July weather forecast
Jakarta, Indonesia

The cityscape of Jakarta, Indonesia, under a dramatic evening skyline
The cityscape of Jakarta, Indonesia, under a dramatic evening skyline

Weather in July

July, the same as June, in Jakarta, Indonesia, is another hot winter month, with average temperature ranging between min 24.8°C (76.6°F) and max 30.6°C (87.1°F).

Temperature

In July, the average high-temperature is essentially the same as in June - a still hot 30.6°C (87.1°F). In Jakarta, the average low-temperature is 24.8°C (76.6°F).

Heat index

The average heat index in July is calculated to be a sweltering 37.1°C (98.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. 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 particularly important for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Jakarta, the average relative humidity is 72%.

Rainfall

In July, in Jakarta, the rain falls for 16.8 days. Throughout July, 47mm (1.85") of precipitation is accumulated. In Jakarta, during the entire year, the rain falls for 252 days and collects up to 1150mm (45.28") of precipitation.

Sea temperature

In Jakarta, the average seawater temperature in July is 29°C (84.2°F).
Note: 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.

Daylight

May through July, with an average of 11.8h of daylight, are months with the shortest days.

Sunshine

July has the least sunshine of the year, with an average of 7.3h of sunshine.

UV index

Months with the highest UV index in Jakarta 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 in Jakarta, Indonesia. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in July in Jakarta?

The average high-temperature, in July, in Jakarta, is 30.6°C (87.1°F), while the average low-temperature is 24.8°C (76.6°F). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 37.1°C (98.8°F).

What is the average humidity in July in Jakarta?

The average relative humidity in July in Jakarta, Indonesia, is 72%.

How many days does it rain in July in Jakarta?

In Jakarta, in July, during 16.8 rainfall days, 47mm (1.85") of precipitation is typically accumulated.

How warm is the water in July in Jakarta?

In July, the average sea temperature in Jakarta, Indonesia, is 29°C (84.2°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.

What is the month with the shortest days in Jakarta?

Months with the shortest days in Jakarta, Indonesia, are May through July, with an average of 11.8h of daylight.

What is the average length of the day in July in Jakarta?

In Jakarta, the average length of the day in July is 11.8h.

What is the month with the least sunshine in Jakarta?

With an average of 7.3h of sunshine, July has the least sunshine of the year.

How many hours of sunshine does Jakarta have in July?

The average sunshine in July in Jakarta, Indonesia, is 7.3h.

What are the months with the highest UV index in Jakarta?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jakarta.

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

Months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in July in Jakarta?

The average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in July
Jakarta, Indonesia

Average temperature in July - Jakarta, Indonesia
  • Average high temperature in July: 30.6°C

The warmest month (with the highest average high temperature) is October (31.8°C).
Months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in July: 24.8°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 (24.7°C).

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Average pressure in July
Jakarta, Indonesia

Average pressure in July - Jakarta, Indonesia
  • Average pressure in July: 1010.6mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

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Average wind speed in July
Jakarta, Indonesia

Average wind speed in July - Jakarta, Indonesia
  • Average wind speed in July: 9km/h

The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).

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Average humidity in July
Jakarta, Indonesia

Average humidity in July - Jakarta, Indonesia
  • Average humidity in July: 72%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in July
Jakarta, Indonesia

Average rainfall in July - Jakarta, Indonesia
  • Average rainfall in July: 47mm

The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is August (35mm).

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Average rainfall days in July
Jakarta, Indonesia

Average rainfall days in July - Jakarta, Indonesia
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (11.6 days).

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Average sea temperature in July
Jakarta, Indonesia

Average sea temperature in July - Jakarta, Indonesia
  • Average sea temperature in July: 29°C

The best months for swimming (with the highest average sea temperature) are April and May (30°C).
The coldest months (with the lowest average sea temperature) are January and February (28°C).

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Average daylight in July /
Average sunshine in July
Jakarta, Indonesia

Average daylight in July / Average sunshine in July - Jakarta, Indonesia
  • Average daylight in July: 11.8h

The month with the longest days is December (Average daylight: 12.5h).
Months with the shortest days are May, June and July (Average daylight: 11.8h).

  • Average sunshine in July: 7.3h

The month with the most sunshine is March (Average sunshine: 10.2h).
The month with the least sunshine is July (Average sunshine: 7.3h).

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Average sunshine days in July
Jakarta, Indonesia

Average sunshine days in July - Jakarta, Indonesia
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is August (16 days).
The month with the least sunshine days is February (2.6 days).

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Average UV index in July
Jakarta, Indonesia

Average UV index in July - Jakarta, Indonesia
  • Average UV index in July: 7

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in July
Jakarta, Indonesia

Average cloud cover in July - Jakarta, Indonesia
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in July
Jakarta, Indonesia

Average visibility in July - Jakarta, Indonesia
  • Average visibility in July: 10km

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

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