April weather forecast
Anuradhapura, Sri Lanka

Elevated temperatures in Anuradhapura become truly noticeable in April, reaching a zenith in this month. April brings about a substantial shift in weather patterns, with rainfall escalating drastically to 104mm (4.09"), more than double the rain experienced in the month of March. The characteristic tropical climate of the city gets accentuated with the heat and precipitation bound together. The surge in rainfall is a harbinger of times ahead as the year progresses. As April exits, the heat continues its reign throughout May with rainfall slightly tapering off.

Temperature

During March and April, Anuradhapura experiences its highest average temperatures, peaking at 34.3°C (93.7°F).

Heat index

During April, the heat index is evaluated at a blazing hot 51°C (123.8°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in April in Anuradhapura is 75%.

Rainfall

In Anuradhapura, Sri Lanka, during April, the rain falls for 24.2 days and regularly aggregates up to 104mm (4.09") of precipitation. Throughout the year, in Anuradhapura, there are 199.1 rainfall days, and 893mm (35.16") of precipitation is accumulated.

Daylight

In April, the average length of the day in Anuradhapura is 12h and 19min.
On the first day of April, sunrise is at 06:05 and sunset at 18:18. On the last day of the month, sunrise is at 05:53 and sunset at 18:18 +0530.

Sunshine

The average sunshine in April is 9.7h.

UV index

February through September, with an average maximum UV index of 7, are months with the highest UV index in Anuradhapura. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 7 in April translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.