April weather forecast
Bandarawatta, Sri Lanka

April, the same as March, in Bandarawatta, Sri Lanka, is another hot spring month, with an average temperature fluctuating between 32°C (89.6°F) and 26°C (78.8°F).

Temperature

Bandarawatta's weather, upon April's arrival, documents an average high-temperature of a still hot 32°C (89.6°F), nearly identical to the prior month. Bandarawatta, during the month of April, experiences an average low-temperature of 26°C (78.8°F).

Heat index

April's average heat index is computed to be a scorching 43°C (109.4°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 are quite important for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

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

Rainfall

In Bandarawatta, in April, during 23.4 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Bandarawatta, during the entire year, the rain falls for 265.8 days and collects up to 1783mm (70.2") of precipitation.

Daylight

In April, the average length of the day in Bandarawatta is 12h and 17min.
On the first day of the month, sunrise is at 06:07 and sunset at 18:19. On the last day of April, sunrise is at 05:55 and sunset at 18:18 +0530.

Sunshine

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

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. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in April suggests the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.