April weather forecastMedan, Indonesia

Weather in April

Moving from March to April, Medan experiences a slight shift in its weather conditions. The temperature has a slight increase, but it is largely unnoticeable to the untrained senses. Ample daylight ensures enough time to capture the scenic beauty of the city. Rainfall in April sufficiently cools the surrounding, a relief from the escalating temperatures. Despite the increase in rain, the weather is warm adhering to the typical tropical climate Medan is known for.

Temperature

Transitioning into April, Medan experiences an average high-temperature of a still tropical 33°C (91.4°F), marking a minor shift from the preceding month. During the month of April, Medan anticipates a mean low-temperature of 24.2°C (75.6°F).

Heat index

April's average heat index is computed to be a burning hot 46°C (114.8°F). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Medan, the average relative humidity in April is 76%.

Rainfall

In Medan, during April, the rain falls for 24.4 days and regularly aggregates up to 71mm (2.8") of precipitation. In Medan, during the entire year, the rain falls for 298 days and collects up to 1172mm (46.14") of precipitation.

Daylight

In April, the average length of the day in Medan, Indonesia, is 12h and 12min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:33. On the last day of April, sunrise is at 06:15 and sunset at 18:29 WIB.

Sunshine

The average sunshine in April in Medan is 8.8h.

UV index

The months with the highest UV index in Medan, Indonesia, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Medan. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In April, the maximum UV index of 7 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.