June weather forecast
Mahaiyawa, Sri Lanka

The first month of the summer, June, is also a moderately hot month in Mahaiyawa, Sri Lanka, with an average temperature varying between 21.8°C (71.2°F) and 29.3°C (84.7°F).

Temperature

On the advent of June, Mahaiyawa's average high-temperature exhibits a minor adjustment to a warm 29.3°C (84.7°F) from May's 30.1°C (86.2°F). Mahaiyawa observes an average low-temperature of 21.8°C (71.2°F) during June nights.

Heat index

In June, the heat index is estimated at a fiery hot 35°C (95°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Mahaiyawa, the average relative humidity in June is 77%.

Rainfall

In Mahaiyawa, in June, it is raining for 25.1 days, with typically 57mm (2.24") of accumulated precipitation. In Mahaiyawa, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

The month with the longest days is June, with an average of 12h and 30min of daylight.
On the first day of June in Mahaiyawa, Sri Lanka, sunrise is at 05:49 and sunset at 18:21. On the last day of the month, sunrise is at 05:54 and sunset at 18:27 +0530.

Sunshine

With an average of 10.8h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during June translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.