April weather forecast
Nattarampota, Sri Lanka

April, the same as March, in Nattarampota, Sri Lanka, is another hot spring month, with an average temperature fluctuating between 20.8°C (69.4°F) and 31.2°C (88.2°F).

Temperature

April's average high-temperature stands at a still tropical 31.2°C (88.2°F), showing little deviation from March's 31.5°C (88.7°F). Nattarampota's average low-temperature is measured at a pleasant 20.8°C (69.4°F) during April.

Heat index

April's mean heat index is appraised at a blisteringly hot 41°C (105.8°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Nattarampota, the average relative humidity in April is 79%.

Rainfall

In Nattarampota, in April, during 27 rainfall days, 152mm (5.98") of precipitation is typically accumulated. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

In Nattarampota, Sri Lanka, the average length of the day in April is 12h and 17min.
On the first day of April in Nattarampota, sunrise is at 06:05 and sunset at 18:16. On the last day of the month, sunrise is at 05:53 and sunset at 18:15 +0530.

Sunshine

In April, the average sunshine in Nattarampota is 9.4h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Nattarampota. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 6 transforms into these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.