June weather forecast
Kuliyapitiya, Sri Lanka

June carries forward the wet condition from May but reigns it in slightly to a still considerable 231mm (9.09") of rainfall. The temperatures are slightly lower than those in May, but the difference is insignificant to warrant any major alterations in one’s itinerary. While the high humidity might deter prolonged outdoor activities, it also breathes life into the lush landscapes that stand as hallmarks of Sri Lanka. Along with overcast skies and regular rain showers, June presents an authentic tropical monsoon experience.

Temperature

As Kuliyapitiya steps into June, the average high-temperature is measured at a warm 29.6°C (85.3°F), displaying minor differences from May's 30.8°C (87.4°F). Kuliyapitiya's nighttime temperatures in June display a slight drop from daytime highs, averaging to a still moderately hot 25.9°C (78.6°F).

Heat index

In June, the average heat index is estimated at a very hot 37°C (98.6°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

June through August, with an average relative humidity of 82%, are the most humid months.

Rainfall

June is the month with the most rainfall. Rain falls for 27.6 days and accumulates 231mm (9.09") 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 05:51 and sunset at 18:23. On the last day of June, sunrise is at 05:57 and sunset at 18:30 +0530.

Sunshine

In Kuliyapitiya, Sri Lanka, the average sunshine in June is 8.2h.

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 average person.
Note: The maximum UV index of 6 during June leads to these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended.