April weather forecast
Vellaveli, Sri Lanka

April, the same as March, in Vellaveli, Sri Lanka, is another tropical spring month, with an average temperature varying between 25.9°C (78.6°F) and 31.8°C (89.2°F).

Temperature

As Vellaveli steps into April, the average high-temperature holds at a still tropical 31.8°C (89.2°F), hinting at a minor fluctuation from the prior month. An average nighttime temperature of 25.9°C (78.6°F) is observed in Vellaveli during April.

Heat index

For April, the heat index is calculated to be a scorching 42°C (107.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Vellaveli, in April, it is raining for 19.1 days, with typically 57mm (2.24") of accumulated precipitation. Throughout the year, in Vellaveli, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

The average length of the day in April in Vellaveli, Sri Lanka, is 12h and 17min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:12. On the last day of April, sunrise is at 05:48 and sunset at 18:11 +0530.

Sunshine

In Vellaveli, the average sunshine in April is 11.2h.

UV index

The months with the highest UV index in Vellaveli are January through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 during April translates into the following guidance:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.