April weather forecast
Batticaloa, Sri Lanka

April weather in Batticaloa offers the warmth of late summer temperatures peaking at 31.8°C (89.2°F), the highest in the first quarter of the year. This time offers an ideal break from the rains, making it great for beach lounging. It's a continuation of the drier patterns from March, encouraging outdoor exploration. Notably, the UV index remains steady, advising on necessary precautions during sun exposure. The wind speed slightly increases, providing a refreshing balance to the heat.

Temperature

April's climate in Batticaloa shows a minor adjustment in average high-temperatures to a still hot 31.8°C (89.2°F) from March's 30.1°C (86.2°F). Nighttime temperatures consistently average a warm 25.9°C (78.6°F) during April.

Heat index

The heat index value during April is estimated at an extremely hot 42°C (107.6°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in April in Batticaloa is 75%.

Rainfall

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

Daylight

In April, the average length of the day in Batticaloa is 12h and 18min.
On the first day of April, sunrise is at 06:01 and sunset at 18:13. On the last day of the month, sunrise is at 05:48 and sunset at 18:12 +0530.

Sunshine

The average sunshine in April is 11.2h.

UV index

January through October, with an average maximum UV index of 7, are months with the highest UV index in Batticaloa, Sri Lanka. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In April, the maximum UV index of 7 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.