June weather forecast
Nilaveli, Sri Lanka

The first month of the summer, June, is still a hot month in Nilaveli, Sri Lanka, with an average temperature ranging between min 24.8°C (76.6°F) and max 33.6°C (92.5°F).

Temperature

Transitioning from May to June, Nilaveli observes an average high-temperature of a still tropical 33.6°C (92.5°F), differing subtly from the previous month. In June, the temperature drops to an average of 24.8°C (76.6°F) at night.

Heat index

For most parts of June, the heat index is appraised at a scorching 44°C (111.2°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself 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. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The months with the lowest humidity in Nilaveli are June through September, with an average relative humidity of 67%.

Rainfall

The month with the least rainfall is June, when the rain falls for 7.8 days and typically collects 15mm (0.59") of precipitation.

Daylight

With an average of 12h and 36min of daylight, June has the longest days of the year in Nilaveli.
On the first day of the month, sunrise is at 05:45 and sunset at 18:21. On the last day of June, sunrise is at 05:50 and sunset at 18:27 +0530.

Sunshine

The month with the most sunshine in Nilaveli is June, with an average of 11.3h of sunshine.

UV index

February through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 in June translates into these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.