April weather forecast
Hồng Ngự, Vietnam

April, like March, is another hot spring month in Hồngự, Vietnam, with an average temperature fluctuating between 26.8°C (80.2°F) and 34.8°C (94.6°F).

Temperature

April's climate shows a minor adjustment in average high-temperatures to a hot 34.8°C (94.6°F) from March's 35.3°C (95.5°F). In Hồngự, the average nighttime temperature during April is a moderately hot 26.8°C (80.2°F).

Heat index

For most parts of April, the heat index is appraised at a burning hot 47°C (116.6°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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, as evaporated sweat carries heat away from the body. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in April is 65%.

Rainfall

In Hồngự, in April, during 20.1 rainfall days, 106mm (4.17") of precipitation is typically accumulated. In Hồngự, during the entire year, the rain falls for 223 days and collects up to 986mm (38.82") of precipitation.

Daylight

In Hồngự, the average length of the day in April is 12h and 22min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:09. On the last day of April, sunrise is at 05:40 and sunset at 18:10 +07.

Sunshine

The months with the most sunshine are April and May, with an average of 10.1h of sunshine.

UV index

March and April, with an average maximum UV index of 8, are months with the highest UV index in Hồngự. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 8 in April converts into the following recommendations:
Never be careless. Unprotected skin and eyes can be harmed swiftly. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.