indonesia
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is August (11.3 days).
The month with the least sunshine days is February (0.2 days).

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Average UV index in August
Semarang, Indonesia

Average UV index in August - Semarang, 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).

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Average cloud cover in August
Semarang, Indonesia

Average cloud cover in August - Semarang, Indonesia
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in August
Semarang, Indonesia

Average visibility in August - Semarang, Indonesia
  • Average visibility in August: 8km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).

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