April weather forecast
Yakkaduwa, Sri Lanka

April, like March, is another tropical spring month in Yakkaduwa, Sri Lanka, with an average temperature fluctuating between 32°C (89.6°F) and 26°C (78.8°F).

Temperature

April begins with an average high-temperature of a still tropical 32°C (89.6°F), reflecting close similarity to the preceding month. During April, the nighttime temperature averages of 26°C (78.8°F).

Heat index

During April, the heat index is evaluated at a scorching 43°C (109.4°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In April, the average relative humidity in Yakkaduwa is 77%.

Rainfall

In Yakkaduwa, Sri Lanka, in April, during 23.4 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Yakkaduwa, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

In April, the average length of the day in Yakkaduwa is 12h and 17min.
On the first day of April, 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

January through April, with an average of 9.2h of sunshine, are months with the most sunshine in Yakkaduwa, Sri Lanka.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Yakkaduwa. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 7 during April, leads to the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.