April weather forecast
Borupana, Sri Lanka

April, the same as March, in Borupana, Sri Lanka, is another hot spring month, with an average temperature ranging between max 31.4°C (88.5°F) and min 26°C (78.8°F).

Temperature

During March and April, Borupana experiences its highest average temperatures, peaking at 31.4°C (88.5°F).

Heat index

The heat index for April is calculated to be a blisteringly hot 41°C (105.8°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in April in Borupana, Sri Lanka, is 78%.

Rainfall

In Borupana, in April, during 24.4 rainfall days, 99mm (3.9") of precipitation is typically accumulated. Throughout the year, in Borupana, there are 272.3 rainfall days, and 2039mm (80.28") of precipitation is accumulated.

Daylight

In Borupana, the average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:19. On the last day of April, in Borupana, sunrise is at 05:56 and sunset at 18:18 +0530.

Sunshine

The average sunshine in April is 9h.

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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in April leads to these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.