June weather forecast and climate
Jakarta, Indonesia

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

Weather in June

June, the first month of the winter, in Jakarta, is still a hot month, with average temperature varying between 25.7°C (78.3°F) and 30.8°C (87.4°F).

Temperature

In Jakarta, the average high-temperature in June is practically the same as in May - a still hot 30.8°C (87.4°F). The average low-temperature, in Jakarta, is 25.7°C (78.3°F).

Heat index

In June, the average heat index is calculated to be a sweltering 37.7°C (99.9°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in June is 72%.

Rainfall

In Jakarta, during 18.8 rainfall days, 67mm (2.64") of precipitation is typically 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, Indonesia, in June, the average water temperature 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

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

Sunshine

The average sunshine in June is 8.2h.

UV index

Months with the highest UV index in Jakarta are January through December, with an average maximum UV index of 7. 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 risk from unsafe exposure to the UV radiation for the average person.
Note: In June, the average maximum UV index of 7 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. 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 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 June in Jakarta?

In Jakarta, Indonesia, in June, the average high-temperature is 30.8°C (87.4°F), and the average low-temperature is 25.7°C (78.3°F). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 37.7°C (99.9°F).

What is the average humidity in June in Jakarta?

In June, the average relative humidity in Jakarta, Indonesia, is 72%.

How many days does it rain in June in Jakarta?

In Jakarta, during June, the rain falls for 18.8 days and regularly aggregates up to 67mm (2.64") of precipitation.

How warm is the water in June in Jakarta?

In Jakarta, Indonesia, the average seawater temperature in June is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Jakarta?

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

How many hours of daylight does Jakarta have in June?

In June, the average length of the day is 11.8h.

How long on average sun shines in June in Jakarta?

The average sunshine in June is 8.2h.

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

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

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

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

What is the UV index intensity in June in Jakarta?

The average daily maximum UV index in June in Jakarta is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in June
Jakarta, Indonesia

Average temperature in June - Jakarta, Indonesia
  • Average high temperature in June: 30.8°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 June: 25.7°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 June
Jakarta, Indonesia

Average pressure in June - Jakarta, Indonesia
  • Average pressure in June: 1010.2mbar

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 June
Jakarta, Indonesia

Average wind speed in June - Jakarta, Indonesia
  • Average wind speed in June: 8.9km/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 June
Jakarta, Indonesia

Average humidity in June - Jakarta, Indonesia
  • Average humidity in June: 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 June
Jakarta, Indonesia

Average rainfall in June - Jakarta, Indonesia
  • Average rainfall in June: 67mm

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 June
Jakarta, Indonesia

Average rainfall days in June - Jakarta, Indonesia
  • Average rainfall days in June: 18.8 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 June
Jakarta, Indonesia

Average sea temperature in June - Jakarta, Indonesia
  • Average sea temperature in June: 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 June /
Average sunshine in June
Jakarta, Indonesia

Average daylight in June / Average sunshine in June - Jakarta, Indonesia
  • Average daylight in June: 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 June: 8.2h

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 June
Jakarta, Indonesia

Average sunshine days in June - Jakarta, Indonesia
  • Average sunshine days in June: 8.4 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 June
Jakarta, Indonesia

Average UV index in June - Jakarta, Indonesia
  • Average UV index in June: 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 June
Jakarta, Indonesia

Average cloud cover in June - Jakarta, Indonesia
  • Average cloud cover in June: 27

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 June
Jakarta, Indonesia

Average visibility in June - Jakarta, Indonesia
  • Average visibility in June: 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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