April weather forecast
Thanh Am, Vietnam

April, like March, in Thanh Am, Vietnam, is a moderately hot spring month, with an average temperature fluctuating between 29.8°C (85.6°F) and 23°C (73.4°F).

Temperature

The shift from March to April sees a slight increase in the average high-temperature, transitioning from 26.1°C (79°F) to a still warm 29.8°C (85.6°F). Thanh Am cools down to an average low-temperature of 23°C (73.4°F) throughout the month of April.

Heat index

April's average heat index is computed 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.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In April, the average relative humidity is 78%.

Rainfall

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

Daylight

In April, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:11. On the last day of April, sunrise is at 05:26 and sunset at 18:20 +07.

Sunshine

In Thanh Am, 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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 in April translates into these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. 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. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.