April weather forecast
Periyakulam, India

April, like March, is a hot pre-monsoon summer month in Periyakulam, India, with an average temperature varying between 23°C (73.4°F) and 34.8°C (94.6°F).

Temperature

Periyakulam's April weather, with an average high temperature of 34.8°C (94.6°F) and an average low temperature of 23°C (73.4°F), tends to be the warmest of the year.

Heat index

In April, the average heat index is calculated to be an extremely hot 42°C (107.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

March and April, with an average relative humidity of 55%, are the least humid months in Periyakulam.

Rainfall

In Periyakulam, in April, during 15 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 177.9 rainfall days, and 910mm (35.83") of precipitation is accumulated.

Daylight

In Periyakulam, the average length of the day in April is 12h and 21min.
On the first day of the month, sunrise is at 6:16 am and sunset at 6:30 pm. On the last day of April, in Periyakulam, India, sunrise is at 6:02 am and sunset at 6:31 pm IST.

Sunshine

The average sunshine in April is 9.3h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during April leads to these instructions:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.