June weather forecast
Gresik, Indonesia

The first month of the winter, June, is also a hot month in Gresik, Indonesia, with an average temperature fluctuating between 24.7°C (76.5°F) and 31°C (87.8°F).

Temperature

Gresik signifies an average high-temperature of a still hot 31°C (87.8°F) in June, closely mirroring the 31.3°C (88.3°F) of May. During the nights in June, Gresik experiences a consistent average temperature of 24.7°C (76.5°F).

Heat index

The heat index in June is computed to be a fiery hot 39°C (102.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

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

Rainfall

In Gresik, in June, it is raining for 7.2 days, with typically 7mm (0.28") of accumulated precipitation. In Gresik, during the entire year, the rain falls for 159.4 days and collects up to 403mm (15.87") of precipitation.

Sea temperature

In Gresik, the average seawater temperature in June is 29°C (84.2°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

With an average of 11h and 42min of daylight, June has the shortest days of the year in Gresik.
On the first day of the month, sunrise is at 05:35 and sunset at 17:19. On the last day of June, in Gresik, sunrise is at 05:41 and sunset at 17:24 WIB.

Sunshine

In Gresik, the average sunshine in June is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 7 during June leads to these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! Sand and water reflections can up the Sun's UV exposure.