June weather forecast
Santhiveli, Sri Lanka

June, the first month of the summer in Santhiveli, is also a hot month, with an average temperature ranging between max 33°C (91.4°F) and min 26.3°C (79.3°F).

Temperature

June, recording an average high temperature of 33°C (91.4°F) and a low temperature of 26.3°C (79.3°F), is Santhiveli's warmest month.

Heat index

For June, the heat index is calculated to be a blisteringly hot 43°C (109.4°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

June and July, with an average relative humidity of 68%, are the least humid months.

Rainfall

The month with the least rainfall in Santhiveli is June, when the rain falls for 15.3 days and typically collects 30mm (1.18") of precipitation.

Daylight

June has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:45 and sunset at 18:18. On the last day of June, sunrise is at 05:50 and sunset at 18:24 +0530.

Sunshine

June has the most sunshine of the year, with an average of 11.8h of sunshine.

UV index

The months with the highest UV index in Santhiveli are January through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In June, the UV index of 7 transforms into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.