June weather forecastKoja, Indonesia

Weather in June

The first month of the winter, June, is still a hot month in Koja, Indonesia, with temperature in the range of an average low of 25.7°C (78.3°F) and an average high of 30.8°C (87.4°F).

Temperature

As June takes its course, Koja's average high-temperature registers at a still hot 30.8°C (87.4°F), closely aligning with the preceding month. Koja experiences a steady low-temperature of 25.7°C (78.3°F) throughout June.

Heat index

The heat index in June is calculated to be a sweltering 38°C (100.4°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 are particularly meaningful for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In Koja, the average relative humidity in June is 73%.

Rainfall

In Koja, in June, it is raining for 18.5 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, in Koja, there are 264.8 rainfall days, and 1580mm (62.2") of precipitation is accumulated.

Daylight

June has the shortest days of the year in Koja, with an average of 11h and 48min of daylight.
On the first day of June, sunrise is at 05:56 and sunset at 17:43. On the last day of the month, sunrise is at 06:02 and sunset at 17:49 WIB.

Sunshine

The average sunshine in June in Koja is 8.3h.

UV index

The months with the highest UV index in Koja 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 Koja. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 7 during June translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.