April weather forecast
Muwagama, Sri Lanka

April, like March, is a hot spring month in Muwagama, Sri Lanka, with an average temperature varying between 70°F and 86°F.

Temperature

The arrival of April brings an average high-temperature of a still hot 86°F, nearly identical to March's 88°F. In Muwagama, an average temperature of 70°F is noted during April nights.

Heat index

For most parts of April, the heat index is estimated at a sweltering 102.2°F. Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In Muwagama, the average relative humidity in April is 86%.

Rainfall

In Muwagama, during April, the rain falls for 29.4 days and regularly aggregates up to 9.76" of precipitation. Throughout the year, in Muwagama, there are 317.3 rainfall days, and 95.35" of precipitation is accumulated.

Daylight

In Muwagama, 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 Muwagama, Sri Lanka, sunrise is at 05:54 and sunset at 18:16 +0530.

Sunshine

With an average of 8.4h of sunshine, April has the most sunshine of the year.

UV index

January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index in Muwagama. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 6 suggests this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.