April weather forecast
Vinh, Vietnam

The mid-spring season in Vinh witnesses a further rise in temperature, hinting at the upcoming summer heat. Compared to the mild climate of March, April exhibits a dramatic increase in temperatures between 26.1°C (79°F) to 29.8°C (85.6°F) and the skies remaining predominantly clear. Additionally, this month marks a continual increase in daylight hours, presenting the longest days of the year shortly. The breezy winds of March give way to gentle winds in April, offering comfortable weather conditions.

Temperature

Vinh observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's 26.1°C (79°F) to a still warm 29.8°C (85.6°F). During April nights, Vinh records an average temperature of 23°C (73.4°F).

Heat index

The average heat index in April is calculated to be a fiery hot 37°C (98.6°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. 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 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Vinh, the average relative humidity in April is 78%.

Rainfall

In Vinh, in April, it is raining for 13.1 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, in Vinh, there are 189.4 rainfall days, and 825mm (32.48") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 34min.
On the first day of April, sunrise is at 05:51 and sunset at 18:11. On the last day of the month, sunrise is at 05:30 and sunset at 18:18 +07.

Sunshine

The average sunshine in April is 9.6h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in April transforms into this advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.