June weather forecast
Jalthara, Sri Lanka

The first month of the summer, June, is also a moderately hot month in Jalthara, Sri Lanka, with an average temperature varying between 29.3°C (84.7°F) and 25.8°C (78.4°F).

Temperature

With the advent of June, Jalthara experiences an average high-temperature of a moderately hot 29.3°C (84.7°F), mirroring a close resemblance to the previous month. In Jalthara, June's low temperatures hover around a still warm 25.8°C (78.4°F), reflecting a minor decrease from the daytime highs.

Heat index

The heat index in June is estimated at a fiery hot 36°C (96.8°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The months with the highest humidity are June through August, with an average relative humidity of 83%.

Rainfall

June is the month with the most rainfall. Rain falls for 29.3 days and accumulates 341mm (13.43") of precipitation.

Daylight

June has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of June, sunrise is at 05:52 and sunset at 18:22. On the last day of the month, sunrise is at 05:58 and sunset at 18:29 +0530.

Sunshine

In Jalthara, Sri Lanka, the average sunshine in June is 8h.

UV index

The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In June, the UV index of 6 transforms into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.