April weather forecast
Thụy Phương, Vietnam

April in Thụy Phương, Vietnam, is a tropical spring month, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 21.8°C (71.2°F).

Temperature

The arrival of April signals a slight increase in the average high-temperature, moving from a moderately hot 26.8°C (80.2°F) in March to a tropical 30.8°C (87.4°F). During the month of April, the temperature generally drops to a low average of 21.8°C (71.2°F).

Heat index

For April, the heat index is estimated at a very hot 39°C (102.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to babies and toddlers. 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.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Thụy Phương, the average relative humidity in April is 77%.

Rainfall

In Thụy Phương, in April, it is raining for 14.8 days, with typically 32mm (1.26") of accumulated precipitation. In Thụy Phương, during the entire year, the rain falls for 181.2 days and collects up to 595mm (23.43") of precipitation.

Daylight

The average length of the day in April is 12h and 38min.
On the first day of April, sunrise is at 05:49 and sunset at 18:11. On the last day of the month, sunrise is at 05:26 and sunset at 18:21 +07.

Sunshine

In April, the average sunshine is 7.2h.

UV index

In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 6 in April, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.