June weather forecast
Panwila, Sri Lanka

The first month of the summer, June, is still a warm month in Panwila, Sri Lanka, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 29.3°C (84.7°F).

Temperature

June brings an average high-temperature of a moderately hot 29.3°C (84.7°F), showing a slight difference from May's 30.1°C (86.2°F). Nighttime temperatures consistently average a pleasant 21.8°C (71.2°F) during June.

Heat index

Throughout June, the heat index is appraised at a sweltering 35°C (95°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

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

Rainfall

In June, the rain falls for 25.1 days. Throughout June, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

June has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:49 and sunset at 18:20. 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 10.8h of sunshine.

UV index

The months with the highest UV index in Panwila, Sri Lanka, are January through September, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
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. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.