April weather forecast
Dandugama, Sri Lanka

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

Temperature

In April, the average high-temperature registers at a still tropical 32°C (89.6°F), nearly identical to March's 32.1°C (89.8°F). Dandugama experiences an average nighttime temperature of 26°C (78.8°F) in the month of April.

Heat index

Throughout April, the heat index is estimated at a scorching 43°C (109.4°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. 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', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In April, the rain falls for 23.4 days. Throughout April, 112mm (4.41") of precipitation is accumulated. In Dandugama, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

The average length of the day in April is 12h and 17min.
On the first day of April, sunrise is at 06:08 and sunset at 18:20. 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 Dandugama.

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 Dandugama. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 7 in April interprets into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.