June weather forecast
Puttalam, Sri Lanka

In June, Puttalam experiences a subtly cool shift in temperature compared to May, but the high humidity remains constant. While the city undergoes regular rainfall, the cloud cover assurance results in slightly fewer sunshine hours per day. Given the tropical location of the city, the UV index remains consistently high throughout the year, optimizing sun protection importance. Noteworthy during June is the marked increase in wind speed, now hitting a peak of 30.4km/h (18.9mph).

Temperature

The arrival of June brings an average high-temperature of a still hot 30.4°C (86.7°F), subtly diverging from May's 31.3°C (88.3°F). Puttalam's June nights exhibit a subtle drop in temperature, averaging at a moderately hot 27.2°C (81°F), closely aligned with the daytime highs.

Heat index

For June, the heat index is computed to be a very hot 38°C (100.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

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

Rainfall

In Puttalam, in June, during 20.6 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Puttalam, Sri Lanka, during the entire year, the rain falls for 221.7 days and collects up to 1071mm (42.17") of precipitation.

Daylight

The month with the longest days is June, with an average of 12h and 36min of daylight.
On the first day of June, sunrise is at 05:51 and sunset at 18:25. On the last day of the month, sunrise is at 05:56 and sunset at 18:31 +0530.

Sunshine

With an average of 9.8h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index in Puttalam are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Puttalam, Sri Lanka, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In June, the maximum UV index of 7 transforms into these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.