June weather forecast
Metihakka, Sri Lanka

The first month of the summer, June, is still a tropical month in Metihakka, Sri Lanka, with an average temperature varying between 22.8°C (73°F) and 31°C (87.8°F).

Temperature

The arrival of June brings an average high-temperature of a still tropical 31°C (87.8°F), nearly identical to May's 31.8°C (89.2°F). In June, the average low-temperature records at a pleasant 22.8°C (73°F) during the nights.

Heat index

The heat index value during June is evaluated at a fiery hot 39°C (102.2°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in June is 74%.

Rainfall

June is the month with the least rainfall. Rain falls for 14.7 days and accumulates 29mm (1.14") of precipitation.

Daylight

With an average of 12h and 36min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 05:49 and sunset at 18:21. On the last day of June, sunrise is at 05:54 and sunset at 18:27 +0530.

Sunshine

June has the most sunshine of the year, with an average of 11h of sunshine.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in June, converts into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.