April weather forecast
Wattegama, Sri Lanka

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

Temperature

The advent of April brings an average high-temperature of a still hot 31.2°C (88.2°F), almost identical to the preceding month. Nighttime temperatures in Wattegama consistently average an agreeable 20.8°C (69.4°F) during April.

Heat index

In April, the average heat index is evaluated at an extremely hot 41°C (105.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Wattegama, the average relative humidity in April is 79%.

Rainfall

In Wattegama, in April, during 27 rainfall days, 152mm (5.98") of precipitation is typically accumulated. Throughout the year, in Wattegama, Sri Lanka, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

In Wattegama, the average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:05 and sunset at 18:16. On the last day of April, sunrise is at 05:53 and sunset at 18:15 +0530.

Sunshine

In April, the average sunshine is 9.4h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during April, leads to the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.