April weather forecast
Weragantota, Sri Lanka

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

Temperature

As March turns into April, the average high-temperatures rest at a still hot 31.2°C (88.2°F), showing a minor variation from the prior month. During April nights, Weragantota witnesses a consistent average temperature of 20.8°C (69.4°F).

Heat index

During April, the heat index is calculated to be a blisteringly hot 41°C (105.8°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in April is 79%.

Rainfall

In April, in Weragantota, the rain falls for 27 days. Throughout April, 152mm (5.98") of precipitation is accumulated. Throughout the year, in Weragantota, Sri Lanka, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

In Weragantota, Sri Lanka, the average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:03 and sunset at 18:15. On the last day of April, sunrise is at 05:51 and sunset at 18:14 +0530.

Sunshine

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

UV index

The months with the highest UV index in Weragantota, Sri Lanka, are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.