April weather forecast
Lý Dương, Vietnam

April, like March, in Lý Dương, Vietnam, is another warm spring month, with an average temperature varying between 21.3°C (70.3°F) and 29.3°C (84.7°F).

Temperature

In Lý Dương, the average high-temperature in April slightly rises, from a moderately hot 25.5°C (77.9°F) in March, to a still warm 29.3°C (84.7°F). In the month of April, the nighttime temperature dips to a steady average of 21.3°C (70.3°F).

Heat index

During April, the heat index is estimated at a fiery hot 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In April, the average relative humidity is 78%.

Rainfall

In Lý Dương, in April, it is raining for 14.8 days, with typically 21mm (0.83") of accumulated precipitation. In Lý Dương, during the entire year, the rain falls for 165.7 days and collects up to 431mm (16.97") of precipitation.

Daylight

In Lý Dương, the average length of the day in April is 12h and 38min.
On the first day of the month, sunrise is at 05:48 and sunset at 18:09. On the last day of April, sunrise is at 05:25 and sunset at 18:19 +07.

Sunshine

In April, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during April translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.