April weather forecast
Haliyadda, Sri Lanka

April, the same as March, in Haliyadda, Sri Lanka, is another tropical spring month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 31.2°C (88.2°F).

Temperature

In April, Haliyadda's weather conditions record an average high-temperature of a still tropical 31.2°C (88.2°F), demonstrating little divergence from the preceding month. Throughout April, an average nighttime temperature of 20.8°C (69.4°F) is experienced.

Heat index

Throughout April, the heat index is calculated to be a blisteringly hot 41°C (105.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 particularly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

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

Rainfall

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

Daylight

The average length of the day in April in Haliyadda is 12h and 17min.
On the first day of April, sunrise is at 06:04 and sunset at 18:16. On the last day of the month, sunrise is at 05:52 and sunset at 18:15 +0530.

Sunshine

The average sunshine in April in Haliyadda 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 Haliyadda, Sri Lanka. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in April leads to these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.