April weather forecast
Aswalapitiya, Sri Lanka

April, the same as March, in Aswalapitiya, Sri Lanka, is a hot spring month, with an average temperature ranging between min 20.8°C (69.4°F) and max 31.2°C (88.2°F).

Temperature

Aswalapitiya records an average high-temperature of a still tropical 31.2°C (88.2°F) in April, closely mirroring the climate of the previous month. In the month of April, the average temperature dips to a pleasant 20.8°C (69.4°F) during the night.

Heat index

During April, the heat index is computed to be a blistering 41°C (105.8°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in April in Aswalapitiya is 79%.

Rainfall

In Aswalapitiya, in April, during 27 rainfall days, 152mm (5.98") of precipitation is typically accumulated. In Aswalapitiya, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

The average length of the day in April in Aswalapitiya, Sri Lanka, is 12h and 17min.
On the first day of April in Aswalapitiya, sunrise is at 06:05 and sunset at 18:16. On the last day of the month, sunrise is at 05:52 and sunset at 18:15 +0530.

Sunshine

The average sunshine in April is 9.4h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.