April weather forecast
Mahawela, Sri Lanka

April, like March, is a hot spring month in Mahawela, Sri Lanka, with an average temperature ranging between max 30°C (86°F) and min 21.1°C (70°F).

Temperature

Mahawela records an average high-temperature of a still tropical 30°C (86°F) in April, closely mirroring the climate of the previous month. During the month of April, Mahawela anticipates a mean low-temperature of 21.1°C (70°F).

Heat index

For most parts of April, the heat index is estimated at a very hot 39°C (102.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in April in Mahawela, Sri Lanka, is 86%.

Rainfall

In Mahawela, Sri Lanka, in April, it is raining for 29.4 days, with typically 248mm (9.76") of accumulated precipitation. In Mahawela, during the entire year, the rain falls for 317.3 days and collects up to 2422mm (95.35") of precipitation.

Daylight

In Mahawela, the average length of the day in April is 12h and 16min.
On the first day of the month, sunrise is at 06:06 and sunset at 18:17. On the last day of April, in Mahawela, Sri Lanka, sunrise is at 05:54 and sunset at 18:16 +0530.

Sunshine

The month with the most sunshine is April, with an average of 8.4h of sunshine.

UV index

The months with the highest UV index are January through August, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in April translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.