June weather forecast
Banjarmasin, Indonesia

June sustains the warmer and drier conditions experienced in May. Reduced relative humidity and rainfall levels mark a great deviation from the initial monsoon season experienced earlier in the year. The reduced cloud cover allows for more considerable sunshine hours, and the sea temperature remains conducive for water activities. The weather shift prevalent in this period facilitates summertime celebrations and outdoor festivities. Noteworthy in this month is the substantial dip in recorded rainfall to 89mm (3.5").

Temperature

The coldest months are January, June and July, with an average high-temperature of 30.8°C (87.4°F).

Heat index

The heat index value for June is evaluated at a blistering 41°C (105.8°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

April through June, with an average relative humidity of 83%, are the most humid months in Banjarmasin.

Rainfall

In June, in Banjarmasin, Indonesia, the rain falls for 14.3 days. Throughout June, 89mm (3.5") of precipitation is accumulated. In Banjarmasin, during the entire year, the rain falls for 249.1 days and collects up to 1596mm (62.83") of precipitation.

Sea temperature

In June, the average sea temperature is 29°C (84.2°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.

Daylight

The month with the shortest days in Banjarmasin, Indonesia, is June, with an average of 11h and 54min of daylight.
On the first day of June, sunrise is at 06:21 and sunset at 18:17. On the last day of the month, sunrise is at 06:27 and sunset at 18:23 WITA.

Sunshine

In June, the average sunshine in Banjarmasin is 8.4h.

UV index

The months with the highest UV index in Banjarmasin are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Banjarmasin are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays 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. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Alert! UV radiation becomes sharper due to reflections from sand and water.