May weather forecast
Yakkalamulla, Sri Lanka

The last month of the spring, May, is another warm month in Yakkalamulla, Sri Lanka, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 26.7°C (80.1°F).

Temperature

With the arrival of May, Yakkalamulla's average high-temperature registers at a moderately hot 29.5°C (85.1°F), indicating a subtle variation from the previous month. Yakkalamulla observes a minimal variance in temperature, with a consistent average low of 26.7°C (80.1°F) during the nights of May.

Heat index

The average heat index in May is calculated to be a fiery hot 36°C (96.8°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In May, the average relative humidity is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 27.7 days and typically aggregates up to 302mm (11.89") of precipitation.

Daylight

In May, the average length of the day in Yakkalamulla is 12h and 24min.
On the first day of May in Yakkalamulla, sunrise is at 05:55 and sunset at 18:15. On the last day of the month, sunrise is at 05:52 and sunset at 18:19 +0530.

Sunshine

In May, the average sunshine in Yakkalamulla, Sri Lanka, is 9h.

UV index

The months with the lowest UV index are May and September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.