April weather forecastVinh, Vietnam

Weather in April

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

A gentle upsurge in temperatures occurs in Vinh as March gives way to April, with average highs shifting from a moderately hot 26.1°C (79°F) to a still warm 29.8°C (85.6°F). April nights are marked by an average temperature drop to a still moderately hot 23°C (73.4°F).

Heat index

During April, the heat index is computed to be a fiery hot 37°C (98.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

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

Rainfall

In Vinh, in April, during 13.1 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Vinh, Vietnam, during the entire year, the rain falls for 189.4 days and collects up to 825mm (32.48") of precipitation.

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

In Vinh, the average sunshine in April is 9.6h.

UV index

April through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 7 in April suggests the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.