April weather forecast
Kohuwala, Sri Lanka

April, the same as March, in Kohuwala, Sri Lanka, is a hot spring month, with temperature in the range of an average low of 26.1°C (79°F) and an average high of 31.4°C (88.5°F).

Temperature

The warmest period is April, when temperatures fluctuate between an average high of 31.4°C (88.5°F) and a low of 26.1°C (79°F).

Heat index

During April, the heat index is computed to be a blisteringly hot 41°C (105.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In Kohuwala, the average relative humidity in April is 78%.

Rainfall

In Kohuwala, during April, the rain falls for 25.8 days and regularly aggregates up to 139mm (5.47") of precipitation. In Kohuwala, during the entire year, the rain falls for 286 days and collects up to 2254mm (88.74") of precipitation.

Daylight

The average length of the day in April in Kohuwala, Sri Lanka, is 12h and 17min.
On the first day of April in Kohuwala, sunrise is at 06:08 and sunset at 18:19. On the last day of the month, sunrise is at 05:56 and sunset at 18:18 +0530.

Sunshine

In Kohuwala, the average sunshine in April is 9h.

UV index

January through April, June, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Kohuwala. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 7 suggests this advice:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.