April weather forecast
Lucala, Angola

April, like March, in Lucala, Angola, is a moderately hot autumn month, with an average temperature varying between 20.1°C (68.2°F) and 29.3°C (84.7°F).

Temperature

Lucala's average high-temperature in April is a still warm 29.3°C (84.7°F), marking an insignificant difference from the 29.6°C (85.3°F) of March. Lucala's April nights cool down to an average low-temperature of 20.1°C (68.2°F).

Heat index

The heat index value for April is appraised at a sweltering 37°C (98.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. 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. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

April and December, with an average relative humidity of 86%, are the most humid months in Lucala.

Rainfall

The month with the most rainfall is April, when the rain falls for 26.9 days and typically aggregates up to 219mm (8.62") of precipitation.

Daylight

In April, the average length of the day is 11h and 53min.
On the first day of the month, sunrise is at 06:07 and sunset at 18:07. On the last day of April, sunrise is at 06:07 and sunset at 17:54 WAT.

Sunshine

April has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in April leads to these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.