May weather forecastDandugama, Sri Lanka

Weather in May

The last month of the spring, May, is also a hot month in Dandugama, Sri Lanka, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 26.4°C (79.5°F).

Temperature

May's weather displays an average high-temperature of a still hot 30.8°C (87.4°F), slightly varied from April's 32°C (89.6°F). Dandugama's nighttime average temperature in May drops marginally from the daytime highs, settling at a moderately hot 26.4°C (79.5°F).

Heat index

The heat index value for May is estimated at a scorching 40°C (104°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in May is 80%.

Rainfall

In Dandugama, Sri Lanka, in May, it is raining for 26.3 days, with typically 204mm (8.03") of accumulated precipitation. In Dandugama, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

The average length of the day in May is 12h and 27min.
On the first day of May in Dandugama, sunrise is at 05:56 and sunset at 18:18. On the last day of the month, sunrise is at 05:52 and sunset at 18:23 +0530.

Sunshine

In Dandugama, Sri Lanka, the average sunshine in May is 8.8h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index in Dandugama. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.